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Roller Bearings（Number of Raceway Ring Rows：Double Row）
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19 itemsMặt hàng
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One End Cone Type Tapered Roller Bearings
NSK
Designed so the conical vertex of the raceway surfaces of the inner and outer rings and rollers converge at one point on the centerline of the bearing. Products on this page: HR model
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 65 ～ 300 120 ～ 460 Cone Roller Radial 56 ～ 150 With Outer Ring Double Row Steel Standard With V-Shaped Groove Class 0 Steel Metric System From: 4,900,874 VND Special Price Days to Ship: Số ngày giao hàng: 6 Day(s) or more 
6 Day(s) or more
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Drawn Cup Needle Roller Bearing, Outer Ring
NTN
A bearing in which an outer ring is formed from a thin steel plate by precision drawing, the raceway surface is surface-hardened, and then a needle-shaped roller and a retainer are assembled.[Features]・ It has the smallest cross-sectional height of any bearing with an outer ring, enabling space reduction and cost savings.・ Compact design is possible with the shaft directly as the raceway surface without using the inner ring.・ The outer ring has a structure in which the needle roller and the retainer are not separated.・ Retaining rings are not required for fixing in the axial direction by simply press-fitting into a rigid housing with an appropriate fit.[Applications]・ Heavy load, high speed, gearbox for automobiles, etc.・ Steel equipment, mining / construction machinery, machine tools.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 15 ～ 45 21 ～ 55 Needle Roller Radial 22 ～ 40 With Outer Ring Double Row Steel Standard Flat - Steel Metric System From: 119,845 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
Same day or more
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NSK
This bearing includes an outer ring with a spherical raceway as well as an inner ring with two rows of rolling elements, and aligns itself according to the axial tilt, allowing it to bear large loads. Products on this page: 600 series
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 20 ～ 300 52 ～ 500 Self-Aligning Roller Radial 15 ～ 160 With Outer Ring Double Row Steel / Stainless Steel Standard With V-Shaped Groove / With U-Shaped Groove Class 0 Steel / Stainless Steel Metric System From: 814,419 VND Days to Ship: Số ngày giao hàng: Same day or more
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NSK
Cylindrical roller bearings are suitable for applications involving high-speed rotation because the friction between the rolling elements and the flange of the track wheel is small. Products on this page: N type
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 25 ～ 280 47 ～ 420 Cylindrical Roller / Cone Roller Radial 16 ～ 122 With Outer Ring Double Row Steel Standard Flat / With Retaining Ring Grooves Class 0 Steel Metric System From: 1,247,300 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
4 Day(s) or more
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Solid Type Needle Roller Bearing
NTN
A solid needle roller bearing.[Features]·The solid (machined) outer race enables high rigidity.·The bearing accuracy can also be increased, making it ideal for applications that require high speed, high load, and high rotational accuracy.·In addition to the type with inner race, the type without inner race is also available in which the shaft can be used directly as a raceway instead of inner race.[Application]・ Heavy load, high speed, gearbox for automobiles, etc.・ Steel equipment, mining / construction machinery, machine tools.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 14 ～ 105 22 ～ 125 Needle Roller Radial 20 ～ 63 With Outer Ring Double Row Steel Standard Flat Class 0 Steel Metric System From: 251,407 VND Special Price Days to Ship: Số ngày giao hàng: 4 Day(s) or more
4 Day(s) or more
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Shell Type Needle Roller Bearing
IKO
Light weight bearings with large load ratings. They employ a shell type outer ring made from a thin special steel plate which is accurately drawn, carburized and quenched, thus providing the lowest sectional height among the needle roller bearings.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 38 ～ 70 48 ～ 82 Needle Roller Radial 45 ～ 50 With Outer Ring Double Row Steel Standard / Abrasion Resistant / For High Speed Flat - Steel Metric System From: 537,130 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
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Machined Type Needle Roller Bearing Without Inner Ring
IKO
[Features]· If the inscribed circle diameter, Fw, of TAF bearings is 26 mm or less, there is no oil hole.· All others have an oil groove and one oil hole in the outer ring.· Not filled with grease.· Perform proper lubrication for use
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 40 ～ 110 52 ～ 130 Needle Roller Radial 36 ～ 63 With Outer Ring Double Row Steel Standard / Abrasion Resistant / For High Speed With Semicircular Groove - Steel Metric System From: 953,429 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
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IKO
[Features]· Has superior allowable load and durability than a ball bearing because line runs tangential to the raceway.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 10 ～ 140 22 ～ 190 Cylindrical Roller Radial / Thrust 13 ～ 67 With Outer Ring Double Row Steel Standard / Abrasion Resistant / Dust Resistant / For High Speed Flat / With Semicircular Groove / With Retaining Ring Grooves - Steel Metric System From: 647,348 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
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Machined Type Needle Roller Bearing
IKO
Bearing with a low sectional height and large load rating. The outer ring has high rigidity and can easily be used even for light alloy housings.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 12 ～ 110 24 ～ 130 Needle Roller Radial 20 ～ 63 With Outer Ring Double Row Steel Standard / Abrasion Resistant / For High Speed With Semicircular Groove - Steel Metric System From: 765,718 VND Days to Ship: Số ngày giao hàng: 6 Day(s) or more
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NTN
A basic component of needle roller bearing, in which needle rollers are assembled with retainer to prevent separation.[Features]·A shaft or housing can be used directly as a raceway without an inner race or outer race, realizing the compact and lightweight design.·The retainer allows needle rollers to be guided more accurately than full complement rollers, enabling high-speed rotation.·Rigidity and load capacity are large for the space.[Application]·Ideal for heavy duty, high speeds, automobile gearboxes, etc.·Ideal for steel equipment, mining/construction machinery, and machine tools.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 25 ～ 68 30 ～ 74 Needle Roller Radial 26 ～ 35 W/o Outer Ring Double Row Steel Standard - Class 0 Steel Metric System From: 111,170 VND Days to Ship: Số ngày giao hàng: Same day or more
Same day or more
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Self-Aligning Roller Bearing (Double Row)
NTN
A roller bearing with an inner race featuring a two-row raceway groove, an outer race featuring a spherical raceway, and barrel-shaped rolling elements.[Features]·The raceway center of the outer race coincides with the center of the bearing. Has a self-aligning property.·It is capable to operate despite a tilting of the inner race and outer race caused by installation error to the housing or deflection of the shaft.[Application]·Areas where it is difficult to center the shaft and housing.·Such as transmission shaft and other areas prone to shaft deflection.·Where large axial loads can be applied.·Steel equipment, paper manufacturing machines, mining machines, etc.·Ideal for applications subject to radial loads, axial loads in both directions, and their combined loads.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 25 ～ 400 52 ～ 600 Self-Aligning Roller Radial 18 ～ 192 - Double Row Steel Standard Flat - Steel Metric System From: 1,233,431 VND Days to Ship: Số ngày giao hàng: Same day or more
Same day or more
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Combined Type Needle Roller Bearing
IKO
[Features]· Combined type needle roller bearings can be subjected to radial load and axial load simultaneously.[Uses]· Widely used for machine tools, industrial machines, etc.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 7 ～ 70 19 ～ 90 Complex Shape Roller Radial / Thrust 18 ～ 40 With Outer Ring Double Row Steel Standard / Abrasion Resistant / For High Speed With Semicircular Groove - Steel Metric System From: 737,667 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
4 Day(s) or more
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Needle Roller Bearing with Separable Cage
IKO
[Features]· "N" is added to the end of the identification number for bearings with embedded synthetic resin cages.· RNAF does not have an oil hole.· RNAFW has an oil groove and one oil hole in the outer ring.· Not filled with grease.· Perform proper lubrication for use
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 15 ～ 75 23 ～ 95 Needle Roller Radial 20 ～ 60 With Outer Ring Double Row Steel Standard / Abrasion Resistant / For High Speed With Semicircular Groove - Steel Metric System From: 385,879 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
7 Day(s) or more
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Self-Aligning Roller Bearing (0 Grade)
JTEKT KOYO
Self-aligning roller bearings feature a large load rating capacity. Suitable for low and medium speed applications which involve heavy and impact loading.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 25 ～ 480 52 ～ 700 Self-Aligning Roller Radial 18 ～ 208 - Double Row Steel Standard Flat Class 0 Steel Metric System From: 1,495,531 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
4 Day(s) or more
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Combined Needle Roller Bearing
JTEKT KOYO
Bearing that integrates a radial bearing (needle roller bearing) with a thrust bearing (ball bearing or roller bearing).
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 12 21 Complex Shape Roller Radial / Thrust 23 - Double Row Steel Standard Flat Class 0 Steel Metric System From: 656,256 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
4 Day(s) or more
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Double-Row Cylindrical Roller Bearing
NTN
A roller bearing with a simple shape in which the cylindrical rollers and the raceway are in linear contact.[Features]·The friction between the rolling elements and the flange of bearing ring is small, making it ideal for high-speed rotation.·Thin wall yet capable to bear high loads.·Able to receive a larger radial load than a single-row bearing.[Application]·Ideal for spindles of machine tools that require thin-wall bearings.·Ideal for rolls of rolling machines, printing cylinders of printing machines, etc.
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 25 ～ 110 47 ～ 170 Cylindrical Roller Radial / Thrust 16 ～ 45 - Double Row Steel Standard Flat Class 4 / Class 5 Steel Metric System From: 2,539,649 VND Days to Ship: Số ngày giao hàng: 6 Day(s) or more
6 Day(s) or more
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Track Roller Bearing (Contact Type)-NPP Series
JESA
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 8 ～ 20 24 ～ 52 Angular Contact Ball Radial - - Double Row - - - - - - From: 379,690 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
4 Day(s) or more
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Double Row Tapered Roller Bearing
NTN
Designed so the tapered vertex of the raceway surfaces of the inner and outer rings and rollers converge at one point on the centerline of the bearing. Products on this page: 600 series
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 40 ～ 120 90 ～ 200 Cone Roller Radial / Thrust 49 ～ 83 With Outer Ring Double Row Steel Standard Flat - Steel Metric System From: 4,194,368 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
7 Day(s) or more
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Track Roller Bearing Non-Contact Type-KDD Series
JESA
Inner Dia. d(Ø) Outer Dia. D(Ø) Raceway Ring Shape Load Direction Width B(mm) Outer Ring Number of Raceway Ring Rows Inner/Outer Ring Material Specifications Outer Ring Type Precision (JIS) Rolling Element Material Size Standards 12 42 Angular Contact Ball Radial - - Double Row - - - - - - From: 4,790,345 VND Days to Ship: Số ngày giao hàng: 5 Day(s)
5 Day(s)
| BrandNhãn hiệu |
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| Product SeriesDòng sản phẩm |
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| Inner Dia. d(Ø) |
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| Width B(mm) |
| Outer Ring |
| Number of Raceway Ring Rows |
| Inner/Outer Ring Material |
| Specifications |
| Outer Ring Type |
| Precision (JIS) |
| Rolling Element Material |
| Size Standards |
You can add up to 6 items per a category to the compare list.     | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.        | You can add up to 6 items per a category to the compare list.      | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.        | You can add up to 6 items per a category to the compare list.     | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list. | |
| BrandNhãn hiệu | NSK | NTN | NSK | NSK | NTN | IKO | IKO | IKO | IKO | NTN | NTN | IKO | IKO | JTEKT KOYO | JTEKT KOYO | NTN | JESA | NTN | JESA |
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| From | 4,900,874 VND Special Price On Sale Till 31/03/2025 | 119,845 VND Special Price On Sale Till 31/03/2025 | 814,419 VND | 1,247,300 VND | 251,407 VND Special Price On Sale Till 31/03/2025 | 537,130 VND | 953,429 VND | 647,348 VND | 765,718 VND | 111,170 VND | 1,233,431 VND | 737,667 VND | 385,879 VND | 1,495,531 VND | 656,256 VND | 2,539,649 VND | 379,690 VND | 4,194,368 VND | 4,790,345 VND |
| Days to ShipSố ngày giao hàng | 6 Day(s) or more | Same day or more | Same day or more | 4 Day(s) or more | 4 Day(s) or more | 7 Day(s) or more | 7 Day(s) or more | 4 Day(s) or more | 6 Day(s) or more | Same day or more | Same day or more | 4 Day(s) or more | 7 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 6 Day(s) or more | 4 Day(s) or more | 7 Day(s) or more | 5 Day(s) |
| Inner Dia. d(Ø) | 65 ～ 300 | 15 ～ 45 | 20 ～ 300 | 25 ～ 280 | 14 ～ 105 | 38 ～ 70 | 40 ～ 110 | 10 ～ 140 | 12 ～ 110 | 25 ～ 68 | 25 ～ 400 | 7 ～ 70 | 15 ～ 75 | 25 ～ 480 | 12 | 25 ～ 110 | 8 ～ 20 | 40 ～ 120 | 12 |
| Outer Dia. D(Ø) | 120 ～ 460 | 21 ～ 55 | 52 ～ 500 | 47 ～ 420 | 22 ～ 125 | 48 ～ 82 | 52 ～ 130 | 22 ～ 190 | 24 ～ 130 | 30 ～ 74 | 52 ～ 600 | 19 ～ 90 | 23 ～ 95 | 52 ～ 700 | 21 | 47 ～ 170 | 24 ～ 52 | 90 ～ 200 | 42 |
| Raceway Ring Shape | Cone Roller | Needle Roller | Self-Aligning Roller | Cylindrical Roller / Cone Roller | Needle Roller | Needle Roller | Needle Roller | Cylindrical Roller | Needle Roller | Needle Roller | Self-Aligning Roller | Complex Shape Roller | Needle Roller | Self-Aligning Roller | Complex Shape Roller | Cylindrical Roller | Angular Contact Ball | Cone Roller | Angular Contact Ball |
| Load Direction | Radial | Radial | Radial | Radial | Radial | Radial | Radial | Radial / Thrust | Radial | Radial | Radial | Radial / Thrust | Radial | Radial | Radial / Thrust | Radial / Thrust | Radial | Radial / Thrust | Radial |
| Width B(mm) | 56 ～ 150 | 22 ～ 40 | 15 ～ 160 | 16 ～ 122 | 20 ～ 63 | 45 ～ 50 | 36 ～ 63 | 13 ～ 67 | 20 ～ 63 | 26 ～ 35 | 18 ～ 192 | 18 ～ 40 | 20 ～ 60 | 18 ～ 208 | 23 | 16 ～ 45 | - | 49 ～ 83 | - |
| Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | W/o Outer Ring | - | With Outer Ring | With Outer Ring | - | - | - | - | With Outer Ring | - |
| Number of Raceway Ring Rows | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row | Double Row |
| Inner/Outer Ring Material | Steel | Steel | Steel / Stainless Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | - | Steel | - |
| Specifications | Standard | Standard | Standard | Standard | Standard | Standard / Abrasion Resistant / For High Speed | Standard / Abrasion Resistant / For High Speed | Standard / Abrasion Resistant / Dust Resistant / For High Speed | Standard / Abrasion Resistant / For High Speed | Standard | Standard | Standard / Abrasion Resistant / For High Speed | Standard / Abrasion Resistant / For High Speed | Standard | Standard | Standard | - | Standard | - |
| Outer Ring Type | With V-Shaped Groove | Flat | With V-Shaped Groove / With U-Shaped Groove | Flat / With Retaining Ring Grooves | Flat | Flat | With Semicircular Groove | Flat / With Semicircular Groove / With Retaining Ring Grooves | With Semicircular Groove | - | Flat | With Semicircular Groove | With Semicircular Groove | Flat | Flat | Flat | - | Flat | - |
| Precision (JIS) | Class 0 | - | Class 0 | Class 0 | Class 0 | - | - | - | - | Class 0 | - | - | - | Class 0 | Class 0 | Class 4 / Class 5 | - | - | - |
| Rolling Element Material | Steel | Steel | Steel / Stainless Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | - | Steel | - |
| Size Standards | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | - | Metric System | - |
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Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
-
Inner Dia. d(Ø)
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 12
- 12.7
- 12.700(1/2)
- 13
- 14
- 14.288
- 15
- 16
- 17
- 17.462
- 18
- 19
- 19.05
- 20
- 21
- 21.430
- 21.986
- 22
- 22.225
- 24
- 25
- 25.4
- 26
- 28
- 29
- 30
- 31.75
- 32
- 34.925
- 34.925(1 3/8)
- 34.988
- 35
- 37
- 38
- 38.1
- 40
- 41.275
- 42
- 43
- 45
- 47
- 48
- 50
- 50.8
- 52
- 55
- 57
- 58
- 60
- 62
- 63
- 63.5
- 65
- 67
- 68
- 70
- 72
- 73
- 75
- 77
- 80
- 82
- 85
- 87
- 90
- 92
- 95
- 100
- 102
- 105
- 110
- 112
- 115
- 120
- 122
- 125
- 130
- 132
- 135
- 140
- 145
- 150
- 155
- 160
- 162
- 165
- 170
- 175
- 180
- 190
- 195
- 200
- 205
- 220
- 225
- 240
- 245
- 260
- 265
- 280
- 285
- 290
- 300
- 320
- 330
- 340
- 360
- 380
- 400
- 420
- 440
- 460
- 480
-
Outer Dia. D(Ø)
- 6
- 6.5
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 17.462(11/16)
- 18
- 19
- 19.05
- 20
- 20.638
- 21
- 22
- 23
- 23.812
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 30.162
- 31
- 32
- 33
- 33.338
- 34
- 35
- 36
- 37
- 38
- 38.1
- 39
- 39.878
- 40
- 42
- 43
- 44
- 44.45
- 45
- 45.237
- 45.974
- 47
- 47.625(1 7/8)
- 48
- 49
- 50
- 50.005
- 50.292
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 59.131
- 59.974
- 60
- 61
- 62
- 63
- 64
- 65
- 65.088
- 66
- 66.5
- 67
- 68
- 70
- 71.5
- 72
- 73
- 73.025
- 74
- 75
- 76.2
- 77
- 78
- 80
- 81
- 82
- 83
- 85
- 86
- 88
- 89
- 90
- 92
- 93.264
- 95
- 98
- 100
- 102
- 105
- 108
- 110
- 112.712
- 115
- 117
- 120
- 125
- 127
- 130
- 135
- 137
- 140
- 145
- 150
- 153
- 155
- 160
- 165
- 170
- 173
- 175
- 178
- 180
- 188
- 190
- 200
- 210
- 215
- 220
- 225
- 230
- 240
- 250
- 260
- 270
- 280
- 290
- 300
- 310
- 320
- 340
- 360
- 370
- 380
- 400
- 420
- 440
- 460
- 480
- 500
- 520
- 540
- 560
- 580
- 600
- 620
- 650
- 680
- 700
-
Raceway Ring Shape
- Angular Contact Ball
- Cylindrical Roller
- Needle Roller
- Cone Roller
- Self-Aligning Roller
- Complex Shape Roller
- One-Way Clutch
-
Load Direction
- Radial
- Thrust
-
Width B(mm)
- 1
- 2
- 2.5
- 2.75
- 3
- 3.5
- 4
- 4.25
- 4.75
- 5
- 5.25
- 5.5
- 5.75
- 6
- 6.5
- 7
- 7.5
- 8
- 8.25
- 8.5
- 9
- 9.5
- 10
- 10.5
- 11
- 11.5
- 11.75
- 12
- 12.5
- 12.7
- 12.700(1/2)
- 13
- 13.25
- 13.5
- 14
- 14.25
- 14.605
- 14.732
- 15
- 15.25
- 15.88
- 16
- 16.25
- 16.637
- 16.764
- 17
- 17.25
- 17.462
- 18
- 18.25
- 18.288
- 19
- 19.05
- 19.25
- 19.75
- 20
- 20.75
- 21
- 21.25
- 21.75
- 22
- 22.25
- 22.75
- 23
- 23.75
- 24
- 24.25
- 24.75
- 25
- 25.25
- 25.4
- 25.40(1)
- 25.650
- 25.654
- 26
- 26.25
- 26.75
- 27
- 27.25
- 28
- 28.25
- 28.75
- 29
- 29.25
- 29.75
- 30
- 30.162
- 30.302
- 30.5
- 31
- 31.5
- 31.75
- 32
- 32.5
- 32.75
- 33
- 33.25
- 33.5
- 34
- 34.5
- 35
- 35.25
- 36
- 37
- 38
- 38.25
- 38.5
- 39
- 40
- 41
- 42
- 42.25
- 42.5
- 43
- 43.5
- 43.75
- 44.5
- 45
- 45.5
- 45.75
- 46
- 46.5
- 47
- 48
- 48.5
- 49
- 49.5
- 50
- 51
- 51.5
- 52
- 53
- 53.5
- 54
- 54.5
- 55
- 56
- 57
- 58
- 59
- 59.5
- 60
- 60.5
- 61
- 61.5
- 62
- 63
- 63.5
- 63.75
- 64
- 65
- 67
- 67.5
- 67.75
- 68
- 69
- 70
- 71.5
- 71.75
- 72
- 73
- 74
- 75
- 76
- 77
- 77.5
- 78
- 79
- 80
- 81.5
- 82
- 83
- 84
- 84.5
- 85
- 86
- 87
- 88
- 89
- 90
- 90.5
- 91
- 92
- 93
- 95
- 96
- 97
- 98
- 98.75
- 100
- 102
- 103
- 104
- 106
- 107.75
- 108
- 109
- 110
- 112
- 114
- 115
- 118
- 120
- 121
- 122
- 126
- 127
- 128
- 130
- 132
- 133
- 134
- 135
- 137
- 138
- 140
- 144
- 145
- 146
- 148
- 150
- 155
- 157
- 160
- 163
- 165
- 174
- 175
- 176
- 190
- 192
- 200
- 208
-
Outer Ring
- With Outer Ring
- W/o Outer Ring
-
Number of Raceway Ring Rows
-
Inner/Outer Ring Material
- Steel
- Stainless Steel
-
Specifications
-
Outer Ring Type
-
Precision (JIS)
- Class 0
- Class 4
- Class 5
-
Rolling Element Material
-
Size Standards
Related Categories to Roller BearingsDanh mục liên quan đến Roller Bearings
FAQ Roller Bearings
- Question: What are the different types of roller bearings?
- Answer: The different types of roller bearings are:
1. Cylindrical Roller Bearings: Suitable for moderate-speed operations with high radial-load capacity and moderate thrust loads.
2. Spherical Roller Bearings: Designed to carry heavy axial and radial loads at high speeds, even with misalignment or shaft deflection. Available with cylindrical or tapered bores.
3. Needle Roller Bearings: Feature thin, long rollers for high radial load capacities in limited space and high-speed rotational applications.
4. Tapered Roller Bearings: Support radial and thrust loads, commonly used in automotive wheel hubs, gearboxes, and industrial equipment. Available in inch and metric sizes. These bearings find applications in various industries, including heavy equipment, machinery and manufacturing. - Question: What are the advantages of using roller bearings?
- Answer: Here are some Advantages of roller bearings:
1. Reduced friction for lower starting and running friction, except at very high speeds.
2. Ability to withstand momentary shock loads.
3. Accurate shaft alignment.
4. Low manufacturing cost.
5. Moderate lubricant requirements and low friction.
6. Capability to support both radial and axial loads.
7. Long bearing life.
8. Suitable for mass production with stable quality.
9. Can support combined radial and thrust loads simultaneously. - Question: How do I choose the right roller bearing for my application?
- Answer: Here are some steps to guide you in selecting the appropriate bearing:
1. Load Requirements: Understand the magnitude and direction of the load to determine the appropriate load capacity.
2. Speed: Consider the rotational speed of the application to ensure it aligns with the bearing's capabilities.
3. Environmental Conditions: Evaluate temperature, humidity, and exposure to contaminants to select a bearing that can withstand the operating environment.
4. Bearing Type: Choose from various types like cylindrical, spherical, needle, or tapered roller bearings based on load, speed, and operating conditions.
5. Bearing Material: Select suitable materials such as stainless steel, chrome steel, ceramic, or plastic, considering load, speed, temperature, and environmental factors.
6. Lubrication Needs: Determine lubrication requirements, including type, viscosity, and replenishment intervals, to ensure smooth operation and longevity.
7. Special Features or Requirements: Consider any specific features like seals, shields, precision tolerances, or coatings needed for your application. - Question: Can roller bearings handle axial loads?
- Answer: Yes, Roller bearings can indeed handle axial loads, though most are designed primarily for radial loads. Certain designs, such as cylindrical roller bearings with flanges on both inner and outer rings, and axial spherical roller bearings, are capable of supporting axial loads. However, roller bearings generally have lower axial load capacities compared to radial loads.
- Question: How do I maintain and lubricate roller bearings?
- Answer: The guidelines for maintaining and lubricating roller bearings effectively including
1. Selection of Lubricant: Choose lubricant based on application and environment, such as mineral oil, synthetic oil, or greases like lithium soap or polyalphaolefin.
2. Lubrication Techniques: Utilize methods such as oil drip feed or grease lubrication.
3. Lubrication Schedule: Establish a schedule based on application and environmental factors and regularly inspect bearings for wear and adjust the schedule accordingly.
4. Monitoring Performance: Regularly monitor for signs of issues such as increased vibration, excessive heat, lubricant loss, or contamination and address any problems promptly to prevent premature bearing failure. - Question: What are the signs of roller bearing failure?
- Answer: Signs of roller bearing failure include excessive vibration, increased temperature, noise, lubricant contamination, and friction. Initial indicators often begin with abnormal vibration, progressing to elevated temperature and noise. Contaminated lubricants exacerbate friction, leading to heat generation and eventual failure.
- Question: How long do roller bearings typically last?
- Answer: The lifespan of roller bearings is determined by factors like rotations or operating hours, with fatigue symptoms indicating failure. The L10 life, representing the hours or rotations before 90% of bearings fail, estimates bearing life. Ratings are based on hours at a set speed, influenced by load, speed, lubrication, and conditions. Average roller bearing life is usually 4 to 5 times the L10 life, potentially longer under favorable conditions.
- Question: Can roller bearings be used in extreme temperatures?
- Answer: Roller bearings have differing temperature thresholds depending on their design, lubrication, and operational conditions. Traditional bearings can typically function in temperatures up to 149°C, while specialized high-temperature bearings can endure temperatures up to 450°C. However, excessive heat can decrease efficiency, induce wear and expansion, and compromise seals or grease. It's vital to select appropriate bearings and lubricants tailored to specific applications and environmental conditions to ensure optimal performance and longevity.
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