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Thrust Bearing Dimensions
Thrust ball bearings
SKF thrust ball bearings are manufactured as single direction (fig. 1) or double direction (fig. 2) thrust ball bearings. They are designed to accommodate axial loads only and must not be subjected to any radial load.
In addition to the bearings presented in this section, SKF supplies thrust ball bearings for special application requirements. This assortment includes bearings with Solid Oil and NoWear coated bearings.
Product details
- Designs and variants
- Bearing data
- Loads
- Temperature limits
- Permissible speed
- Mounting
- Designation system
- SINGLE DIRECTION
- DOUBLE DIRECTION
Thrust ball bearings, single direction
FILTERS
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Popular item
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Bore diameter d
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Outside diameter D
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Height H
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Height bearing including seat washer H1
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Designation bearing
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Seat washer
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Design
| Principal dimensions | Basic load ratings | Speed ratings | Designations | ||||||
|---|---|---|---|---|---|---|---|---|---|
| dynamic | static | Reference speed | Limiting speed | Bearing | Seat washer | ||||
|
d[mm]
|
D[mm]
|
H[mm]
|
H1[mm]
|
C[kN]
|
C0[kN]
|
[r/min]
|
[r/min]
|
|
|
| 3 | 8 | 3.5 | 0.806 | 0.72 | 26 000 | 36 000 | BA 3 | ||
| 4 | 10 | 4 | 0.761 | 0.72 | 22 000 | 30 000 | BA 4 | ||
| 5 | 12 | 4 | 0.852 | 0.965 | 20 000 | 28 000 | BA 5 | ||
| 6 | 14 | 5 | 1.78 | 1.92 | 17 000 | 24 000 | BA 6 | ||
| 7 | 17 | 6 | 2.51 | 2.9 | 14 000 | 19 000 | BA 7 | ||
| 8 | 19 | 7 | 3.19 | 3.8 | 12 000 | 17 000 | BA 8 | ||
| 9 | 20 | 7 | 3.12 | 3.8 | 12 000 | 16 000 | BA 9 | ||
| 10 | 24 | 9 | 8.71 | 12.2 | 9 500 | 13 000 | 51100 | ||
| 10 | 26 | 11 | 12.7 | 18.6 | 8 000 | 11 000 | 51200 | ||
| 12 | 26 | 9 | 10.4 | 16.6 | 9 000 | 13 000 | 51101 | ||
| 12 | 28 | 11 | 13.3 | 20.8 | 8 000 | 11 000 | 51201 | ||
| 12 | 28 | 11.4 | 13 | 13.3 | 20.8 | 8 000 | 11 000 | 53201 | U 201 |
| 15 | 28 | 9 | 10.6 | 18.3 | 8 500 | 12 000 | 51102 | ||
| 15 | 32 | 12 | 15.9 | 25 | 7 000 | 10 000 | 51202 | ||
| 15 | 32 | 13.3 | 15 | 15.9 | 25 | 7 000 | 10 000 | 53202 | U 202 |
| 17 | 30 | 9 | 11.4 | 21.2 | 8 500 | 12 000 | 51103 | ||
| 17 | 35 | 12 | 16.3 | 27 | 6 700 | 9 500 | 51203 | ||
| 17 | 35 | 13.2 | 15 | 16.3 | 27 | 6 700 | 9 500 | 53203 | U 203 |
| 20 | 35 | 10 | 15.1 | 29 | 7 500 | 10 000 | 51104 | ||
| 20 | 40 | 14 | 21.2 | 37.5 | 6 000 | 8 000 | 51204 | ||
| 20 | 40 | 14.7 | 17 | 21.2 | 37.5 | 5 600 | 8 000 | 53204 | U 204 |
| 25 | 42 | 11 | 18.2 | 39 | 6 300 | 9 000 | 51105 | ||
| 25 | 47 | 15 | 26.5 | 50 | 5 300 | 7 500 | 51205 | ||
| 25 | 47 | 16.7 | 19 | 26.5 | 50 | 5 000 | 7 000 | 53205 | U 205 |
| 25 | 52 | 18 | 34.5 | 60 | 4 500 | 6 300 | 51305 | ||
| 25 | 60 | 24 | 42.3 | 67 | 3 600 | 5 000 | 51405 | ||
| 30 | 47 | 11 | 19 | 43 | 6 000 | 8 500 | 51106 | ||
| 30 | 52 | 16 | 25.1 | 51 | 4 800 | 6 700 | 51206 | ||
| 30 | 52 | 17.8 | 20 | 25.1 | 51 | 4 500 | 6 300 | 53206 | U 206 |
| 30 | 60 | 21 | 35.8 | 65.5 | 3 800 | 5 300 | 51306 | ||
- = Popular item - High level of availability and generally a cost effective solution
Features and benefits
- Separable and interchangeable
The separable components of SKF thrust ball bearings are interchangeable (fig. 3, fig. 4). This facilitates mounting and dismounting, and maintenance inspections. - Initial misalignment
Bearings with sphered housing washer(s) (fig. 5) can accommodate initial misalignment. - Interference fit
Shaft washers have a ground bore to enable an interference fit. The bore of the housing washer is turned and always larger than the shaft washer bore.