About Ball and Roller Bearings
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Combination Ball/Needle-Roller Bearings
A built-in thrust ball bearing reduces wear from adjacent shaft components, while the needle rollers support high radial loads. Install anywhere you would use separate bearings for radial and thrust loads.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | Thrust Load Cap., lbs. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ball Bearing OD, mm | Ball Bearing Wd., mm | Ring Material | Dynamic | Static | Dynamic | Static | Max. Speed, rpm | Lubrication | For Shaft Surface Smoothness (Ra), microinch | Temp. Range, °F | Each | |
Open | |||||||||||||||
| 12 | 21 | 23 | 27 | 9 | Steel | 1,650 | 1,900 | 2,170 | 2,490 | 9,000 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 15 | 24 | 23 | 29 | 9 | Steel | 2,150 | 2,800 | 2,230 | 2,740 | 8,500 | Required | 8 | -20° to 230° | 00000000 | 00000 |
| 17 | 26 | 25 | 31 | 9 | Steel | 2,550 | 3,600 | 2,420 | 3,250 | 8,500 | Required | 8 | -20° to 230° | 00000000 | 00000 |
| 20 | 30 | 30 | 36 | 10 | Steel | 3,300 | 5,300 | 3,190 | 4,420 | 7,000 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 25 | 37 | 30 | 43 | 11 | Steel | 4,250 | 6,700 | 4,050 | 6,670 | 6,300 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 30 | 42 | 30 | 48 | 11 | Steel | 4,550 | 7,750 | 4,200 | 7,550 | 5,600 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 35 | 47 | 30 | 53 | 12 | Steel | 4,950 | 9,150 | 4,500 | 8,450 | 5,300 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 40 | 52 | 32 | 61 | 13 | Steel | 5,350 | 10,600 | 6,045 | 11,240 | 4,500 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 45 | 58 | 32 | 66.5 | 14 | Steel | 5,600 | 11,600 | 6,250 | 12,380 | 4,500 | Required | 8 | -20° to 230° | 00000000 | 000000 |
| 50 | 62 | 35 | 71.5 | 14 | Steel | 6,750 | 15,400 | 6,450 | 13,510 | 4,300 | Required | 8 | -20° to 230° | 00000000 | 000000 |