Four-point contact ball bearings with seals or shields can accommodate radial, axial and moment loads simultaneously. One bearing series is based on a single cross section which remains constant as the bore diameter increases, leading to significant space and weight savings. The integral sealing can significantly prolong bearing service life because it keeps lubricant in the bearings and contaminants out. The bearings are available with and inch boundary dimensions.
| d | 25.4 mm | Bore diameter |
|---|---|---|
| D | 34.925 mm | Outside diameter |
| H | 4.763 mm | Radial cross section |
| B | 6.35 mm | Width |
| d1 | ≈ 28.956 mm | Shoulder diameter inner ring |
| d2 | ≈ 28.143 mm | Recess diameter inner ring |
| D1 | ≈ 31.369 mm | Shoulder diameter outer ring |
| D2 | ≈ 32.36 mm | Recess diameter outer ring |
2.381 mm | Ball diameter | |
0.381 mm | Maximum radius of shaft or housing fillet |
| Dynamic load rating, Kaydon, radial direction | CK | 1.1 kN |
|---|---|---|
| Basic static load rating, radial direction | C0 | 1.29 kN |
| Basic static load rating, axial direction | C0a | 3.25 kN |
| Basic dynamic load rating, moment | CM | 0.0124 kN·m |
| Basic static load rating, moment | C0M | 0.0192 kN·m |
| Starting torque max. no load | 0.0353 N·m | |
| Limiting speed | 3 000 r/min |
General bearing specifications
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