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 metric and inch boundary dimensions.
| d |
25 mm
|
Bore diameter |
|---|---|---|
| D |
41 mm
|
Outside diameter |
| H |
8 mm
|
Radial cross section |
| B |
8.001 mm
|
Width |
| d2 |
≈ 31.55 mm
|
Recess diameter inner ring |
| D2 |
≈ 34.42 mm
|
Recess diameter outer ring |
|
3.969 mm
|
Ball diameter | |
|
0.8 mm
|
Maximum radius of shaft or housing fillet |
| Dynamic load rating, Kaydon, radial direction | CK |
3.25 kN
|
|---|---|---|
| Basic static load rating, radial direction | C0 |
3.28 kN
|
| Basic static load rating, axial direction | C0a |
7.43 kN
|
| Basic dynamic load rating, moment | CM |
0.04 kN·m
|
| Basic static load rating, moment | C0M |
0.049 kN·m
|
| Starting torque max. no load |
0.02 N·m
|
|
| Limiting speed |
3 000 r/min
|
| Mass bearing |
≈ 0.06 kg
|
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