Self-aligning ball bearings have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring.
| d |
40 mm
|
Bore diameter |
|---|---|---|
| D |
80 mm
|
Outside diameter |
| B |
23 mm
|
Width |
| d1 |
≈52.39 mm
|
Shoulder diameter inner ring |
| D1 |
≈70.2 mm
|
Shoulder diameter outer ring |
| r1,2 |
min.1.1 mm
|
Chamfer dimension |
| Basic dynamic load rating | C |
31.9 kN
|
|---|---|---|
| Basic static load rating | C0 |
10 kN
|
| Fatigue load limit | Pu |
0.51 kN
|
| Reference speed |
16 000 r/min
|
|
| Limiting speed |
11 000 r/min
|
|
| Permissible angular misalignment | α |
2.5 °
|
| Calculation factor | kr |
0.045
|
| Limiting value | e |
0.28
|
| Calculation factor | Y0 |
2.5
|
| Calculation factor | Y1 |
2.2
|
| Calculation factor | Y2 |
3.5
|
| Retaining feature, inner ring | None |
| Locating feature, bearing outer ring | None |
| Number of rows | 2 |
| Bore type | Cylindrical |
| Cage | Non-metallic |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Material, bearing | Bearing steel |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
(40X80X23) (2208ETN9) (2208-ETN9)
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