Self-aligning ball bearings, with a tapered bore and seals on both sides, have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring. The tapered bore facilitates ease of mounting via adapter/withdrawal sleeves. The integral sealing can prolong bearing service life by keeping lubricant in the bearings and contaminants out.
| d |
55 mm
|
Bore diameter |
|---|---|---|
| D |
100 mm
|
Outside diameter |
| B |
25 mm
|
Width |
| d2 |
≈65.9 mm
|
Recess diameter inner ring |
| D2 |
≈88.5 mm
|
Recess diameter outer ring |
| r1,2 |
min.1.5 mm
|
Chamfer dimension |
| Basic dynamic load rating | C |
27.6 kN
|
|---|---|---|
| Basic static load rating | C0 |
10.6 kN
|
| Fatigue load limit | Pu |
0.54 kN
|
| Reference speed |
12 000 r/min
|
|
| Limiting speed |
4 300 r/min
|
|
| Permissible angular misalignment | α |
1.5 °
|
| Calculation factor | kr |
0.045
|
| Limiting value | e |
0.2
|
| Calculation factor | Y0 |
3.2
|
| Calculation factor | Y1 |
3.2
|
| Calculation factor | Y2 |
4.9
|
| Retaining feature, inner ring | None |
| Locating feature, bearing outer ring | None |
| Number of rows | 2 |
| Bore type | Tapered 1:12 |
| Cage | Non-metallic |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Material, bearing | Bearing steel |
| Coating | Without |
| Sealing | Seal on both sides |
| Sealing type | Contact |
| Lubricant | Grease |
| Relubrication feature | Without |
| Adapter sleeve with KMFE lock nut, metric dimensions | H 311 E |
(55X100X25) (2211E2RS1KTN9) (2211-E-2RS1KTN9)
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