Self-aligning ball bearings, with extended inner ring, have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring. They are insensitive to angular misalignment of the shaft relative to the housing. The extended inner ring enables use of commercial grade shafting and axially location on the shaft by means of a slot at one end of the inner ring.
| d |
40 mm
|
Bore diameter |
|---|---|---|
| D |
80 mm
|
Outside diameter |
| B |
56 mm
|
Width |
| C |
18 mm
|
Width outer ring |
| d1 |
≈54 mm
|
Shoulder diameter inner ring |
| D1 |
≈67.5 mm
|
Shoulder diameter outer ring |
| r1,2 |
min.1.1 mm
|
Chamfer dimension |
| Basic dynamic load rating | C |
19 kN
|
|---|---|---|
| Basic static load rating | C0 |
6.55 kN
|
| Fatigue load limit | Pu |
0.335 kN
|
| Limiting speed |
5 000 r/min
|
|
| Permissible angular misalignment | α |
2.5 °
|
| Calculation factor | kr |
0.04
|
| Limiting value | e |
0.22
|
| Calculation factor | Y0 |
2.8
|
| Calculation factor | Y1 |
2.9
|
| Calculation factor | Y2 |
4.5
|
| Retaining feature, inner ring | Locating slot |
| 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 |
(40X80X56) (11208TN9) (11208-TN9)
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