Self-aligning ball bearings permit disalignment of the shaft and housing. The structure is double-row balls with one continous spherical raceway in the outer ring. Findbearing has open or sealed edition, Inner bore can be cylindrical or tapered. Nylon cage, steel cage and brass cage available.
Following series are the normal series in production.
RL series | |||
11300 | 11200 | ||
1200 | 1200 K | ||
1300 | 1300 K | 1300 M | |
2200 | 2200 K | 2200 M | 2200 2RS |
2300 | 2300 K | 2300 M | 2300 2RS |
All self-aligning bearing series listed above are regular products, Findbearing.com organize production, inspection and guarantee quality. Default tolerance P0 grade , default cage steel cage unless otherwise specified. M is solid brass cage. All sealed bearings can also be tapered bore. Material: small sizes are pipe manufactured.
If higher grade needed, please contact us for details.
Self-aligning Ball Bearing Radial Clearance (Cylindrical bore)
Inner Diameter (mm) |
From | 6 | 10 | 14 | 18 | 24 | 30 | 40 | 50 | 65 | 80 | 100 | 120 | |
To | 6 | 10 | 14 | 18 | 24 | 30 | 40 | 50 | 65 | 80 | 100 | 120 | 140 | |
Clearance C2 (μm) |
Min | 1 | 2 | 2 | 3 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 10 |
Max | 8 | 9 | 10 | 12 | 14 | 16 | 18 | 19 | 21 | 24 | 27 | 31 | 38 | |
Clearance CN (μm) |
Min | 5 | 6 | 6 | 8 | 10 | 11 | 13 | 14 | 16 | 18 | 22 | 25 | 30 |
Max | 15 | 17 | 19 | 21 | 23 | 24 | 29 | 31 | 36 | 40 | 48 | 56 | 68 | |
Clearance C3 (μm) |
Min | 10 | 12 | 13 | 15 | 17 | 19 | 23 | 25 | 30 | 35 | 42 | 50 | 60 |
Max | 20 | 25 | 26 | 28 | 30 | 35 | 40 | 44 | 50 | 60 | 70 | 83 | 100 | |
Clearance C4 (μm) |
Min | 15 | 19 | 21 | 23 | 25 | 29 | 34 | 37 | 45 | 54 | 64 | 75 | 90 |
Max | 25 | 33 | 35 | 37 | 39 | 46 | 53 | 57 | 69 | 83 | 96 | 114 | 135 |
For tapered bore, clearance has different standard.