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The self-aligning ball bearing has two kinds of structure: cylindrical hole and tapered hole. The retainer is made of steel plate and synthetic resin.Its characteristic is that the outer ring raceway is spherical shape, with automatic centrality, can compensate the error caused by different concentricity and axial deflection, but the relative inclination of the inner and outer rings should not exceed 3 degrees.
| Product Name | Self-aligning roller bearings 11204-11212 |
| Material | Chrome Steel |
| Inside diameter | 20-60mm |
| Outside Diameter | 47-110mm |
| Packing | According to the buyer requests for packaging |
| Designation | Principal Dimension | Basic Load Ratings | Speed ratings (r/min) | Weight（kg） | ||||
| d | D | B | Dynamic | Static | Grease | Oil | ||
| 11204 | 20 | 47 | 14 | 10.1 | 2.6 | 18100 | 15300 | 0.186 |
| 11205 | 25 | 52 | 15 | 12.3 | 3.3 | 15500 | 13400 | 0.221 |
| 11206 | 30 | 62 | 16 | 15.9 | 4.65 | 13100 | 11400 | 0.37 |
| 11207 | 35 | 72 | 17 | 16 | 5.1 | 11600 | 9800 | 0.54 |
| 11208 | 40 | 80 | 18 | 19.4 | 6.5 | 10100 | 8600 | 0.736 |
| 11209 | 45 | 85 | 19 | 22 | 7.3 | 9300 | 8200 | 0.788 |
| 11210 | 50 | 90 | 20 | 22.9 | 8.1 | 8700 | 7700 | 0.85 |
| 11211 | 55 | 100 | 21 | 27 | 10 | 7700 | 6900 | 1.16 |
| 11212 | 60 | 110 | 22 | 30.5 | 11.5 | 6900 | 6300 | 1.54 |
