| Inquiry | Bearing Designation | Dimension（mm） | Basic load ratings (kN) | Speed ratings(rpm) | Weight | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | rs min | Cr | Cor | Grease | Oil | (Kg) | |||
| 1217K | 85 | 150 | 28 | 2 | 49 | 20.8 | 3500 | 4100 | 2.03 | ||
| 1218 | 90 | 160 | 30 | 2 | 57 | 23.5 | 3300 | 3800 | 2.51 | ||
| 1218K | 90 | 160 | 30 | 2 | 57 | 23.5 | 3300 | 3800 | 2.47 | ||
| 1219 | 95 | 170 | 32 | 2.1 | 64 | 27.1 | 3100 | 3600 | 3.1 | ||
| 1219K | 95 | 170 | 32 | 2.1 | 64 | 27.1 | 3100 | 3600 | 3.05 | ||
| 1220 | 100 | 180 | 34 | 2.1 | 69 | 29.7 | 2900 | 3400 | 3.7 | ||
| 1220K | 100 | 180 | 34 | 2.1 | 69 | 29.7 | 2900 | 3400 | 3.64 | ||
| 1221 | 105 | 190 | 36 | 2.1 | 74.5 | 32.5 | 2800 | 3300 | 4.34 | ||
| 1222 | 110 | 200 | 38 | 2.1 | 80.5 | 35.5 | 2600 | 3100 | 5.15 | ||
| 1222K | 110 | 200 | 38 | 2.1 | 80.5 | 35.5 | 2600 | 3100 | 5.07 | ||
In a self-aligning bearing, the inner ring has two raceways and the outer ring has a single spherical raceway with its center of curvature coincident with the bearing axis. Self-Aligning Double Row Ball Bearings are designed to work in applications where severe misalignment exists whether from mounting or shaft deflection. The concave raceway of the outer ring in combination with two rows of balls operate over a wide range of contact angles.
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