
Self-aligning ball bearings have a unique structure: their outer ring raceway is spherical, allowing the inner ring and cage assembly (containing double-row steel balls) to oscillate freely within this spherical raceway. This design results in the following outstanding characteristics:
Excellent self-aligning capability
Primarily withstands radial loads, and can withstand small amounts of bidirectional axial loads
Low frictional resistance and low operating temperature
Self-aligning ball bearings are particularly suitable for applications where there is a risk of misalignment and where the load and speed are moderate:
Textile machinery: Long shaft drives in spinning machines, winding machines, etc., are the most classic application area.
Agricultural machinery: Tractors, harvesters, and other equipment with high vibration, harsh operating conditions, and prone to deformation.
Ventilation and transmission equipment: Industrial fans, long drive shafts, and equipment connected by flexible couplings.
Material conveying equipment: Light-duty conveyor belt rollers.
Office and general machinery: Suitable for general transmission parts where installation precision control is not critical.
| Inquiry | Bearing Number | Dimensions | |||
|---|---|---|---|---|---|
| d (mm) | D (mm) | B (mm) | |||
| 2208 | 40 | 80 | 23 | ||
| 1208 | 40 | 80 | 18 | ||
| 1308 | 40 | 90 | 23 | ||
| 2308 | 40 | 90 | 33 | ||
| 2309 | 45 | 100 | 36 | ||
| 1309 | 45 | 100 | 25 | ||
| 2209 | 45 | 85 | 23 | ||
| 1209 | 45 | 85 | 19 | ||
| 1310 | 50 | 110 | 27 | ||
| 2310 | 50 | 110 | 40 | ||
| 2210 | 50 | 90 | 23 | ||
| 1210 | 50 | 90 | 20 | ||
| 1211 | 55 | 100 | 21 | ||
| 2211 | 55 | 100 | 25 | ||
| 1311 | 55 | 120 | 29 | ||
| 2311 | 55 | 120 | 43 | ||
| 2212 | 60 | 110 | 28 | ||
| 1212 | 60 | 110 | 22 | ||
| 1312 | 60 | 130 | 31 | ||
| 2312 | 60 | 130 | 46 | ||
| 2213 | 65 | 120 | 31 | ||
| 1213 | 65 | 120 | 23 | ||
| 1313 | 65 | 140 | 33 | ||
| 2313 | 65 | 140 | 48 | ||
| 2214 | 70 | 125 | 31 | ||
| 1214 | 70 | 125 | 24 | ||
| 1314 | 70 | 150 | 35 | ||
| 2314 | 70 | 150 | 51 | ||
| 2215 | 75 | 130 | 31 | ||
| 1215 | 75 | 130 | 25 | ||
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