Four-point bearings are single-row angular contact ball bearings that can accept high axial forces in both directions. However, only low radial forces can be accepted.
A minimum axial load must be applied to achieve low friction, in particular at high speeds.
Product codes in this group
Below is a selection of product codes in this group. Use the product codes page for the full list and technical PDF datasheets.
| Designation | Product group | Dimensions (mm) | Load rating (kN) | Speed (rpm) | PDF Datasheet | ||||
|---|---|---|---|---|---|---|---|---|---|
| d | D | B | C | C0 | nG | nB | |||
| QJ206MPA | Four-point contact bearings | 30 | 62 | 16 | 36.5 | 27.5 | 20,000 | 10,000 | |
| QJ306MPA | Four-point contact bearings | 30 | 72 | 19 | 53.3 | 38.6 | 14,000 | 7,800 | |
| QJ306TVP | Four-point contact bearings | 30 | 72 | 19 | 57.2 | 42.9 | 11,000 | 7,800 | |
| QJ207MPA | Four-point contact bearings | 35 | 72 | 17 | 41.7 | 35.4 | 18,000 | 8,500 | |
| QJ307MPA | Four-point contact bearings | 35 | 80 | 21 | 56.8 | 46.1 | 12,000 | 7,200 | |
| KAA15XMH0 | Thin section four-point contact bearings | 38.1 | 47.625 | 4.762 | 7.4 | 2.61 | – | – | |
| QJ208MPA | Four-point contact bearings | 40 | 80 | 18 | 54 | 46.6 | 12,000 | 7,600 | |
| QJ208TVP | Four-point contact bearings | 40 | 80 | 18 | 54 | 46.6 | 9,500 | 7,600 | |
| QJ308MPA | Four-point contact bearings | 40 | 90 | 23 | 78.4 | 62.2 | 11,000 | 6,400 | |
| QJ308TVP | Four-point contact bearings | 40 | 90 | 23 | 83.5 | 68.4 | 8,500 | 6,400 | |
| QJ209MPA | Four-point contact bearings | 45 | 85 | 19 | 58.7 | 53.4 | 11,000 | 7,000 | |
| QJ209TVP | Four-point contact bearings | 45 | 85 | 19 | 61.6 | 57.5 | 8,500 | 7,000 | |