Four point contact ball bearings provide unique bidirectional axial load capacity. Key characteristics:
- Single-row design with raceway geometry for four-point contact
- 35° contact angle for optimal load distribution
- Split inner ring options for easy installation
- Essential for robotics, turntables, and material handling equipment
- Axial load capacity up to 1.5 times radial capacity
Product Specifications
| Inquiry | Bearing No. | ID | OD | B | Cr | Cor | Mass |
|---|---|---|---|---|---|---|---|
| QJ3938X3 | 190 | 269.5 | 55 | 216 | 340 | 10.5 | |
| QJF3938X3 | 190 | 269.5 | 55 | 216 | 340 | 10.5 | |
| QJF1038 | 190 | 290 | 46 | 236 | 378 | 11.5 | |
| QJF238 | 190 | 340 | 55 | 347 | 569 | 39 | |
| QJ2940X2 | 200 | 280 | 51 | 216 | 340 | 10.2 | |
| QJF2940X2 | 200 | 280 | 51 | 216 | 340 | 10.2 | |
| QJ3940X3 | 200 | 289.5 | 58 | 235 | 384 | 13.2 | |
| QJF3940X3 | 200 | 289.5 | 58 | 235 | 384 | 13.2 | |
| QJF1040 | 200 | 310 | 51 | 294 | 473 | 15 | |
| QJ1040 | 200 | 310 | 51 | 294 | 473 | 15 | |
| QJ240 | 200 | 360 | 58 | 390 | 656 | 27 | |
| QJF240 | 200 | 360 | 58 | 390 | 656 | 27 | |
| QJ3944 | 220 | 300 | 60 | 221 | 364 | 13 | |
| QJ3944X1 | 220 | 309.5 | 60 | 246 | 412 | 14.8 | |
| QJF3944X1 | 220 | 309.5 | 60 | 246 | 412 | 14.8 | |
| QJ1044 | 220 | 340 | 56 | 300 | 503 | 19.6 | |
| QJF1044 | 220 | 340 | 56 | 300 | 503 | 19.6 | |
| QJ1048X1 | 240 | 359.5 | 56 | 335 | 611 | 21 | |
| QJF1048 | 240 | 360 | 56 | 335 | 611 | 21 | |
| QJ1048 | 240 | 360 | 56 | 335 | 611 | 21 |