FAG QJ212-XL-JP Four point contact bearings
Brand: FAG
Item number: QJ212-XL-JP
Description
Four-point contact bearings are single-row angular contact ball bearings and therefore require significantly less space in an axial direction than double-row designs.
The bearings comprise solid outer rings, split inner rings and ball and cage assemblies with brass or polyamide cages. The two-piece inner rings enable a large complement of balls to be accommodated. The inner ring halves are matched to the particular bearing and must not be interchanged with those of other bearings of the same size. The outer ring with the ball and cage assembly can be mounted separately from the two inner ring halves.
Spindle bearings adjusted, in pairs or sets, contact angle α = 25°, with ceramic balls, lip seals on both sides, non-contact, restricted tolerances
The techinical sheet for FAG QJ212-XL-JP
| d | 60 mm | |
| D | 110 mm | |
| B | 22 mm |
| a | 60 mm | |
| D1 | 93 mm | |
| Da max | 101 mm | |
| d1 | 77,1 mm | |
| da min | 69 mm | |
| ra max | 1,5 mm | |
| rmin | 1,5 mm | |
| α | 35 ° | Contact angle |
| m | 0,93 kg | Mass |
| Cr | 98000 N | Basic dynamic load rating, radial |
| C0r | 93000 N | Basic static load rating, radial |
| Cur | 7200 N | Fatigue limit load, radial |
| nG | 7400 1/min | Limiting speed |
| nϑr | 5300 1/min | Reference speed |
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