QJ308-XL-MPA-C2
Four-point contact bearing
Four point contact bearing QJ3..-XL-MPA, X-life, solid brass cage
Replaces
QJ308-MPA-C2
Description
Metric
Imperial
Main Dimensions & Performance Data
| d | 40 mm | Bore diameter |
| D | 90 mm | Outside diameter |
| B | 23 mm | Width |
| Cr | 84,000 N | Basic dynamic load rating, radial |
| C0r | 62,000 N | Basic static load rating, radial |
| Cur | 4,350 N | Fatigue load limit, radial |
| nG | 15,400 1/min | Limiting speed |
| nϑr | 6,400 1/min | Reference speed |
| ≈m | 0.755 kg | Weight |
Mounting dimensions
| da min | 49 mm | Minimum diameter shaft shoulder |
| Da max | 81 mm | Maximum diameter of housing shoulder |
| ra max | 1.5 mm | Maximum fillet radius |
Dimensions
| rmin | 1.5 mm | Minimum chamfer dimension |
| D1 | 73.4 mm | Shoulder diameter outer ring |
| d1 | 56.7 mm | Shoulder diameter inner ring |
| a | 46 mm | Distance between the apexes of the pressure cones |
| α | 35 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
Your current product variant
| Cage | MPA | solid brass cage, outer ring guided |
| Design, bearing outer ring | S | Standard |
| Tolerance class | PN | Normal (PN) |
| Dimensional / heat stabilization | S0 | Rings dimensional stabilized up to 150° |
| Axial internal clearance | C2 | Group 2 (C2), smaller than CN |
Characteristics
