6308-Z-C4
Deep groove ball bearing
Deep groove ball bearing 63..-Z, single row, shield , steel sheet metal cage
Replaces
6308ZR.C4
Description
Metric
Imperial
Main Dimensions & Performance Data
| d | 40 mm | Bore diameter |
| D | 90 mm | Outside diameter |
| B | 23 mm | Width |
| Cr | 45,500 N | Basic dynamic load rating, radial |
| C0r | 25,000 N | Basic static load rating, radial |
| Cur | 1,690 N | Fatigue load limit, radial |
| nG | 10,800 1/min | Limiting speed |
| nϑr | 9,000 1/min | Reference speed |
| ≈m | 0.62 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 |
| D2 | 76.5 mm | Caliber diameter outer ring |
| d1 | 55.55 mm | Shoulder diameter inner ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Calculation factors
| f0 | 13 | Calculation factor |
Your current product variant
| Sealing | Z | Non-contact shield on one Side |
| Cage | JN | steel sheet metal |
| Tolerance class | PN | Normal (PN) |
| Dimensional / heat stabilization | SN | Rings dimensional stabilized up to 120° |
| Lubricant | without | Bearing not greased |
| Radial internal clearance | C4 | Group 4 (C4), bigger than C3 |
| Bore type | Z | Cylindrical |
Characteristics
