Description
Metric
Imperial
Main Dimensions & Performance Data
| d | 12 mm | Bore diameter |
| D | 37 mm | Outside diameter |
| B | 12 mm | Width |
| Cr | 7,690 N | Basic dynamic load rating, radial |
| C0r | 3,500 N | Basic static load rating, radial |
| Cur | 202 N | Fatigue load limit, radial |
| nG | 30,500 1/min | Limiting speed |
| nϑr | 20,900 1/min | Reference speed |
| ≈m | 0.062 kg | Weight |
Mounting dimensions
| da min | 17.6 mm | Minimum diameter shaft shoulder |
| Da max | 31.4 mm | Maximum diameter of housing shoulder |
| ra max | 1 mm | Maximum fillet radius |
Dimensions
| rmin | 1 mm | Minimum chamfer dimension |
| D1 | 28.1 mm | Shoulder diameter outer ring |
| d1 | 19.9 mm | Shoulder diameter inner ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Calculation factors
| f0 | 12.4 | Calculation factor |
Your current product variant
| Changed internal design | H | Design variant H (H-Series) |
| Sealing | without | not sealed |
| 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 | C3 | Group 3 (C3), bigger than CN |
| Bore type | Z | Cylindrical |
Characteristics
