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Main Dimensions & Performance Data
| d | 12 mm | Bore diameter |
| D | 21 mm | Outside diameter |
| B | 5 mm | Width |
| Cr | 1,920 N | Basic dynamic load rating, radial |
| C0r | 1,040 N | Basic static load rating, radial |
| Cur | 47.5 N | Fatigue load limit, radial |
| nG | 50,000 1/min | Limiting speed |
| nϑr | 23,500 1/min | Reference speed |
| ≈m | 0.007 kg | Weight |
Mounting dimensions
| da min | 14 mm | Minimum diameter shaft shoulder |
| Da max | 19 mm | Maximum diameter of housing shoulder |
| ra max | 0.3 mm | Maximum fillet radius |
Dimensions
| rmin | 0.3 mm | Minimum chamfer dimension |
| D1 | 18.3 mm | Shoulder diameter outer ring |
| d1 | 14.8 mm | Shoulder diameter inner ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Calculation factors
| f0 | 15.3 | Calculation factor |
Your current product variant
| Logistical code | HLC | - |
| 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 |
| Bore type | Z | Cylindrical |
| Radial internal clearance | CN (Group N) | Normal internal clearance |