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04:09:18 GMT+0000 (Coordinated Universal Time)
6221-2Z
Deep groove ball bearing
Deep groove ball bearing 62..-2Z, single row, shields, steel sheet metal cage
Replaces
6221.2Z, 6221.2ZR
Product information
Metric
Imperial
Main Dimensions & Performance Data
| d | 105 mm | Bore diameter |
| D | 190 mm | 外径 |
| B | 36 mm | 寬度 |
| Cr | 141,000 N | Basic dynamic load rating, radial |
| C0r | 105,000 N | Basic static load rating, radial |
| Cur | 5,800 N | Fatigue load limit, radial |
| nG | 4,000 1/min | Limiting speed |
| nϑr | 4,650 1/min | 参考转速 |
| ≈m | 3.99 kg | Weight |
Mounting dimensions
| da min | 117 mm | Minimum diameter shaft shoulder |
| Da max | 178 mm | Maximum diameter of housing shoulder |
| ra max | 2.1 mm | Maximum fillet radius |
Dimensions
| rmin | 2.1 mm | 最小倒角尺寸 |
| D1 | 163.28 mm | Shoulder diameter outer ring |
| D2 | 168.06 mm | 凹穴到外圈内径 |
| d1 | 131.5 mm | Shoulder diameter inner ring |
Temperature range
| Tmin | -20 °C | 最低工作温度 |
| Tmax | 120 °C | 最高工作温度 |
Calculation factors
| f0 | 14.4 | Calculation factor |