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美國
09:04:15 GMT+0000 (Coordinated Universal Time)
產品資訊
公制
英制
主要尺寸和性能資料
| d1 | 300 mm | Bore Diameter |
0.005 mm | Bore diameter upper tolerance | |
-0.027 mm | Bore diameter lower tolerance | |
| Da | 380 mm | Outside Diameter |
0 mm | 外徑，上偏差 | |
-0.036 mm | 外徑，下偏差 | |
| H | 38 mm | Height of the assembled bearing |
| hi | 38 mm | Heigth inner ring |
0.14 mm | 寬度，上偏差 | |
-0.14 mm | 寬度，下偏差 | |
| ≈m | 11.7 kg | 重量 |
尺寸
| Di | 340.8 mm | Inner diameter outer ring |
| DM | 340 mm | Rolling element pitch circle diameter |
| da | 339.2 mm | Outer diameter inner ring |
| h | 38 mm | Height of individual ring |
0 mm | Height of individual ring upper tolerance | |
-0.05 mm | Height of individual ring lower tolerance | |
| rmin | 2.1 mm | Chamfer dimension |
| S | 2.5 mm | Diameter of lubrication hole |
溫度範圍
| Tmin | -30 °C | 最低工作溫度 |
| Tmax | 80 °C | 最高工作溫度 |
計算因素
0.02 mm | Running accuracy, radial | |
0.01 mm | Running accuracy, axial | |
| VSPmin | 0.005 mm | Minimum bearing preload |
| VSPmax | 0.025 mm | Maximum bearing preload |
| Ca | 245,000 N | 基本額定動載荷, 軸向 |
| C0a | 990,000 N | Basic static load rating, axial |
| Cr | 174,000 N | Basic dynamic load rating, radial (for radial load only) |
| C0r | 485,000 N | Basic static load rating, radial (for radial load only) |
| NG oil | 225 1/min | Limiting speed for oil lubrication with preload |
| NG Grease | 110 1/min | Limiting speed for grease lubrication with preload |
61860 | Dimensions identical to ISO dimension series 18 |
