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加入詢價
加入詢價
主要尺寸與性能資料
| d1 | 240 mm | 內徑 |
0.005 mm | 內徑公差上限 | |
-0.024 mm | 內徑公差下限 | |
| Da | 300 mm | 外徑 |
0 mm | 外徑，公差上限 | |
-0.032 mm | 外徑公差下限 | |
| H | 28 mm | Height of the assembled bearing |
| hi | 28 mm | heigth inner ring |
0.1 mm | 寬度上限公差 | |
-0.1 mm | 寬度下限公差 | |
| ≈m | 4.965 kg | 重量 |
尺寸
| Di | 270.8 mm | 外圈內徑 |
| DM | 270 mm | rolling element pitch circle diameter |
| da | 269.2 mm | 外徑 inner ring |
| h | 28 mm | height of individual ring |
0 mm | Height of individual ring 公差上限 | |
-0.025 mm | Height of individual ring 較低的公差 | |
| rmin | 2 mm | chamfer dimension |
| S | 2 mm | diameter of lubrication hole |
溫度範圍
| Tmin | -30 °C | 最低工作溫度 |
| Tmax | 80 °C | 最高操作溫度 |
計算參數s
0.02 mm | Running accuracy, radial | |
0.01 mm | Running accuracy, axial | |
| Sr min | 0.01 mm | Minimum radial bearing clearance, at standard bearing clearance |
| Sr max | 0.03 mm | Maximum radial bearing clearance, at standard bearing clearance |
| Sk min | 0.02 mm | Minimum axial tilting clearance, at standard bearing clearance |
| Sk max | 0.06 mm | Maximum axial tilting clearance, at standard bearing clearance |
| RLOmax | 0.005 mm | Low clearance: 徑向間隙 |
| RLOmax | 0.01 mm | Low clearance: Preload |
| VSPmin | 0.005 mm | Minimum bearing preload |
| VSPmax | 0.025 mm | Maximum bearing preload |
| Ca | 149,000 N | 基本額定動載荷，軸向 |
| C0a | 600,000 N | 基本額定靜態載荷，軸向 |
| Cr | 106,000 N | 基本額定動載荷，徑向（僅適用於徑向載荷） |
| C0r | 295,000 N | 基本額定靜態負荷，徑向（僅適用於徑向負荷） |
| NG oil | 565 1/min | 油潤滑極限轉速 with normal clearance |
| NG Grease | 280 1/min | 脂潤滑的極限轉度 with normal clearance |
| NG oil | 280 1/min | 油潤滑極限轉速 with preload |
| NG Grease | 140 1/min | 脂潤滑的極限轉度 with preload |
61848 | Dimensions identical to ISO dimension series 18 |