NSK 21312EAKE4C3S11軸承
| 尺寸參數(shù)(mm) | ||
| d | 60 | 內(nèi)徑 |
| D | 130 | 外徑 |
| B | 31 | 厚度 |
| r(min) | 2.1 | 倒角尺寸 |
| 基本額定載荷(N) | ||
| Co | 238 000 | 靜載荷 |
| Cor | 244 000 | 動載荷 |
| 極限轉速(min-1) | ||
| Grease | 3 800 | 脂潤滑 |
| Oil | 4 800 | 油潤滑 |
| 橋臺和圓角尺寸(mm) | ||
| da(min) | 72 | |
| da(max) | 87 | |
| Da(max) | 118 | |
| Da(min) | 117 | |
| ra(max) | 2 | |
| 常數(shù) | ||
| e | 0.22 | |
| 軸向載荷系數(shù) | ||
| Y2 | 4.5 | |
| Y3 | 3 | |
| Y0 | 3 | |
