Natebon 71821ACDGA/P4 bearing code description
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Natebon 71821ACDGA/P4 bearing
Natebon 71821ACDGA/P4 bearing 尺寸
| 孔径 |
d |
4.134in |
| 外径 |
D |
5.118in |
| 宽度 |
B |
0.512in |
| 内圈挡边直径(大端面) |
d1 |
4.457in |
| 内圈挡边直径(小端面) |
d2 |
4.457in |
| 外圈挡边直径(大端面) |
D1 |
4.803in |
| 倒角尺寸 |
r1,2 |
0.039in |
| 倒角尺寸 |
r3,4 |
0.012in |
| 端面到压力点的距离 |
a |
1.339in |
Natebon 71821ACDGA/P4 bearing 挡肩尺寸
| 轴挡肩直径 |
da |
4.315in |
| 轴挡肩直径 |
db |
4.315in |
| 轴承座挡肩直径 |
Da |
4.937in |
| 轴承座挡肩直径 |
Db |
5.039in |
| 圆角半径 |
ra |
0.039in |
| 圆角半径 |
rb |
0.012in |
| 喷油嘴位置 |
dn |
4.512in |
Natebon 71821ACDGA/P4 bearing 数据计算
| 基本额定动荷 |
4856lbf |
| 基本额定静负荷 |
6407lbf |
| 疲劳载荷限值 |
247lbf |
| Attainable speeds |
|
|
| 接触角 |
25° |
| 球径 |
0.281in |
| 滚动体列数 |
1 |
| 钢球数量(每轴承) |
35 |
| 参考润滑脂量(每轴承) |
0.2441in³ |
Natebon 71821ACDGA/P4 bearing 重量