Welcome to Wafangdian Dajiang Bearing Manufacturing Co., Ltd
Model：638/4-2Z
Old Model：
Type：Deep Groove Ball Bearing
d：4
D：9
B：4
| Principal dimensions mm | |
| d | 4 |
| D | 9 |
| B | 4 |
| Basic load ratings KN | |
| dyc Cr | 0.54 |
| stc Cor | 0.18 |
| Speed ratings rpm | |
| Speed Ratings | 140000 |
| Limiting Speed 1) | 70000 |
| Designation | |
| With Seals on Both Sides | 638/4-2Z |
| With Seals on One Side | - |
| Dimansion mm | |
| d | 4 |
| d1 ～ | 5.2 |
| d2 ～ | - |
| D2 ～ | 7.8 |
| r 1,2 Min | 0.1 |
| Abutment and fillet dimensions mm | |
| d a Min | 4.6 |
| d a Max | - |
| Da Max | 8.4 |
| r a Max | 0.1 |
| Calculation coefficient | |
| k r | 0.015 |
| fo | 10 |
| Pu | |
| Pu | 0.007 |
| Mass kg | |
| Weight kg | 0.0013 |
Wafangdian Dajiang Bearing Manufacturing Co., Ltdspecializes in selling 638/4-2Z-Deep Groove Ball Bearing，Relevant information of 638/4-2Z-Deep Groove Ball Bearing includes： Designation: 638/4-2Z d:4 D:9 B:4 Brand: Type:Deep Groove Ball Bearing ，Want to know more about 638/4-2Z-Deep Groove Ball Bearing You can consult online or call the hotline, we will provide you with detailed service.
638/4-2Z-Deep Groove Ball Bearing is widely used.638/4-2Z-Deep Groove Ball Bearing is mainly used in construction machinery, machine tools, automobiles, metallurgy, mines, petroleum, machinery, electric power, railways and other industries. The price of 638/4-2Z-Deep Groove Ball Bearing sold by the company is reasonable, the quality is guaranteed, the service in all aspects is provided, and the customer's demand is satisfied.
Wafangdian Dajiang Bearing Manufacturing Co., Ltd
Phone：86+13504116168( Manager zhang )
Tel：86+0411-39105098
Address：Sun office, Wafangdian City, Dalian, Liaoning Province
遼公網(wǎng)安備 21028102000153號
