Model：644
Old Model：
Type：Tapered Roller Bearing
d：71.438
D：136.525
B：41.275
TEL：86-13400023945
| Boundary dimensions | |
| d | 71.438 |
| D | 136.525 |
| T | 41.275 |
| B | 41.275 |
| C | 31.750 |
| Inner ring r (Min) | 3.5 |
| Outer ring r (Min) | 3.3 |
| Rated load | |
| (N) Cr | 195000 |
| (N) Cor | 263000 |
| {kgf} Cr | 19800 |
| {kgf} Cor | 26800 |
| Speed ratings(rpm) | |
| Grease | 2800 |
| Oil | 3800 |
| Bearing No. | |
| Inner ring | 644 |
| Outer ring | 632 |
| Fitting dimensions (mm) | |
| d a | 87 |
| d b | 81 |
| Da | 118 |
| Db | 125 |
| Inner ring r a (Max) | 3.5 |
| Outer ring r a (Max) | 3.3 |
| Function Point(mm) | |
| a | 29.9 |
| Value | |
| e | 0.36 |
| Axial load factor | |
| Y 1 | 1.7 |
| Y o | 0.91 |
| Mass(kg)(reference) | |
| Inner ring | 1.5 |
| Outer ring | 1.04 |
Chenxin International Industry Co., Ltdspecializes in selling 644-Tapered Roller Bearing，Relevant information of -644-Tapered Roller Bearing includes： Designation: 644 d:71.438 D:136.525 B:41.275 Type:Tapered Roller Bearing ，Want to know more about 644-Tapered Roller Bearing You can consult online or call the hotline, we will provide you with detailed service.
644-Tapered Roller Bearing is widely used.644-Tapered Roller Bearing is mainly used in construction machinery, machine tools, automobiles, metallurgy, mines, petroleum, machinery, electric power, railways and other industries. The price of 644-Tapered Roller 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.
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