Time：2025-09-28
Edit：JFU Bearing 
HR31308J
HR31308J
| ORDER Bearing No. |
HR31308J | |
| SD Inside Diameter |
40 | mm |
| D Outside Diameter |
90 | mm |
| T Width |
25.25 | mm |
| B Width |
23 | mm |
| C Width |
17 | mm |
| R Chamfer Dimension |
2 | mm |
| R1 Chamfer Dimension |
1.5 | mm |
| CR1 Basic Dynamic Load Ratings |
80000 | N |
| COR1 Basic Static Load Ratings |
89500 | N |
| CR2 Basic Dynamic Load Ratings |
8150 | kgf |
| COR2 Basic Static Load Ratings |
9150 | kgf |
| LG Limiting Speed Grease |
3800 | rpm |
| LO Limiting Speed Oil |
5300 | rpm |
| ISO ISO355 Dimension Series approx. |
7FB | |
| DA1 Abutment and Fillet Dimensions min. |
56 | mm |
| DB1 Abutment and Fillet Dimensions max. |
50 | mm |
| DA2 Abutment and Fillet Dimensions max. |
81 | mm |
| DA3 Abutment and Fillet Dimensions min. |
70 | mm |
| DB2 Abutment and Fillet Dimensions min. |
87 | mm |
| SA Abutment and Fillet Dimensions min. |
3 | mm |
| SB Abutment and Fillet Dimensions min. |
8 | mm |
| RA Abutment and Fillet Dimensions min. |
2 | mm |
| RA1 Abutment and Fillet Dimensions max. |
1.5 | mm |
| A Eff. Load centers |
28.7 | mm |
| E Constant |
0.83 | |
| Y1 Axial load factors |
0.73 | |
| Y0 Axial load factors |
0.4 | |
| MASS Mass |
0.728 | kg |
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