Time：2025-09-28
Edit：JFU Bearing 
HR31305J
HR31305J
| ORDER Bearing No. |
HR31305J | |
| SD Inside Diameter |
25 | mm |
| D Outside Diameter |
62 | mm |
| T Width |
18.25 | mm |
| B Width |
17 | mm |
| C Width |
13 | mm |
| R Chamfer Dimension |
1.5 | mm |
| R1 Chamfer Dimension |
1.5 | mm |
| CR1 Basic Dynamic Load Ratings |
38000 | N |
| COR1 Basic Static Load Ratings |
40500 | N |
| CR2 Basic Dynamic Load Ratings |
3900 | kgf |
| COR2 Basic Static Load Ratings |
4100 | kgf |
| LG Limiting Speed Grease |
5600 | rpm |
| LO Limiting Speed Oil |
8000 | rpm |
| ISO ISO355 Dimension Series approx. |
7FB | |
| DA1 Abutment and Fillet Dimensions min. |
39 | mm |
| DB1 Abutment and Fillet Dimensions max. |
33 | mm |
| DA2 Abutment and Fillet Dimensions max. |
53 | mm |
| DA3 Abutment and Fillet Dimensions min. |
47 | mm |
| DB2 Abutment and Fillet Dimensions min. |
59 | mm |
| SA Abutment and Fillet Dimensions min. |
3 | mm |
| SB Abutment and Fillet Dimensions min. |
5 | mm |
| RA Abutment and Fillet Dimensions min. |
1.5 | mm |
| RA1 Abutment and Fillet Dimensions max. |
1.5 | mm |
| A Eff. Load centers |
19.9 | mm |
| E Constant |
0.83 | |
| Y1 Axial load factors |
0.73 | |
| Y0 Axial load factors |
0.4 | |
| MASS Mass |
0.265 | kg |
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