Time：2025-09-28
Edit：JFU Bearing 
HR31311J
HR31311J
| ORDER Bearing No. |
HR31311J | |
| SD Inside Diameter |
55 | mm |
| D Outside Diameter |
120 | mm |
| T Width |
31.5 | mm |
| B Width |
29 | mm |
| C Width |
21 | mm |
| R Chamfer Dimension |
2.5 | mm |
| R1 Chamfer Dimension |
2 | mm |
| CR1 Basic Dynamic Load Ratings |
131000 | N |
| COR1 Basic Static Load Ratings |
153000 | N |
| CR2 Basic Dynamic Load Ratings |
13400 | kgf |
| COR2 Basic Static Load Ratings |
15600 | kgf |
| LG Limiting Speed Grease |
2800 | rpm |
| LO Limiting Speed Oil |
4000 | rpm |
| ISO ISO355 Dimension Series approx. |
7FB | |
| DA1 Abutment and Fillet Dimensions min. |
75 | mm |
| DB1 Abutment and Fillet Dimensions max. |
67 | mm |
| DA2 Abutment and Fillet Dimensions max. |
110 | mm |
| DA3 Abutment and Fillet Dimensions min. |
94 | mm |
| DB2 Abutment and Fillet Dimensions min. |
114 | mm |
| SA Abutment and Fillet Dimensions min. |
4 | mm |
| SB Abutment and Fillet Dimensions min. |
10.5 | mm |
| RA Abutment and Fillet Dimensions min. |
2 | mm |
| RA1 Abutment and Fillet Dimensions max. |
2 | mm |
| A Eff. Load centers |
37 | mm |
| E Constant |
0.83 | |
| Y1 Axial load factors |
0.73 | |
| Y0 Axial load factors |
0.4 | |
| MASS Mass |
1.58 | kg |
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