Parts Number
Inquiry
Product Information
Designations
555S/552A
Boundary Dimensions
| d | 57.15 | mm | Bore diameter |
| D | 123.825 | mm | Outside diameter |
| T | 38.1 | mm | Total width |
| B | 36.678 | mm | Width of inner ring |
| C | 30.162 | mm | Width of outer ring |
| Cup r (min.) | 3.3 | mm | Chamfer dimension of outer ring (Cup) |
| Cone r (min.) | 3.5 | mm | Chamfer dimension of inner ring (Cone) |
Basic Load Ratings
| Cr | 198000 | N | Basic dynamic load rating |
| C0r | 221000 | N | Basic static load rating |
Speeds
| Grease | 3000 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 4000 | min-1 | Oil-bath lubrication |
Abutment and Fillet Dimensions
| da | 83 | mm | Diameter of shaft abutment |
| Da | 109 | mm | Diameter of housing abutment |
| db | 68 | mm | Diameter of shaft abutment |
| Db | 116 | mm | Diameter of housing abutment |
| ra (max.) | 3.5 | mm | Radius of shaft or housing fillet of inner ring |
| ra (max.) | 3.3 | mm | Radius of shaft or housing fillet of outer ring |
Calculation factors
| e | 0.35 | Constant | |
| Y0 | 0.95 | Axial load Factors | |
| Y1 | 1.7 | Axial load Factors |
Mass
| CONE (approx.) | 1.41 | kg | |
| CUP (approx.) | 0.764 | kg |