This standard specifies the boundary dimensions of such Self-aligning roller bearings with boundary dimensions meeting "Rolling Bearings-Radial Bearings-Boundary Dimensions" (GB 273.3) and of such Self-aligning roller bearings mounted on adapter sleeves.
This standard is applicable to Self-aligning roller bearings.
2 Normative References
GB 273.3 Rolling Bearings-Radial Bearings-Boundary Dimensions
GB 9160.1 Rolling bearings - Accessories - Adapter Sleeves - Basic Dimensions