My guess is with yours Morris.
If this were a cast iron Sedgwick or better, one bearing would be standard type and the other self aligning. Maybe this has two standard bearings and the O rings just accommodate all the alignment errors inherent in the castings and pressed steel chassis.
If this were a cast iron Sedgwick or better, one bearing would be standard type and the other self aligning. Maybe this has two standard bearings and the O rings just accommodate all the alignment errors inherent in the castings and pressed steel chassis.