40 Series lager 47mm. 1 stk ZN 40 lager. 45grader x 45grader Bearing Compatibility EC30 will take a 38mm bearing EC34 will take a 41mm bearing ZS44 will take a 41mm bearing ZS49 will take a 41mm bearing EC44/40 will take a 52mm bearing EC44/33 will take a 47mm bearing EC49 will take a 52mm bearing ZS56 will take a 52mm bearing ZS62 will take a 52mm bearing IS41 will take a 41mm bearing IS42 will take a 42mm bearing IS47 will take a 47mm bearing IS52 will take a 52mm bearing