型號 主要尺寸(mm) d
in d
mm D
in D
mm B
in SR10-ZZ     ?5/8 15.875 1-3/8 34.925 0.3437 SR12-ZZ     3/4 19.050 1-5/8 41.275 0.4374 SR14-ZZ     7/8 22.225 1-7/8 47.625 0.5000 SR16-ZZ     1 25.400 2 50.800 0.5000 SR18-ZZ     1-1/8 28.575 2-1/8 53.975 0.5000 SR20-ZZ     1-1/4 31.750 2-1/4 57.150 0.5000 SR22-ZZ     1-3/8 34.925 2-1/2 63.500 0.5626 SR24-ZZ     1-1/2 38.100 2-5/8 66.675 0.5626 SR8-ZZ     1/2 12.700 1-1/8 28.575 0.3126