英制轴承型号对照:
R1-4zz(1.984X6.350X3.571);R133zz(2.380X4.762X2.380);R1-5zz(2.380X7.938X3.571);R144zz(3.175X6.350X2.779)
R2-5zz(3.175X7.938X3.571);R2-6zz(3.175X9.525X3.571);R2zz(3.175X9.525X3.967);R2-Azz(3.175X12.700X4.366)
R155zz(3.967X7.938X3.175);R156zz(4.762X9.525X3.175);R166zz(4.762X9.525X3.175);R3ZZ(4.762X12.700X4.978)
R168ZZ(6.350X9.525X3.175);R188zz(6.35012.700X4.762);R188开式(6.35012.700X3.175)；
R4zz(6.35015.875X4.978);R4zz(6.35019.050X7.142);R1810ZZ(7.938X12.700X3.967);
R6zz(9.525X22.225X7.142;R1212(12.70019.050X3.967)；R6zz(9.525X22.225X7.142).;R144zz(3.175X3.650X2.779)。
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