Page 52 of Ball Screws by RBC Bearings

12.5 rb series inch external ball return optional flange high helix ­ large lead continued a j a 30° cbfbhgdedg fig 1 fig 2 model no rb0701a-b rb0702a-b rb1001a-b rb1020a-c rb1520e-f-g-h rb2001a-b-c-d rb2020e-f-g-h fig no 2 2 1 1 1 2 2 a 0.907 0.907 0.972 0.972 1.370 2.057 2.257 b 0.523 0.523 0.972 0.972 1.370 1.187 1.187 c 1.047 1.047 2.375 2.375 d 0.281 0.281 0.281 0.281 0.531 0.531 0.531 e 0.530 0.530 0.660 0.660 0.780 1.031 1.031 f 2.60 2.60 3.25 3.25 4.62 5.62 5.62 g 1.250-16 1.250-16 1.500-16 1.500-16 2.125-16 2.625-16 2.625-16 h 0.04 0.04 0.04 0.04 0.04 0.06 0.06 j .192 185 .192 185 .256 247 .256 247 .319 308 .383 370 .383 370 dimensions in inches unless specified 52

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