Number of Thread/Thread Direction 1/Right
BCD 12.4
Lead 5
Ball Dia. 2.381
Effective Turns(Circuit×Row) 2.5 × 1
Lead Angle 7.31
Dynamic Rate Load Ca(kgf) 380
Static Rate Load Co(kgf) 640
Axial Play 0 0.005or less
Preloading Torque(kgf-cm) 0.01~0.45 0.1or less

Model No.shaft Screw Spindle (Shaft) Length Accuracy
Grade		 Lead Accuracy 2D-CAD
(DWG)
L1 L2

L3

L4

 Accumulated referemce lead deviation E Lead Deriation in random 300mme300
1R12-05B1-1FSWC-110-180-0.008 110 125 180 10 3 0.012 0.008 cad button
1R12-05B1-1FSWC-160-230-0.008 160 175 230 10 3 0.012 0.008 cad button
1R12-05B1-1FSWC-210-280-0.008 210 225 280 10 3 0.012 0.008 cad button
1R12-05B1-1FSWC-260-330-0.008 260 275 330 10 3 0.012 0.008 cad button
1R12-05B1-1FSWC-310-380-0.008 310 325 380 10 3 0.012 0.008 cad button
1R12-05B1-1FSWC-410-480-0.008 410 425 480 10 3 0.013 0.008 cad button
1R12-05B1-1FSWC-510-580-0.008 510 525 580 10 3 0.015 0.008 cad button