Number of Thread/Thread Direction 1/Right
BCD 25.4
Lead 4
Ball Dia. 2.381
Effective Turns(Circuit×Row) 2.5 × 2
Lead Angle 2.87
Dynamic Rate Load Ca(kgf) 930
Static Rate Load Co(kgf) 2710
Axial Play 0
Preloading Torque(kgf-cm) 0.15~0.85

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
1R25-04B2-1FSWC-220-383-0.018 220 250 383 10 5 0.023 0.018 cad button
1R25-04B2-1FSWC-270-433-0.018 270 300 433 10 5 0.023 0.018 cad button
1R25-04B2-1FSWC-370-533-0.018 370 400 533 15 5 0.025 0.018 cad button
1R25-04B2-1FSWC-470-633-0.018 470 500 633 15 5 0.027 0.018 cad button
1R25-04B2-1FSWC-570-733-0.018 570 600 733 15 5 0.030 0.018 cad button
1R25-04B2-1FSWC-770-933-0.018 770 800 933 10 5 0.035 0.018 cad button