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Industrial Grade Rotor Nut Motors 23 Family Size - U Series

Individual Motor Specifications

Model Number U21-RN U22-RN U23-RN
Drawing Number list list list
Motor U21 U22 U23
Pricing U21-RN U22-RN U23-RN
Maximum Linear Force (lbs) 75 140 210
Standard screw length (in.) 6 6 6
Max. Compression
Length(in){1 end fixed}		 10.2 7.4 6.1
Max. Compression
Length(in){2 ends fixed}		 28.0 20.5 16.7
Lead (in. per rev.) 0.125 0.125 0.125
Accuracy (in. per in.) 0.006 0.006 0.006
Backlash (in.) 0.007 0.007 0.007
Screw Thread 1/4-16, 2 starts 1/4-16, 2 starts 1/4-16, 2 starts
Screw Efficiency* 40% 40% 40%
* Lubricated Screw 50% of load Lubricated Screw 50% of load Lubricated Screw 50% of load

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