One-Way Overrunning Clutch

For original equipment manufacturers and plant operation.
Simple, rugged construction of Lowell roller clutches make them easy to integrate into a variety of new machine designs and plant operation retrofits. Applications include to protect equipment and material, to select speed or power source, to produce or alter motion, and to prevent motion.

ImagePart NumberStandard BoresTorque RatingOverrunning SpeedABCDEFGHhf:att:pa_standard-boreshf:att:pa_torque-ratinghf:att:pa_overrunning-speedhf:att:pa_ahf:att:pa_bhf:att:pa_chf:att:pa_dhf:att:pa_ehf:att:pa_fhf:att:pa_ghf:att:pa_h
Overrunning Clutch
OR51/4", 3/8", 1/2"5 lb/ft1800 RPM1-5/8"1-15/16"13/16"7/16"3/16" X 3/32"7/8"41/64"1-1/16"1-4 3-8 1-25-lb-ft1800-rpm1-5-81-15-1613-167-163-16-x-3-327-841-641-1-16
Overrunning Clutch
OR143/8", 1/2", 5/8"14 lb/ft1800 RPM2"2-1/8"1"9/16"3/16 X 3/321-1/4"41/64"1-3/16"3-8 1-2 5-814-lb-ft1800-rpm22-1-819-163-16-x-3-32-21-1-441-641-3-16
Overrunning Clutch
OR285/8", 3/4", 7/8"28 lb/ft1500 RPM2-5/8"2-23/32"1-5/16"15/16"3/16" X 3/32"1-3/8"49/64"1-3/4"5-8 3-4 7-828-lb-ft1500-rpm2-5-82-23-321-5-1615-163-16-x-3-321-3-849-641-3-4
Overrunning Clutch
OR1003/4", 7/8", 1"100 lb/ft1000 RPM3-3/8"3-1/16"1-7/16"1"1/4" X 1/8"1-3/4"1-1/64"1-3/4"3-4 7-8 1100-lb-ft1000-rpm3-3-83-1-161-7-1611-4-x-1-81-3-41-1-641-3-4
Overrunning Clutch
ORB1003/4", 7/8", 1", 1-1/8", 1-1/4"100 lb/ft1000 RPM3-5/8"3-11/32"1-1/2"13/16"3/8" X 3/16"2-1/4"1-1/64"2"3-4 7-8 1 1-1-8 1-1-4100-lb-ft1000-rpm3-5-83-11-321-1-213-163-8-x-3-162-1-41-1-642
Overrunning Clutch
ORB2001-1/2", 1-3/4", 2"200 lb/ft800 RPM4-1/2"4-1/2"2-1/16"1-5/16"3/8" X 3/16"3"1-39/64"2-1/2"1-1-2 1-3-4 2200-lb-ft800-rpm4-1-24-1-22-1-161-5-163-8-x-3-1631-39-642-1-2
Overrunning Clutch
ORB5002-1/4", 2-1/2", 2-3/4"500 lb/ft600 RPM6"5-5/32"2-1/2"2"1/2" X 1/4"4-1/2"1-25/32"3"2-1-4 2-1-2 2-3-4500-lb-ft600-rpm65-5-322-1-221-2-x-1-44-1-21-25-323