3” 10 Bearings steel roller
4” Stem ( working length = 3 1/4” )
Bulged shoulder
Rating : 150-lb load @ 50,000 – 12’ door cycles
Hardened races
3” 10 Bearings steel roller
4” Stem ( working length = 3 1/4” )
Bulged shoulder
Rating : 150-lb load @ 50,000 – 12’ door cycles
Hardened races