Capacities from 680 to 3,500 pounds.
FEATURES & BENEFITS
Top Plate - AISI 1045 drop forged steel, for strength and reliability.
Yoke Base - AISI 1045 drop forged steel with machined raceway for extended service life.
Swivel Load Bearing - 4" diameter deep-grooved load raceway with 1/2" steel balls for better load distribution. The thrust race is 2-5/8" diameter using 3/8" diameter steel balls for increased capacity.
Legs - 3/8" x 3" steel plate welded inside and out for added strength.
King Bolt - 1" diameter bolt and nut heat treated for extended service.
Axle - 3/4" and 1" hollow axles are used for wheel bearing lubrication.
Spanner Bushing - Hardened and ground to provide precision inner race for roller bearing wheel.
Lubrication - Zerk fitting in yoke base and in wheel hub or recessed in head of hollow axle.
Finish - All rigs are zinc plated for corrosion resistance