6" x 3" Semi-Steel Wheel Swivel Caster - 2400 lbs. capacity

6" x 3" Semi-Steel Wheel Swivel Caster Semi-Steel offers a strong, durable, cost effective solution of heavy loads. Hard tread rolls easily and offers high abrasion resistance. Tread face is precisely machined for a smooth, centrical ride, tread edge is machined round. Tread & Core: Steel Alloy Bearing: Roller Bearing  Rig: Forged steel swivel caster, 4-1/2" x 6-1/4" mounting plate Capacity: 2,400 Lbs.  Color: Silver Hardness: Brinell 145 Tensile Strength: 30,000 PSI Temperature Range: -45° F to 600° F Load Capacity  2,400 Lbs. Wheel Diameter  6" Tread Width 3" Tread Type  Steel Alloy  Core Type  Steel Alloy  Bearing Type  Roller Bearing  Wheel Color  Silver  Overall Height  7-1/2"  Swivel Radius 5-1/2" Plate Size  4-1/2" x 6-1/4"  Bolt Hole Pattern  2-7/16 x 4-15/16" slotted to 3-3/8" x 5-1/4" Bolt Hole Diameter  1/2"  Tensile Strength  30,000 PSI Temperature Range  -45° F to 600° F