Service Caster Series #92 12 inch extra heavy duty kingpinless swivel caster with polyurethane tread on metal core wheel. Kingpinless design increases caster durability and integrity. Hot forged ASTM1045 steel design eliminates problems associated with kingpin failure due to severe shock loading. Top plate and inner raceway are integrally forged construction. 1/2" diameter HRC45 steel ball bearings absorb thrust and load in severe environments. 4 Position notches to accept 4-position locks. Quality casters featuring zinc plating and grease fittings.
Wheel size: 12" x 4"
Capacity: 6,300 lbs
Top plate size: 6-1/4" x 7-5/8"
Bolt hole dimensions: 4-1/2" x 6"
Bolt size: 1/2" (hardware not included)
Mounting Height: 15-1/2"
Wheel rotates on tapered roller bearings (Use for manual speeds; 3 mph.)
Wheel tread hardness: 95 Shore (A) Durometer