Service Caster Series #30 kingpinless swivel caster with non-marking 4 inch solid blue polyurethane wheel and brake. Kingpinless design increases caster durability and integrity.
Wheel size: 4" x 2"
Capacity: 750 lbs
Top plate size: 4" x 4-1/2"
Bolt hole dimensions: 2-5/8" x 3-5/8" to 3" x 3"
Bolt size: 3/8" (hardware not included)
Mounting Height: 5-5/8"
Wheel rotates on Roller Bearings (Use for manual speeds; 3 mph.)
Wheel hardness: 60 - 65 Shore (D) Durometer
Quality casters featuring bright zinc plating, 1/2" diameter axle bolt and grease fittings. Machined forged steel dual ball bearing raceway absorbs load and thrust in a radial direction, which provides superior shock loading capabilities. This unique design eliminates problems associated with kingpin failure due to severe shock loading. 4 Position notches to accept 4-position locks (locks sold separately). Ideal for industrial and commercial equipment, platform trucks, shop floors, warehouse carts and freight terminals.