4-Pack 1 1/4 Inch Semi-Steel Swivel Casters with Top Lock Brake - 300 lbs Capacity - Heavy Duty Wheels for Furniture, Carts, and Industrial Equipment

4" x 1-1/4" Semi-Steel Wheel Swivel Caster with Top Lock Brake

Semi-Steel offers a strong, durable, cost-effective solution for heavy loads. Hard tread rolls easily and offers high abrasion resistance. The Tread face is precisely machined for a smooth, centrical ride, tread edge is machined round.

Tread & Core: Steel Alloy

Bearing: Plain Bore

Rig: Zinc-Plated Rigid Rig With Swivel Dust Cap, 2-3/8" x 3-5/8" Mounting Plate, Top Lock Brake

• Capacity: 300 Lbs.
• Hardness: Brinell 145
• Tensile Strength of 30,000 PSI
• Temperature Range: -45° F to 600° F