It is a V-Grove wheel with ball bearings and is made from steel
The MSX150/SP-TB castor frame is a extra heavy duty swivel plate type with a brake
The BSR50/SH castor frame is a swivel bolt hole type
The wheel is a clear urethane wheel which is aesthetically pleasing and best suited to indoor applications
MXAU150/P Castor has a heavy duty pressed steel frame - zinc plated
200mm Nylon Pallet Truck Wheel - PTN Series Puncture Proof It is a V-Grove wheelHigh Quality Nylon Steering Wheels for Pallet Trucks Made from high quality Nylon 6 these wheels deliver excellent wear resistance, impact strength, and durability, ensuring they handle heavy loads and frequent use with ease. Each wheel is fitted with sealed ball bearings, providing quiet, effortless steering while keeping out dust, dirt, and moisture for maintenance free operation. Key Features: Smooth, quiet steering under heavy loads Tough, durable