Castor Wheels
To order the correct castor wheel size, select the wheel diameter, bore size and hub length in millimetres. Castor wheels are also commonly known as trolley wheels when they are used within castors fitted to trolleys.Read more about castor wheels and trolley wheels

- A = Wheel Diameter
- B = Tread Width
- C = Bore Size
- D = Hub Length
Castor wheels are commonly used as replacement wheels for existing castor housings or fitted directly to trolleys, carts and transport equipment. When fitted as part of a castor on a trolley, these wheels are often referred to as trolley wheels.
Keystone Castors stocks one of the UK’s largest ranges of industrial castor wheels and trolley wheels, with options covering wheel diameter, tread width, hub length, wheel material, bearing type and bore size.
Our range includes light-duty and heavy-duty wheels in:
• Nylon
• Polypropylene
• Cast Iron
• Rubber Tyres
• Polyurethane Tyres
Wheel sizes range from small 50mm wheels through to large 300mm industrial wheels, with extensive stock available for immediate dispatch.
Trusted since 1929, Keystone Castors combines technical expertise, large UK stockholding and experienced customer support to help customers select the correct wheel for their application.
Suitable applications include material handling trolleys, industrial carts, sack trucks, dollies, transport platforms, pneumatic wheel applications, V-groove rail wheels, flange rail wheels and drive wheels.
Common wheel size conversions include:
• 2 Inch / 2″ = 50mm
• 3 Inch / 3″ = 75mm or 80mm
• 4 Inch / 4″ = 100mm
• 5 Inch / 5″ = 125mm
• 6 Inch / 6″ = 150mm or 160mm
• 8 Inch / 8″ = 200mm
• 10 Inch / 10″ = 250mm















