Classification of wheels and castors
Classifications
- Classification of wheels and castors
- Load capacity of wheels and castors
- Characteristics of specific bearing types
- Characteristics of tire or tread of wheel
- High temperature resistance
- Chemical resistance
- Protective plating
- Protection against dirt
- Wheel colours
- Spare parts
- Wheel - Maintenance
- Symbols
Symbols
Wheel without fastening arms
 Rubber |
 Antistatic |
 Polyurethane |
 Without tire |
 Wheel diameter Φ |
 Tread width |
 Bore |
 Hub length |
 Wieght |
Swivel castor
 Top plate |
 Stem fitting |
 Fixing hole |
 Dual mode break |
 Wheel brake |
 Dual mode break |
 Top plate size |
 Bolt hole spacing |
 Bore size |
 Stem size |
 Base width |
 Attaching bolt size |
 Offset |
 Total height |
 Unit weight |
Fixed castor
 Top plate |
 Top plate size |
 Bolt hole spacing |
 Bore size |
 Total height |
 Unit weight |
Furniture wheels and castors
 Twin wheel castor |
 Roller castor |
 Top plate size |
 Bolt hole size |
 Bore size |
 Stem and circlip |
 Metal socket |
 Plastic socket |
 Threaded stem |
Bearings and load capacity
 Plain bearing |
 Roller bearing |
 Baal bearing |
 Load capacity |
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