The PU5555-31 by Richmond Rolling Solutions is a 125mm diameter polyurethane tyred nylon wheel with a top load capacity of 100kg and has a tyre width of 27mm. The following Richmond castors use this wheel (not necessarily with the same axle diameter)
Product Name : 125mm Wheel
DIAMETER(mm): 125mm
TYRE WIDTH(mm): 27
BOSS WIDTH(mm): 40
AXLE DIAMETER: 3/8 inch (9.52mm)
BEARING TYPE: Ball Bearing
LOAD CAPACITY(kg): 100/80
WHEEL CODE: PU5555-37
The PU5555-37 from Richmond Rol