VXB004125BTPRF is a device comprising a wheel that's connected to the base of a huge object like a trailers, your home furniture, even your truck to transfer the item more quickly and readily. them.You need {Item Name} to have your office desk, equipment or even a machine to easily roll them around. The wheel diameter is 125mm or 4.921" inch in inches. The thickness of the wheel is 30mm or 1.181" inch. The caster dimensions heightwise is 155mm/6.102" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 93mm x 62mm and holes distance of 45mm x 72mm. The weehl core material is Thermoplastic Rubber and has a Thermoplastic Rubber tire with a low friction Double ball bearing. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 220 lb with a Rigid type. Temperature range is -40 to 180 F. Very important notice, you need to buy the VXB004125BTPRF in order to get one :).