Muvtons drop forged wheels are hot forged from alloy steels and can be used in the roughest of applications on the poorest of floors. These are virtually in-destructible within their capacity range. Tread faces are fully machined for easy maneuvrability - these wheels offer high abrasion and oil resistance. Wheel bearing options: sealed precision ball bearings, tapered roller bearings or roller bearings. Temperature range:-100° c to +600° c.