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 maneuverability - 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.