4" x 1-1/2" High Temp Nylon Ball Bearing Wheel Rigid Caster, 4" x 4-1/2" Plate - 300 lbs Capacity

These casters are designed for high heat environments and feature glass-filled nylon wheels that resist oils, greases, and chemicals. They are NSF and RoHS certified.

• The description claims the wheels offer better impact resistance than high temp epoxy and phenolic wheels.
• The description claims the wheels live twice as long as high temp epoxy wheels and nearly three times more resistant to abrasion.
• The description claims the wheels can handle temperatures up to 475°F continuously and 525°F intermittently.