4" Heavy Duty Caster Wheel 441 Lbs Fixed - TPR - Top Plate Mount Inner Diameter - 2 15/16 inch (2.9375") The 311KDD is a heavy-duty

The 311KDD is a heavy-duty deep groove ball bearing designed for high-load applications

Inner Diameter Outer Diameter Width 12mm 24mm 6mm

Ball Bearings for Nitro Elements Snowmobile

Basic load ratings Cr: 201

LME25AUU NB Bearing

4" Heavy Duty Caster Wheel 441 Lbs Fixed - TPR - Top Plate Mount Inner Diameter - 2 15/16 inch (2.9375") The 311KDD is a heavy-duty4" Inch Caster Wheel 441 pounds Fixed Thermoplastic Rubber Top Plate VXB005100BTPRF Heavy Duty Wheel Diameter= 100mm Wheel Width= 50mm Wheel Diameter= 4" Inch = 100mm Overall Height= 142mm Overall Height Inch= 5. 591" Mounting Type= Top Plate Top Plate Size= 100mm x 115mm Hole distance= 75mm x 85mm Wheel Core= Thermoplastic Rubber Tire= Thermoplastic Rubber Bearing type= Double ball beaing Load Capacity= 441 lb Mounting= Fixed Temperature Range= 40 to