MATCO mfg produces a superior 4 inch wheel and brake assembly for use with aircraft requiring less than 1185 lbs per wheel. This model uses 0.75 inch TAPER/ROLL bearings. (Check the product comparison table for other bearing and caliper configurations).
The W40R is a 4 inch wheel with 3.775 inch width with an additional 1.24 inch caliper spacing. Bearing spacing is 2.67 inches and axle spacing is 1.07 inches. The total weight of this wheel and brake assembly is 4.05 pounds. The bearing axle diameter is 0.75 inches.
Performance The W40R is designed for the following standards: Static Capacity: 1185 LBS Load Limit: 3560 LBS Maximum Accelerate/Stop Kinetic Energy: 93441 ft-lb Torque Rating (@450 PSI): 1540 in-lb