Specifications: Type: #84 Capacity: 1,750 lb Style: Square Spindle Round Corner A= Shaft Diameter: 1.5 in B= Shank Length: 3.375 in C= Overall Length: 8.25 in Inner Bearing: 1.375 in Outer Bearing: 1.063 in Seal Area: 1.72 in Additional Information: Spindle Assembly includes the spindle, brake flange castle nut, washer, and cotter pin.