The Black Painted Trailer Axle Beam is 87.25" long and made with 1/4" Steel Wall Thickness, it measures 2 3/8" in diameter, and fits the included #84 accu-lube Spindles. This Kit also includes the necessary spindle hardware (Washer, Castle Nut, and cotter pin).
The Tapered Spindle design of this 3,500lb Axle has the following features:
Inner Bearing Surface: 1 3/8" ( Accommodates a 68149 Bearing Number)
Outer Bearing Surface: 1 1/6" ( Accommodates 44649 Bearing Number)
Grease Seal: 1.72" Grease Seal Surface