Round R50642X 42 Spindle & 8-6.5" Bolt Circle 9/16" Trailer Hub - R54242865LB1E-916

The SOUTHWEST WHEEL® Round R50642X 42 Spindle & 8-6.5" Bolt Circle 9/16" Trailer Hub (Part #R54242865LB1E-916) is a heavy-duty hub and spindle assembly built for higher capacity trailers. This complete unit combines a precision round 42 spindle with a robust 8-6.5" bolt circle hub using 9/16" studs, making it ideal for demanding trailer applications.

Key Features

• Part Number: R54242865LB1E-916
• Brand: SOUTHWEST WHEEL®
• Spindle Type: Round R50642X 42 Spindle
• Bolt Circle: 8-6.5"
• Studs: 8 x 9/16"-20 (heavy-duty)
• Bearings: 25580 Inner & 14125A Outer
• Contents: Hub, inner bearing, outer bearing, seal, grease cap & lug nuts
• Spindle Dimensions: Width = 2 1/4", Length = 6", Overall Length = 11 1/16"
• Capacity: 5,000 lbs. (pair)
• Hub Style: Pre-raced & pre-studded
• Quality: Precision manufactured for reliable performance

This hub and spindle combination offers excellent strength and durability for tandem axle trailers, equipment haulers, and heavy cargo trailers. The 9/16" studs provide superior clamping force and security under heavy loads, while the round 42 spindle ensures smooth rotation and long service life.

Questions about this SOUTHWEST WHEEL® hub and spindle assembly or compatibility with your axle? Call our trailer experts at 1-800-866-3336.

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