Bearing Kit – 5.2K Axle, #42 Spindle with Spindle Hardware

The Trailer Parts Pro 5.2K Bearing Kit is a complete, retail-packaged solution designed for 5,200 lb trailer axles with #42 spindles. This premium kit includes all essential bearings, races, seals, washers, and spindle hardware — providing everything needed for a smooth, reliable hub rebuild or maintenance job.

Each component is precision-engineered for proper fit and long-lasting performance, making this kit ideal for cargo, utility, equipment, and heavy-duty trailers.

Kit Includes:
• Grease Seal: 3.37″ x 2.25″ (Double Lip)
• Inner Bearing: 25580
• Inner Race: 25520 (Pressed In)
• Outer Bearing: 15123
• Outer Race: 15245 (Pressed In)
• Spindle Washer “D” Flat
• Spindle Washer “O” Plain
• Castellated Slotted Jam Spindle Nut
• Hex Jam Spindle Nut
• Spindle Nut Retainer
• Castellated Retainer Nut
• Cotter Pins: 1.75″ and 1.25″
• Standard Grease Cap: 2.44″
• Zerk Lube Grease Cap: 2.44″
• Zerk Lube Rubber Plug

This all-in-one Trailer Parts Pro kit simplifies axle service and ensures dependable, long-term trailer performance on the road.