Bearing Kit – 6K–7K Axle, #42 Spindle with Spindle Hardware

The Trailer Parts Pro 6K–7K Bearing Kit provides everything you need to service or rebuild the hub assembly on your 6,000–7,000 lb trailer axle with a #42 spindle. Designed for performance, precision, and durability, this retail-packaged kit includes all key components — bearings, races, seals, washers, spindle nuts, and grease caps — ensuring smooth operation and long-lasting reliability for your trailer.

Perfect for equipment, cargo, and heavy-duty utility trailers, this comprehensive kit makes maintenance easy and efficient.

Kit Includes:
• Grease Seal: 3.37″ x 2.25″ (Double Lip)
• Inner Bearing: 25580
• Inner Race: 25520 (Pressed In)
• Outer Bearing: 14125A
• Outer Race: 14276 (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: 2.73″
• Zerk Lube Grease Cap: 2.73″
• Zerk Lube Rubber Plug

This all-inclusive Trailer Parts Pro bearing kit ensures proper fit, dependable performance, and reduced downtime — everything needed to keep your trailer rolling smoothly.

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