Racewill 4 Sets 25580/14125A Boat Trailer Axle Bearing Kit for 5200-7000 lb Tandem Axles (D42 Spindle)

Overview

The Racewill 4 Sets 25580 14125A Boat Trailer Axle Bearing Kit is designed to support dependable trailer maintenance. It targets 1.25" to 1.75" tandem axles rated from 5200 to 7000 lb on a D42 spindle, blending durability with thoughtful design to help you keep trips on track. Expect crisp, quiet operation as bearings and seals work in concert to reduce resistance and wear over time.

Crafted from resilient alloy steel and precision‑machined for a snug fit, this kit emphasizes reliable performance without overcomplication. The double lip grease seals contribute to leak‑free protection, while the components stay relatively quiet under load, helping you monitor trailer health at a glance. Each part is chosen to support steady service across seasons and varied haul scenarios.

What’s inside

• 4x Inner bearings 25580 (ID 1.75")
• 4x Inner races 25520
• 4x Outer bearings 14125A (ID 1.25")
• 4x Outer races 25520
• 8x Grease seals 22333TB
• 4x Cotter pins
• 4x Dust caps
• 4x Rubber plugs
• 4x Spindle nuts
• 4x Washers

Key features

• Precise fit for 1.25"–1.75" tandem axles (5200–7000 lb) on D42 spindles
• Double lip grease seals for leak-free protection
• Alloy steel construction with low-noise operation
• Includes extra caps, plugs, and shims to cover routine maintenance or spares
• Designed for straightforward installation with included gaskets and washers

Real-world use

Whether you’re replacing worn bearings after a long season or stocking a spare kit for roadside maintenance, this complete package supports steady trailer operation and faster service on the road or at the dock. The set is intended to be a reliable foundation for routine upkeep, helping you plan ahead without complicating your workflow.

Quality control and precision manufacturing underpin each component, aiming to deliver consistent performance under load and in challenging conditions such as exposure to road debris and moisture. The packaging is designed to keep parts organized and ready for installation when time matters.