8 on 6.5″ Bolt Pattern, 1/2″ Studs | 5.2K–7K Axle, Complete Pre-Greased Hub-Drum Assembly – #42 Spindle (Single Hub) 2.250″ Seal
The Trailer Parts Pro™ 8 on 6.5″ Complete Pre-Greased Hub-Drum Assembly is a premium, ready-to-install replacement for 5,200–7,000 lb trailer axles with a #42 spindle. Each retail-boxed unit comes pre-greased and pre-assembled with bearing races pressed in for quick and clean installation. Perfect for cargo, gooseneck, equipment, and heavy-duty utility trailers, this hub meets or exceeds OEM standards and offers long-lasting reliability.
SKU: HD42866BX
$150.00
The Trailer Parts Pro™ Complete Pre-Greased Hub-Drum Assembly is a ready-to-install replacement hubdesigned for 5,200–7,000 lb trailer axles using a #42 spindle. Each hub-drum comes pre-greased and pre-assembled, with bearing races already pressed in, making installation quick, clean, and hassle-free.
Perfect for equipment, gooseneck, cargo, and heavy-duty utility trailers, this retail-boxed assembly includes all key components — bearings, races, grease seal, cap, and lug nuts — and delivers dependable performance and long-term durability.
Key Features:
• Capacity: 3,500 lbs per hub (7,000 lbs per pair)
• Fits: 5.2K–7K trailer axles
• Spindle Type: #42
• Bolt Pattern: 8 on 6.5″
• Stud Size: 1/2″-20
• Bearing Cups: Inner and outer races pre-installed
• Bearings: 25580 (inner) and 14125A (outer)
• Seal: 2.25″ ID double-lip grease seal
• Lug Nuts: (8) 1/2″ coned wheel nuts included
• Lubrication Options: Grease or Zerk-Lube
• Brake Compatibility: For 12″ x 2″ electric or hydraulic drum brakes
• Mounting: Fits left or right side
• Finish: Painted for corrosion resistance
• Manufacturer Location: Globally sourced
• Warranty: 1-year limited warranty
• Spindle Hardware: Sold separately
Included Components:
• (1) Hub-drum assembly (pre-greased)
• (1) Inner bearing (25580 – 1.75″ ID)
• (1) Outer bearing (14125A – 1.25″ ID)
• (1) Inner race (25520 – 3.265″ OD, pressed in)
• (1) Outer race (14276 – 2.717″ OD, pressed in)
• (1) Grease seal (10-36 – 2.25″ x 3.376″)
• (1) Grease cap (21-39 – 2.72″ OD)
• (1) Grease cap (21-43-1 – 2.72″ OD)
• (1) Rubber plug (85-1)
• (8) 1/2″ coned wheel nuts (X1023R)
This Trailer Parts Pro™ pre-greased hub-drum assembly provides a complete, bolt-on solution for your trailer — pre-lubricated, precision-built, and ready to perform under load.
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Call or Text us today at: (602) 292-9690
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