This hub/drum is compatible with - 8k TK Hybrid Trailer Axle - 8000 lb Electric Brake 8 lug 9/16" Studs (12" x 2" Brake - 3.5" Tube)

Hub/Drum Only Specs:  

• 1 - 8k Hub/Drum Only - Grease Bath - 8x6.5 Bolt Pattern
  
• 1 - 25520 Inner Race 3.265" OD (Pre-Pressed In Hub)
• 1 - 02420 Outer Race 2.688" OD (Pre-Pressed In Hub) 
• 4,000 lb Capacity Per Hub 
• 9/16" Studs (Pre-Pressed In Hub)
• Use with a 12x2" brake 

Hub/Drum Assembly Specs:

• 1 - 8k Hub/Drum Only - Grease Bath - 8x6.5 Bolt Pattern
  
• 1 - 8k (8000 lb Capacity) Bearing Kit
  • 1 - 10-36 Double Lip Grease Seal 3.376" OD 2.250" ID
  • 1 - 25520 Inner Race 3.265" O.D (Pre-Pressed In Hub)
    
  • 1 - 02420 Outer Race 2.688" O.D (Pre-Pressed In Hub)
  • 1 - 25580 Inner Bearing 1.750" I.D
    
  • 1 - 02475 Outer Bearing 1.250" I.D
    
  • 1 - 8,000 lb Screw-On Cap with Plug
    
  • 1 - Cotter Pin
  • 1 - Spindle Nut Retainer
• 1 - Grease Tub (1 lb)

Features:

• Hub & Drum with 8 on 6.5" Bolt Pattern For 8k Axles
• Hub and drum comes with races pre-pressed for your convenience 
• This hub & drum is designed for use with a #42 spindle
• Each hub & drum has a capacity of 4,000 lbs 
• Hub & drum uses 25580 inner bearing and a 02475 outer bearing (sold separately)
• The bearings, grease seal, grease cap, wheel nuts, spindle nut, and spindle washer (sold separately)
• Kit with hardware is available