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Build your own 3500# 5x4.5 Hubs Trailer Axle Kit with Round SP-20084 Spindles (BYOAK-84-H545-2.0R)

$120.87
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R & P Carriages

Build-Your-Own 3,500 lb Trailer Axle Kit – 84" Hub Face, 5 on 4.5

Part Number: BYOAK-84-H545-2.0R

Build-your-own trailer axle kit designed for fabricating or replacing a straight 3,500 lb idler axle using common 2" Schedule 40 steel pipe (not included). This kit includes spindles, hubs, bearings, seals, dust caps, and hardware required to assemble a complete axle once the tube is supplied.

Features

  • Build-your-own idler axle kit for custom trailer fabrication
  • Designed for use with standard 2" Schedule 40 steel pipe (tube not included)
  • Rated for typical 3,500 lb axle applications
  • 5 on 4.5" wheel bolt pattern
  • Includes spindles, hubs, bearings, seals, dust caps, and axle hardware

Specifications

Specification Detail
Axle Rating Typically used on 3,500 lb trailer axles
Capacity per Wheel 1,750 lb per wheel (typical application)
Hub Face Width 84"
Bolt Pattern 5 on 4.5"
Axle Tube (Not Included) 2" Schedule 40 steel pipe
Spindle Base Diameter 2.0" round

Kit Contents

  • Two (2) idler hubs, 5 on 4.5" bolt pattern
  • Ten (10) wheel lug nuts
  • Two (2) 1.98" dust caps
  • Two (2) L44649 outer bearings
  • Two (2) L68149 inner bearings
  • Two (2) 10-19 grease seals (1.75" ID)
  • Two (2) SP-20084NWC spindles (2" round base)
  • Two (2) 1" axle nuts
  • Two (2) spindle washers

Designed for custom axle fabrication using SP-20084NWC spindles welded into 2" Schedule 40 steel pipe. Axle tube is not included. Verify hub face dimension, spindle compatibility, and bearing sizes before installation.

trailer axle kit, build your own axle, 3500 lb trailer axle, idler axle components