POWERED BY R&P CARRIAGES

Tow Parts

Pre-Greased Idler Hub Kit, 3.5K, 5 x 4.5, 1/2" Stud, Includes Bearings, Seal, Solid Cap, and A Grease Cap (17-110)

$51.99
Contact us for availability

Enter the quantity you need to check availability.

Not Sure It Fits? Ask a Pro
R&P PARTS GUIDE

At a Glance

  • SKU: 17-110
PRODUCT INFORMATION

Product Details

R & P Carriages

Pre-Greased Idler Hub Kit – 3.5K Trailer Axles – 5 on 4.5 Bolt Pattern – 1/2" Studs

This pre-greased idler hub kit is designed for trailer axles ratedaround 3,500 lb capacity. The hub comes pre-assembled with bearingsinstalled and packed with grease to simplify installation whenreplacing or servicing trailer hubs.

The hub uses a standard 5 on 4.5 wheel bolt pattern with 1/2"wheel studs commonly found on utility, cargo, and boat trailers.

R&P Knowledge Hub

Idler hubs support trailer wheels on axles that do not use electricbrakes. A pre-greased hub kit simplifies installation because thebearings are already installed and lubricated inside the hub.

Always verify bolt pattern, axle capacity, bearing sizes, and sealdimensions before installing a replacement hub.

Features

  • Pre-greased idler hub assembly
  • 5 on 4.5 wheel bolt pattern
  • 1/2" wheel studs
  • Designed for approximately 3,500 lb trailer axles
  • Common on utility, cargo, and boat trailers

Kit Contents

  • Idler hub (pre-greased)
  • Bearings
  • Seal
  • Solid dust cap
  • Grease cap

Specifications

Specification Detail
Axle Capacity 3,500 lb
Bolt Pattern 5 on 4.5
Wheel Stud Size 1/2"
Hub Type Idler Hub (Non-Brake)

Verify axle compatibility and bolt pattern before installation.

3.5k idler hub kit 5x4.5 bolt pattern trailer hub assemblypre greased idler hub kit 3500 lb trailer hub
R & P Carriages Baseball Field Advertising Sign

Related Parts & Kits

Check fitment, measurements, and kit contents before ordering. Related parts may not be required for your repair.
Looking up part numbers in our catalog…
Your repair list1 item selected

Selected products are added together. Review the cart and verify kit contents to prevent duplicates. Prices and discounts are determined at checkout.

BEHIND THIS LISTING
PHOTOGRAPHY & RESEARCH Ariah Granados Ariah’s handwritten signature
DIGITAL PRESENTATION & DEVELOPMENT Ken Martin Ken’s handwritten signature
ONLINE SALES & QUALITY ASSURANCE Rayn Fisher
WE’RE HERE TO HELP

Not sure it fits?

Have your SKU or manufacturer part number, photos of the original part and mounting, and any critical measurements ready. Capacity, voltage, or bolt pattern can help too.

815-357-3292  ·  270 E Jackson St  ·  Seneca, IL 61360

CUSTOMER REVIEWS

Good people. Real trailer work.

Customer feedback summarized from Google and Yellow Pages. Dates are shown where available.

Leave a Google review
TRAILER PARTSGOOGLE

Ordered trailer repair parts repeatedly; praised fast service, careful packing, and accurate orders.

Luke HeiserOCT 2026
RV KEYSGOOGLE

Found the correct RV keys at a good price with free shipping; the keys worked as expected.

Vanessa ROCT 2026
AXLE & LEAF SPRINGSGOOGLE

Needed an unusual axle and leaf-spring size; the team listened and helped him sort out the fit.

Cory StrubertOCT 2026
Showing 3 of 50

Need help with this part? Send photos, part numbers, and measurements. We’ll help you narrow it down.