POWERED BY R&P CARRIAGES

R & P Carriages

Trailer Axle Square Spindle For 1 Inch I.D. Bearings fits 2000# Dexter ALKO BT8 (SP-150BT8-SQ-KIT)

$43.70
Available to order

Enter the quantity you need to check availability.

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

At a Glance

  • SKU: SP-150BT8-SQ-KIT
PRODUCT INFORMATION

Product Details

R & P Carriages Logo

2000 lb Square Trailer Spindle Kit – Includes Nut, Washer, Cotter Pin

Part Number: SP-150BT8-SQ-KIT

This 2,000 lb square trailer spindle is designed for light-duty axle builds and replacement applications. The spindle features a 1.50" square weld end, precision machined bearing surfaces, and fits standard L44643 bearings with the matching T-23970 (1.249") grease seal. This kit includes the spindle plus the correct castle nut, washer, and cotter pin for installation.

Features

  • Square 1.50" weld-end spindle for 2,000 lb trailer axles
  • Precision machined bearing journals for L44643 bearings
  • Uses T-23970 / 1.249" ID grease seal
  • Ideal for custom axle builds and spindle replacement
  • Includes correct nut, washer, and cotter pin

Specifications

Specification Detail
Spindle Style Square weld end
Weld End Size 1.50" square
Bearing Size L44643 (1.00" ID) inner & outer
Seal Size T-23970 / 1.249" ID grease seal
Spindle Length Approx. 3.32"
Weight 0.23 lb
Included Hardware 1× FA-SN100 Castle Nut (1")
1× SW1000 Spindle Washer (1")
1× 165649 Cotter Pin (1/8" × 1-3/4")
SP-150BT8-SQ Spindle Dimensional Diagram

This spindle fits 2,000 lb light-duty hubs that use L44643 bearings and a 1.249" ID grease seal. Always confirm your bearing numbers and seal size before ordering.

View More Spindle Parts

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.