At a Glance
- > 4 U-bolts — 2-3/8" round, 1/2" diameter, 6" long
- > 8 locking nuts — 1/2" fine thread
- > 2 U-bolt plates (approx. 4-3/4" × 3-3/4")
- Brand: R & P Carriages
- SKU: UBK-3500-R6
Before You Order
Match the part number, measurements and connection points that apply to your trailer.
Fitment Check
| Hub Face | Measure hub face to hub face. |
|---|---|
| Spring Center | Measure mounting centers and confirm perch configuration. |
| Capacity | Match the required axle rating. |
| Brakes | Confirm brake type and flange configuration. |
Product Details
3500 lb U-Bolt & Plate Kit for 2-3/8" Round Axles — 6" U-Bolts
Part Number: UBK-3500-R6
This U-bolt and plate kit is designed for 3,500 lb trailer axles with a 2-3/8" round axle tube. It is commonly used to secure the axle to either double-eye or slipper leaf springs and serves as standard replacement hardware on many utility, cargo, and landscape trailers.
Kit Includes
- 4 U-bolts — 2-3/8" round, 1/2" diameter, 6" long
- 8 locking nuts — 1/2" fine thread
- 2 U-bolt plates (approx. 4-3/4" × 3-3/4")
Specifications
| Axle Tube Size | 2-3/8" round |
| Axle Rating | 3,500 lb |
| U-Bolt Diameter | 1/2" |
| U-Bolt Length | 6" |
| Plate Size | Approx. 4-3/4" × 3-3/4" |
| Included Hardware | 8 locking nuts (fine thread) |
U-bolt plate style may vary by supplier. Verify axle tube diameter and spring configuration before installation.