At a Glance
- >4 × 50mm Sealed Bearing Cartridges
- >4 × 50mm Snap Rings
- >4 × Safety Clips
- >Tandem equipment trailers
- >Gooseneck trailers
- Brand: Unbranded
- SKU: T508454-KITX4
Before You Order
Match the part number, measurements and connection points that apply to your trailer.
Fitment Check
| Part Number | Match the number stamped on the original bearing or seal. |
|---|---|
| Dimensions | Measure the mating surfaces when a number is unavailable. |
| Hub / Axle | Use capacity as context, not as the only fitment check. |
Product Details
4 Pack – 50mm Nev-R-Lube Bearing Cartridges with Snap Rings
Part Number: T508454-KITx4
Four-cartridge replacement kit for Dexter® 7,000 lb and 8,000 lb Nev-R-Lube axle systems.Designed for tandem or multi-axle trailers where multiple hubs are serviced at the same time.This listing includes four complete 50mm sealed bearing cartridges with retaining components.
Kit Includes
- 4 × 50mm Sealed Bearing Cartridges
- 4 × 50mm Snap Rings
- 4 × Safety Clips
Common Applications
Direct replacement for factory-installed Dexter Nev-R-Lube systems used on heavy-duty 7K and 8K axles. Common on:
- Tandem equipment trailers
- Gooseneck trailers
- Commercial utility trailers
- Fleet preventative maintenance programs
Nev-R-Lube bearings are sealed and non-serviceable. When wear occurs, the full cartridge must be pressed out and replaced.
Fits The Following Hub Castings
- 8-385 Drum Hubs (Dexter 008-385-82)
- 8-389 Disc Brake Hubs
- 8-402 Disc Brake Hubs
- D70 & D80 Leaf Spring Axles
- #12 & #13 Torflex Axles
Cartridge Specifications
| Measurement | Size |
|---|---|
| Inner Diameter | 50mm |
| Outer Diameter | 84mm |
| Width | 54mm |
Wheel Requirement: Zero offset to 0.19" inset.
Not designed for marine or boat trailer use.
Warranty
Backed by a 5-year or 100,000 mile warranty against defects in material and workmanship (MAT Brand).
R&P Knowledge Hub
Always confirm the hub casting number before ordering.The casting number (such as “8-385”) is cast directly into the hub body.
Nev-R-Lube cartridges require a press for removal and installation.Verify hub casting and axle rating prior to purchase.
CUSTOMER PROOF
What customers say about parts like this.
Selected from R&P customer feedback for Bearing / Seal products and related trailer service.
RELEVANT TO
Bearing / Seal
★★★★★GOOGLE REVIEW
“I've ordered lots of trailer repair parts from them, always fast service, well packed, and the right parts. I highly recommend.”
★★★★★GOOGLE REVIEW
“Would like to say thanks to everyone at R and P Carriages parts were delivered fast and with the very helpful staff, the right parts were sent the first time. Thanks Happy Holiday's.”
★★★★★GOOGLE REVIEW
“Received swivel d-ring tie down 4 days after my wife ordered them , great price and came with backing plates. I received exactly what I paid for, thanks for the great service. Chris Davis , Mooresville NC”
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