NEV-R-LUBE Bearing Kit 50mm Cartridge w/ Hardware 7k 7.2k 8k 8-385
Dexter 31-71-3 cartridge-style Nev-R-Lube bearing for compatible Dexter 50mm, 8,000-lb axle applications. Built for listed 8-lug hub and drum setups where the bearing size and axle configuration match. Important Note: attaching components 031-071-03.
Overview
This Dexter 31-71-3 Nev-R-Lube bearing is a 50mm cartridge-style bearing for compatible Dexter 8,000-lb Nev-R-Lube axle applications. It is designed for listed 8-lug, 6-1/2 inch bolt circle hub and drum assemblies using the correct 50mm bearing cartridge size.
R&P Service Insight
Nev-R-Lube bearing fitment is measurement-sensitive. Before ordering, match the axle rating, Dexter 50mm bearing requirement, hub/drum style, bolt circle, and bearing dimensions.
- Axle Match: Fits Dexter 50mm, 8,000-lb Nev-R-Lube axle applications where the original bearing matches part number 31-71-3.
- Hub/Drum Check: Listed for 8-lug, 6-1/2 inch bolt circle hub and drum assemblies.
- Measurement Check: Confirm 50mm I.D. x 84mm O.D. x 54mm wide before installation.
R&P Knowledge Hub
Compatibility: Fits Dexter 50mm, 8,000-lb Nev-R-Lube axles with 8-lug, 6-1/2 inch bolt circle applications where part number 31-71-3 is required.
Vehicle / System Fit: Trailer hub and drum bearing service for compatible Dexter Nev-R-Lube axle systems.
Installation Notes: Verify axle rating, bearing number, hub/drum assembly, drum size, bolt circle, and bearing dimensions before buying or installing.
Performance Insight: Cartridge-style Nev-R-Lube bearings are application-specific. Correct bearing size and hub compatibility are critical for proper wheel-end service.
Brand & Fitment Note
Selling Brand: Dexter
Application Reference: Dexter, Nev-R-Lube, 50mm, 8,000-lb axle, and hub/drum references describe the compatible axle and wheel-end application for this bearing.
What This Means: This listing is for a Dexter 31-71-3 50mm Nev-R-Lube bearing cartridge for compatible listed applications.
Before Ordering: Verify bearing part number, axle capacity, hub/drum size, bolt circle, and all bearing measurements before installation.
R&P Repair Insight
Do not choose a Nev-R-Lube bearing by axle capacity alone. These bearings must match the cartridge dimensions, axle configuration, and hub/drum assembly style.
- Check the Bearing Number: Match Dexter 31-71-3 before ordering.
- Check the Drum Application: Works on hub and drum assemblies with drum sizes of 12 x 2 and 12-1/4 x 3-3/8 where the rest of the fitment matches.
- Check the Measurements: Confirm 50mm inner diameter, 84mm outer diameter, and 54mm width.
Features
50MM Cartridge-Style Bearing
Nev-R-Lube cartridge-style bearing with a 50mm inner diameter for compatible Dexter axle applications.
8,000 lb Dexter Axle Application
Fits Dexter 50mm, 8,000-lb Nev-R-Lube axles where bearing part number 31-71-3 is required.
8-Lug Hub/Drum Compatibility
Listed for 8-lug, 6-1/2 inch bolt circle hub and drum assemblies with matching bearing specifications.
Verified Bearing Dimensions
Dimensions are 50mm I.D. x 84mm O.D. x 54mm wide.
Specifications
| Specification | Detail |
|---|---|
| Part Number | K71-995-00 |
| Brand | Dexter |
| Product Type | Nev-R-Lube cartridge-style bearing |
| Application | Dexter 50mm, 8,000-lb Nev-R-Lube axle applications |
| Inner Diameter | 50mm |
| Outer Diameter | 84mm |
| Width | 54mm |
| Full Dimensions | 50mm I.D. x 84mm O.D. x 54mm wide |
| Axle Rating Reference | 8,000 lbs |
| Bolt Circle Reference | 8-lug, 6-1/2 inch bolt circle |
Fitment / Application
| Category | Details |
|---|---|
| Vehicle / System | Trailer wheel-end / hub and drum bearing service |
| Primary Fit | Dexter 50mm, 8,000-lb Nev-R-Lube axles |
| Hub / Drum Fit | Fits listed hub and drum assemblies with 8-lug, 6-1/2 inch bolt circle |
| Drum Size Reference | Works on hub and drum assembly with drum size of 12 x 2 and 12-1/4 x 3-3/8 where all other fitment details match |
| Notes | Verify part number 31-71-3, 50mm bearing requirement, axle rating, bolt circle, drum size, and cartridge dimensions before ordering. |
Included Components
| Quantity | Item |
|---|---|
| 1 | 50mm Nev-R-Lube bearing cartridge |
| Note | Additional hardware, caps, seals, races, or related components are not listed as included unless shown separately in the product photos or order details. |
