3.5K Trailer Bearing Kit for 3500 lb Axle #84 Spindle
A comprehensive all-in-one bearing replacement solution designed for standard 3,500 lb trailer axles. This kit provides precision-matched bearings, races, and seals for a complete hub service. Other part numbers are L44649 / L68149 Kit
Overview
Keep your trailer moving reliably with this premium 3.5K trailer bearing kit. Engineered specifically for 3,500 lb capacity axles, this kit is compatible with major manufacturers including Dexter, TK, and Rockwell American. By sourcing this complete kit, you ensure that all components—from the high-quality inner and outer bearings to the double lip grease seal—are perfectly matched for your #84 spindle, reducing downtime and maintenance complexity.
R&P Service Insight
Regular bearing maintenance is the most effective way to prevent roadside axle failure.
- Double Lip Seal: Provides superior protection against contaminants and keeps grease locked in.
- Standard Fit: Specifically tailored for the industry-standard #84 spindle profile.
- Maintenance: Replacing races along with bearings ensures even wear and maximum service life.
R&P Knowledge Hub
Compatibility: Dexter, TK, Rockwell American, and other 3.5K Axle Hubs/Drums using L68149/L44649 bearing combinations.
Vehicle / System Fit: Utility, Boat, and Equipment trailers equipped with 3,500 lb axles.
Installation Notes: Verify your spindle type before ordering. This kit fits the #84 spindle (1.378" Inner / 1.063" Outer diameter).
Performance Insight: Using L68149/L44649 bearing combinations is the industry standard for durability in medium-duty towing applications.
Brand & Fitment Note
Selling Brand: R&P Carriages
Application Reference: Any OEM or platform names (such as Dexter or Rockwell) in this listing describe compatibility, fitment target, or application style only.
What This Means: This listing is for a curated R&P Carriages service kit, designed for OEM-style applications where dimensions and spindle profiles match.
Before Ordering: Verify your existing bearing numbers (L68149/L44649) and spindle diameters to ensure a perfect match.
R&P Repair Insight
Proper measurement is critical for bearing kits. Use a digital caliper to verify your existing spindle or bearing IDs to confirm fitment.
- Inner Diameter: Confirm your inner bearing is 1.378" (L68149).
- Outer Diameter: Confirm your outer bearing is 1.063" (L44649).
- Seal Seat: Ensure your seal surface on the spindle is smooth to prevent leaks with the 10-19 seal.
Features
All-In-One Solution
Includes everything needed for one hub repair, eliminating the need to source individual parts.
High-Quality Bearings
Precision-engineered L68149 and L44649 bearings for smooth operation and heat resistance.
Superior Sealing
The 10-19 double lip grease seal (1.719" ID) provides better protection than single lip alternatives.
Universal Compatibility
Designed to fit the majority of 3,500 lb axle hubs from top manufacturers like Dexter and Rockwell.
Specifications
| Specification | Detail |
|---|---|
| Part Number | BK2-150 |
| Brand | R&P Carriages |
| Inner Bearing | L68149 (1.378" ID) |
| Outer Bearing | L44649 (1.063" ID) |
| Grease Seal | 10-19 Double Lip (1.719" ID) |
| Inner Race | L68111 (2.362" OD) |
| Outer Race | L44610 (1.980" OD) |
| Dust Cap | 1.99" OD Standard |
Fitment / Application
| Category | Details |
|---|---|
| Axle Rating | 3,500 lb Capacity (3.5K) |
| Primary Fit | #84 Trailer Spindles |
| Compatible Hubs | Dexter, TK, Rockwell, Al-Ko |
| Notes | Verify inner bearing ID (1.378") to ensure correct spindle matching. Clean hub thoroughly before seating new races. |
Included Components
| Quantity | Item |
|---|---|
| 1 | Inner Bearing (L68149) & Inner Race (L68111) |
| 1 | Outer Bearing (L44649) & Outer Race (L44610) |
| 1 | Double Lip Grease Seal (10-19 / 010-019-00) |
| 1 | Hub / Dust / Grease Cap (1.99") |
| Included | 1 Cotter Pin & 1 Spindle Nut Retainer (D-Shaped) |
