Trailer Hub Kit (BT-150EZ-PR) 5 Bolt on 4-1/2 Inch Circle with 1 inch I.D. Bearings - One Pair

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Upgrade your trailer's performance with this premium 5-bolt hub kit designed for reliable towing. This comprehensive kit features a robust hub assembly with 5 bolts arranged in a 4-1/2" inch circle pattern and accommodates 1-inch I.D. bearings.
The package includes all essential components: a durable black-finished hub, high-quality tapered roller bearings, a protective grease seal, a dust cap, and necessary mounting hardware. Perfect for trailer maintenance or replacement, this hub kit ensures smooth wheel rotation and proper load distribution. The heavy-duty construction and precision engineering make it ideal for various trailer applications.
Each kit contains two complete hub assemblies for a pair of wheels, providing everything needed for a proper installation. Compatible with standard 5-bolt on 4-1/2" wheel patterns with a 1" spindle, this hub kit delivers dependable performance for your trailering needs. Hub has 5-bolt pattern on 4-1/2" circle. Hub assembly includes (4) L-44643 inner and outer bearings, (2) SL-122 double lipped (1.249" I.D.) grease seals, (2) SCP-100 cotter pin, (2) EZ lube dust caps, (10) STN-506 lug nuts and pressed in bearing races. Pilot diameter 2.5 inches, flange diameter 5.56 inches. PLEASE NOTE: This kit will only fit trailer spindles that have a 1" bearing surface with a 1.25" seal surface.
WARNING: Cancer and Reproductive Harm. For more information, go to www.P65Warnings.ca.gov.
Product Details
- COMPLETE KIT: Includes (2) hub assemblies, (4) L-44643 high-grade bearings, (2) 1.249" I.D. grease seals, (2) EZ lube dust caps, (2) cotter pins, and (10) 1/2" mounting nuts for a full installation.
- SPECIFICATIONS: Features 5-bolt pattern on 4-1/2 inch bolt circle and fits 2,000 lb. axles with 1" straight spindle. Measures 4-1/4 inches tall (through center of hub). See secondary photo.
- DURABLE CONSTRUCTION: Heavy-duty steel hub assembly designed for reliable performance and long-lasting strength.
- COMPATIBILITY: Perfect fit for trailers requiring 5-bolt on 4-1/2" mounting pattern, ideal for various trailer applications.
- MOUNTING HARDWARE: Comes with all necessary mounting hardware and fasteners for quick and proper installation. NOTE - Does not included spindle castle nuts - reuse your factory OEM nuts to install.
WARNING: Cancer and Reproductive Harm. For more information, go to www.P65Warnings.ca.gov.
Specifications
| Brand | Rigid Hitch |
|---|---|
| Bolt Pattern | 5 x 4.5 |
| Capacity | 2,000 lbs. per pair |



