Match the part number, measurements and connection points that apply to your trailer.
| 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. |
Part Number: SP-150BT16FZ-2
This listing includes a pair (2) of 2,000 lb brake spindles designedfor light-duty trailer axles. These weld-on spindles feature an integrated4-bolt brake flange and are commonly used on utility trailers,small cargo trailers, boat trailers, PWC trailers, and similar applications.
Each spindle is compatible with hubs and brake assemblies that useL44649 inner and outer bearings and standard 7" trailer brakeswhen paired with the correct seals and components.
| Feature | Description |
|---|---|
| Included Quantity | Pair (2) brake spindles |
| Design | Weld-on spindle for axle fabrication or repair |
| Brake Mount | Integrated 4-bolt flange for 7" trailer brakes |
| Bearing Compatibility | Accepts L44649 inner and outer bearings |
| Typical Use | Utility, marine, cargo, and light RV trailers |
| Specification | Detail |
|---|---|
| Axle Rating | 2,000 lb axle (approx. 1,000 lb per spindle) |
| Spindle Base Diameter | 1.50" |
| Shaft Length | Approx. 3.37" |
| Overall Length | Approx. 8.25" |
| Bearing Size | 1-1/16" (L44649 inner & outer) |
| Seal Compatibility | 1.50" ID seal (Dexter 10-60 / 15192TB) |
| Installation | Weld-on — proper alignment required during axle fabrication |
Fitment depends on axle tube size, hub spacing, and brake alignment.Confirm spindle dimensions, bearing size, and seal compatibilitybefore welding. Installation should be performed by a qualifiedfabricator or technician.
Selected from R&P customer feedback for Bearing / Seal products and related trailer service.
“I've ordered lots of trailer repair parts from them, always fast service, well packed, and the right parts. I highly recommend.”
“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.”
“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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