Match the part number, measurements and connection points that apply to your trailer.
| Bearings | Match inner and outer bearing numbers. |
|---|---|
| Seal | Match the seal number or dimensions. |
| Bolt Pattern | Verify the complete lug pattern. |
| Brake Size | Confirm when applicable. |
Part Number: SP-150BT16FZ-KIT
This 2000 lb brake spindle is used on light-duty trailer axles for utility, cargo, boat, and RV applications. The spindle features a machined 4-bolt brake flange, accepts standard L44649 bearings, and uses a 1.50" ID grease seal (Dexter 10-60 / 15192TB). This kit version includes the spindle plus castle nut, washer, and cotter pin.
| Specification | Detail |
|---|---|
| Spindle Base Diameter | 1.50" |
| Shaft Length | 3.37" |
| Overall Length | 8.25" |
| Bearing Size | L44649 (inner & outer) |
| Seal Size | 1.50" ID (Dexter 10-60 / 15192TB) |
| Brake Flange | Standard 4-bolt brake mounting flange |
| Included Hardware | Castle nut (1"), spindle washer (1"), cotter pin |
Check all spindle and hub measurements carefully before ordering. This spindle is commonly used on 2000 lb trailer axles but variations exist between manufacturers. Verify brake flange alignment and seal/bearing fit before installation.
