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-150BT8-SQ-KITX2
This listing is for a pair (2) of 2,000 lb square trailer spindles used on light-duty axles including utility, cargo, marine, and small RV applications. Each spindle features a 1.50" square weld end and precision-ground 1" bearing surfaces to accept standard L44643 bearings and the matching T-23970 (1.249" ID) grease seal. Hardware is included for both spindles.
| Specification | Detail |
|---|---|
| Load Rating | 1,000 lbs per spindle |
| Weld End Size | 1.50" square |
| Bearing Size | L44643 (1" ID) inner & outer |
| Seal Size | T-23970 / 1.249" ID grease seal |
| Hardware Included | 2× Castle Nuts (1") 2× Spindle Washers (1") 2× Cotter Pins (1/8" × 1-3/4") |
These spindles fit light-duty hubs using L44643 bearings and the 1.249" ID seal. Always confirm bearing numbers and seal size before ordering. Sold as a pair (2 spindles).
