2,000 lb Axle Stub End Kit — Square Spindle, 4 on 4 Hub (Single Side)
Part Number: BYOAK-BT8-H440-SQ-ONE
This spindle does NOT include an EZ-Lube grease zerk.
Single-side axle stub end kit designed for building your own axle or replacing one side of an existing light-duty axle. Features a square weld-on spindle tail for easy fabrication and alignment.
Rated at 1,000 lb per wheel for a total 2,000 lb axle capacity when used as a pair.
Features
| Feature | Description |
|---|---|
| Capacity | 1,000 lb per wheel (2,000 lb axle) |
| Spindle Tail | 1.50" square weld-on base (easy to fabricate) |
| Hub Pattern | 4 on 4" bolt pattern |
| Application | Sidecar trailers, small utility trailers, custom builds |
| EZ-Lube | No grease zerk |
Specifications
| Specification | Detail |
|---|---|
| Axle Rating | 2,000 lb (pair) |
| Spindle Base | 1.50" square |
| Bearings | L44643 (inner & outer) |
| Seal | 1.25" ID — GS-1250DL |
Kit Includes
| Item | Part Number | Qty |
|---|---|---|
| Idler Hub, 4 on 4" | RVI-BT-4400 (88440-1) | 1 |
| Square Spindle, 1.50" Base | SP-150BT8-SQ | 1 |
| Lug Nuts, 1/2"-20 | — | 4 |
| Dust Caps | DC-200L + DC-RP | 1 set |
| Bearings | L44643 | 2 |
| Grease Seal | GS-1250DL | 1 |
| Spindle Nut & Washer | — | 1 set |
Includes everything needed for one side of an axle except the axle tube.
Designed for weld-on installation. Proper welding and alignment are critical for safe operation and bearing life.
Confirm hub pattern, bearing size, and load requirements before ordering.
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