At a Glance
- >1.000" ID bearings — L44643
- >1.063" ID bearings — L44649
- >For 2,000 lb idler-type trailer axles
- >4-lug wheel pattern (4 on 4")
- >Standard 1/2"-20 wheel studs
- Brand: R & P Carriages
- SKU: 88440-KIT
Before You Order
Match the part number, measurements and connection points that apply to your trailer.
Fitment Check
| 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. |
Product Details
2,000 lb Trailer Idler Hub · 4-Lug · 4 on 4" Bolt Pattern
Part Number: 88440-KIT
This listing is for one (1) 2,000 lb trailer idler hub with a 4 on 4" bolt pattern, supplied with a complete universal bearing and seal kit.
This kit supports both common spindle diameters used on light-duty 2k axles:
- 1.000" ID bearings — L44643
- 1.063" ID bearings — L44649
This allows compatibility with the two spindle types most frequently found on Dexter, AL-KO, AXIS, and many aftermarket 2k round spindles. Always verify spindle measurements before installation.
Features
- For 2,000 lb idler-type trailer axles
- 4-lug wheel pattern (4 on 4")
- Standard 1/2"-20 wheel studs
- Dual-size bearing kit supports both 1.000" and 1.063" spindles
- Hub depth approx. 4-1/4"
- Bearing spacing approx. 3-1/2" (installed)
- Grease cap, rubber plug, and cotter pin included
Specifications
| Specification | Detail |
|---|---|
| Axle Rating | 2,000 lb |
| Bolt Pattern | 4 on 4" |
| Stud Size | 1/2"-20 |
| Hub Bore | 1.98" |
| Hub Depth | Approx. 4-1/4" |
| Bearing Spacing | Approx. 3-1/2" (installed) |
Kit Includes
| Component | Quantity | Part Number |
|---|---|---|
| 2,000 lb Idler Hub · 4-Lug · 4 on 4" | 1 | Varies by stock |
| Bearing, 1.000" ID | 2 | L44643 |
| Bearing, 1.063" ID | 2 | L44649 |
| Grease Seal (fits 1.000" bearings) | 1 | T-23970 |
| Grease Seal (fits 1.063" bearings) | 1 | 15192TB / 10-60 |
| Grease Cap, 1.98" | 1 | DC-200L |
| Rubber Insert for Grease Cap | 1 | DC-RP |
| Cotter Pin | 1 | — |
| Lug Nuts | 4 | — |
Listing is for one hub kit. If you need multiple hubs, adjust the quantity before checkout. Always confirm spindle size, bearing IDs, seal fit, and cotter pin alignment before final installation.