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eBay£83.59Visit shop Trailer Sealed Bearing Kit For ALKO 2051 200 x 50 Knott 250 x 40 Euro Drums 4pc
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This AB Tools TR499_4PK Trailer Sealed Bearing Kit is designed for commercial and personal trailer owners needing a durable, waterproof bearing solution for hubs and units. Its key benefit is a 'sealed for life' design that provides excellent protection against the elements, especially for boat trailers or those used in harsh weather. A minor caveat is that the included one-shot nut must be replaced each time the bearing is serviced.
| Model Part Number | TR499_4PK |
|---|---|
| Brand | AB Tools |
It means the bearing is permanently lubricated and sealed from the factory, designed to operate without additional greasing and to resist contaminants like water and dirt for its intended service life.
No, the 'one-shot' nut is designed for single use only. It must be replaced with a new one each time the bearing is serviced to ensure correct pre-load and sealing.
The internal diameter is 39mm, the external diameter is 72mm, and the overall length is 37mm.
This kit is designed for general trailer use, including light and heavy industrial applications. For very high-speed towing, consult the trailer or axle manufacturer's recommendations.
This listing is for a pack of 4 complete bearing kits.
The circlips secure the bearing assembly to the axle shaft, preventing it from moving axially.
This typically indicates the bearing has failed or been contaminated. Replacement of the bearing and associated hardware (circlips, nut) is required.
Check that the hub nut is properly torqued and that the circlips are correctly seated in their grooves. If the issue persists, the bearing may be worn or damaged.
Ensure the hub bore and the bearing outer diameter are clean. Use a proper bearing press or a suitable socket to apply even pressure during installation. Do not hammer the bearing into place.
Setup: Ensure the hub is clean and free of old grease and debris. Carefully press the new bearing into the hub. Install the circlips into their respective grooves on the axle shaft. Apply a small amount of grease to the one-shot nut before installation and tighten it to the manufacturer's recommended torque for the specific axle. Never reuse a one-shot nut.
Compatibility: This kit is designed as an alternative for ALKO part number 581169 and KNOTT part numbers 45887.11 and 571006. It is compatible with ALKO 2051 200x50 Euro axles, Avonride Y series, KNOTT Assemblies (250x40 / 200x50), and SFL Brake drums 311396.
Care: While the bearing is sealed for life, regular visual inspection of the trailer hub for any signs of damage or grease leakage is recommended. After submersion in water, it's advisable to flush the exterior of the hub with clean water and allow it to dry. Avoid high-pressure washing directly at the bearing seals.
