Description
Overview:
This sealed, unitised bearing is designed for Ifor Williams trailer hubs and axles, providing smooth, stable rotation under road and site use. Built from hardened bearing steel with integral seals to keep out dirt and moisture, it suits post‐1997 assemblies and is a dependable replacement when restoring worn hubs. The bearing uses a back‐to‐back cone set with a split inner raceway for improved stability under combined radial and axial loads. Dimensions are Internal Diameter 42mm, External Diameter 76mm, and Length 39mm. It is well suited to light and heavy industrial tasks found in general towing, plant transport and agricultural use. Referenced against Ifor Williams 42490 and Manufacturer Part Number 761 497, it offers a precise fit for 42mm stub axles and matching hub bores.
Key Features:
- Sealed bearing unit helps retain grease and resist water, mud, and dust ingress
- Back‐to‐back cone set with split inner raceway for better load distribution and stability
- Robust hardened steel construction for durability under sustained loading
- Dimensions: 42mm ID x 76mm OD x 39mm length for accurate fitment in compatible hubs
- Suitable for post‐1997 Ifor Williams trailer assemblies for straightforward replacement
- Supports both radial and axial loads typically seen in trailer wheel hubs
- Smooth running to reduce wear on hubs and stubs, aiding longer service life
- Reliable under mixed use: road towing, site manoeuvring, and light off‐road work
- Compact, unitised format for efficient installation and removal with standard tools
- Referenced as Ifor Williams 42490 / MPN 761 497 to aid correct identification
Typical Applications:
Used in Ifor Williams trailer wheel hubs to support the rotating hub on a 42mm stub axle. Common in plant and equipment trailers, agricultural trailers, commercial towing fleets, and general utility trailers. Suitable for replacement during hub rebuilds, scheduled servicing, MOT preparation, or when symptoms such as hub play, noise, or roughness indicate bearing wear.
Also known as:
Trailer wheel hub bearing, axle bearing unit, hub bearing assembly, taper roller bearing unit, compact hub bearing, 42x76x39 bearing, sealed trailer bearing. These terms are often used interchangeably across workshop manuals and parts catalogues for post‐1997 Ifor Williams hubs using a 42mm inner diameter bearing.
Product Specifications
| L&S Part No. | 761 497 |
|---|---|
| Unit of Sale | 1 |
| Machine Type | Trailers |
