Old Britts – Wheel Bearing Upgrade Instructions
Download the complete PDF version using the green download button at the top right of this page for detailed Norton Commando wheel bearing upgrade and sealed bearing conversion procedures.
This technical article by Fred Eaton explains how to upgrade Norton Commando front and rear wheel hubs from standard bearings to modern sealed bearings for improved reliability, smoother operation and reduced maintenance.
The guide covers both front disc and drum hubs along with rear drum and MK3 hub considerations, including bearing spacer modifications, hub machining requirements and correct installation procedures.
Detailed workshop photographs illustrate bearing removal, spacer machining, seal installation, lockring fitting and special drift tools used during the conversion process.
Important dimensional information is included covering bearing thickness differences, spacer shortening measurements and correct assembly techniques to ensure proper wheel alignment and bearing preload.
Contents Include
- Front disc hub sealed bearing conversion
- Front drum hub bearing upgrade
- Rear drum hub bearing information
- MK3 rear hub modification notes
- Bearing spacer machining procedures
- Bearing removal techniques
- Seal and lockring installation
- Hub depth and clearance checks
- Bearing drift tool information
- Wheel hub assembly procedures
