Here’s a list of some of the leading suppliers of clutch bearings in the United Kingdom:

```markdown

Leading Suppliers of Clutch Bearings in the United Kingdom

1. Schaeffler UK Ltd.

   • Website: www.schaeffler.co.uk

2. Timken Ltd.

   • Website: www.timken.com

3. NSK Bearings (UK) Ltd.

   • Website: www.nskeurope.com

4. SKF (UK) Limited

   • Website: www.skf.com

5. RHP Bearings (Part of the NSK Group)

   • Website: www.nskeurope.com

6. Brammer PLC

   • Website: www.brammer.uk.com

7. Parker Hannifin

   • Website: www.parker.com

8. FAG Bearings (Part of the Schaeffler Group)

   • Website: www.schaeffler.com

9. C&U Group

   • Website: www.cugroup.com

10. Mahr Metrology Ltd.

    • Website: www.mahr.com ```

These companies are recognized for their quality products and are involved in the manufacturing and distribution of clutch bearings and related components in the UK. Please note that it's essential to verify the current market presence and performance of these companies as the automotive and bearing markets can change over time.