Technical library

Bearing Resources

Free bearing resources: reel model guides, Shimano & Daiwa schematics with bearing locations, size charts and step-by-step tutorials.

Imperial to Metric Conversion Table for Bearing Sizes

Free imperial-to-metric bearing size conversion chart. Convert inch fractions and decimals to millimetres instantly for bearing shopping.

Nitro RC Clutch Bell Bearings: Why They Wear Out Faster Than Wheel Bearings

Learn why nitro RC clutch bell bearings wear out faster than wheel bearings, the physics behind ball skidding, heat expansion, and seal choice.

Nutribullet Bearing Replacement Tutorial

Step-by-step guide to replacing noisy Nutribullet bearings and seal, with tips on removing the reverse-thread blade safely.

Our Bearing Specifications: Materials, Precision Ratings and Seal Options

Compare our standard, premium, and ceramic bearing specifications - materials, ABEC precision ratings, seal types, and retainer options explained.

Tutorial: How to Measure Bearings

Learn how to measure a bearing correctly with calipers - the right order for bore, outer diameter and width, in metric and imperial sizes.