Protech RC Helicopter Parts

Products offered by MBA are presented as alternatives or replacements only. The product data of all items should be checked prior to purchase to ensure it matches the item you are replacing.

PDF Catalogues

Standard Bearing Range, Economy Range, High-Speed Bearings

Information Sheets

Abec Information - Bearing Clearances - Bearing Cleanliness - Bearing Closures - Bearing Failure - Bearing Fatigue - Bearing Flanges - Bearing Lubricants – Bearing Material Selection & Benefits - Bearing Materials - Bearing Noise Levels - Bearing Prefix & Suffix - Bearing Precision - Bearing Retainers - Bearing Speed - Bearing Tolerances (440C & Chrome) - Brands - Ceramic Hybrid Bearings in Vibratory Applications - Full Ceramic vs Ceramic Hybrid -  Magnetism & Bearings - Measuring Miniature Parts - Static vs Dynamic Load