Precision Chrome Steel R4ZZ Deep Groove Ball Bearing

High-performance chrome steel construction ensures exceptional durability and smooth rotation under heavy loads. Premium heat treatment process enhances hardness (HRC 58-62) while maintaining corrosion resistance.

Ultra-precise 6.35x15.875x4.978mm dimensions with HXHV-grade tolerances for vibration-free operation in high-speed applications. Mirror-polished raceways minimize friction for energy efficiency.

Ideal for electric motors, power tools, medical devices, and industrial machinery requiring compact, low-noise bearings. Sealed design prevents contaminant ingress in dusty/dirty environments.

Direct factory pricing with bulk discounts – global logistics support for wholesale buyers. Stocked in OEM-standard packaging with full metric specifications.