Ultra-Precision Miniature Deep Groove Ball Bearings
High-performance MR series bearings with dimensions 7x4x2.5 mm, designed for micro-mechanical applications requiring low friction and high-speed rotation.
Premium Chrome Steel Construction
Hardened chrome steel rings and precision-ground balls ensure durability, smooth operation, and extended service life under heavy loads.
Advanced Sealed Design (MR74ZZ Model)
Dual metal shields (ZZ) prevent contamination while retaining lubrication, ideal for dusty or high-humidity environments.
Wide Industrial Applications
Perfect for miniature motors, medical devices, drones, RC models, optical instruments, and small automation equipment.
Global Wholesale Advantage
Direct factory pricing, bulk discounts, and fast worldwide shipping—lowest cost guarantee for OEMs and resellers.
Strict Quality Control
Each bearing undergoes rigorous testing for noise, vibration, and radial clearance to meet ISO standards.
Interchangeable with Leading Brands
Compatible with industry-standard MR52, MR62, MR63, MR72, MR83, MR84, and MR85 models for seamless replacement. Stock available in bulk—order today for unbeatable value in micro-bearing solutions.