SW MR694ZZ Miniature Precision Deep Groove Ball Bearing - 4x11x4mm Double Metal Shielded
The SW MR694ZZ miniature radial bearing is engineered for extremely high rotational accuracy and reduced operational friction in compact industrial applications. Part of the extra-light 69 series, this bearing features a 4mm bore, 11mm outer diameter, and 4mm width, conforming to stringent ISO and ABEC precision standards. Constructed from robust 52100 high-carbon chromium steel, the MR694ZZ provides a Dynamic Load Rating (Cr) of 0.98 kN, ensuring reliable performance under light-to-moderate radial and moderate thrust loads. The 'ZZ' designation confirms the use of non-contact double metal shields, pre-lubricated with high-performance industrial grease, optimizing it for high-speed operation (up to 50,000 RPM) while protecting the internal raceways from dry particulate contaminants.
Designed specifically for critical instrumentation, small electric motors, dental equipment, high-speed spindles, and precision robotics, the SW MR694ZZ delivers exceptional longevity and reduced total cost of ownership (TCO). SW ensures optimal race geometry and surface finish, minimizing vibration and heat generation, which is crucial in sensitive electronic or pneumatic systems. When selecting bearings where space and weight are primary constraints, this miniature shielded unit offers superior stability and operational consistency compared to standard sized alternatives, guaranteeing maximum efficiency across demanding, confined operational environments.
Key Features
Extra-light 69 series construction ideal for space-constrained assemblies.
Double metal shields (ZZ) provide robust protection against dry contaminants while maximizing operational speed.
High-precision ABEC-3 tolerance class for reduced vibration and smooth rotation.
Engineered using 52100 bearing steel for maximized service life and durability under fatigue loads.
Pre-lubricated with industrial grease, suitable for immediate, maintenance-free installation.
