W627/4-2Z & W634 Deep Groove Ball Bearings for Tool Machinery Motors

<h2>Basic Info.</h2> <table> <tr><td>Inner Diameter</td><td>4 mm</td></tr> <tr><td>Outer Diameter</td><td>16 mm</td></tr> <tr><td>Thickness</td><td>4 mm</td></tr> <tr><td>Model</td><td>W627/4-2Z, W627/4 R-2Z, W634</td></tr> <tr><td>Lubrication</td><td>Grease or Oil</td></tr> <tr><td>Origin</td><td>China</td></tr> </table> <h2>Introduction</h2> High-precision miniature ball bearings with rich stock, 100% on-time delivery, and OEM/ODM service. Suitable for precision instruments, motors, and automation equipment. Features high-grade grease technology, low vibration (Z1V1–Z3V3), and multiple brand options (NSK, NTN, Timken, etc.).

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