NSK 6306VVCM NS7S

<h2>NSK 6306VVCM Deep Groove Ball Bearing</h2> <h3>Description</h3> <p>The NSK 6306VVCM is a high-performance, single-row deep groove ball bearing designed for precision and durability. As part of the NSKHPS series, it offers extended operational life and reliability, even under high-speed conditions. It is engineered with special CM clearance, making it ideal for electric motor applications where low noise and minimal vibration are critical.</p> <h3>Specifications</h3> <ul> <li>Manufacturer: NSK</li> <li>Model: 6306VVCM</li> <li>Full Type Number: 6306VVCM NS7S</li> <li>Bore Diameter (d): 30 mm</li> <li>Outer Diameter (D): 72 mm</li> <li>Width (B): 19 mm</li> <li>Seals: VV (Non-contact rubber seals on both sides)</li> <li>Clearance: CM (For electric motors)</li> <li>Series: NSKHPS (High Performance Standard)</li> </ul> <h3>Label Info</h3> <ul> <li>Brand: NSK Bearings</li> <li>Part Number: 6306VVCM</li> <li>Additional Codes: & NS7S, 112</li> </ul> <h3>Application</h3> <p>This bearing is perfectly suited for a wide range of industrial applications, including electric motors, pumps, gearboxes, fans, and other rotating machinery requiring high-speed capability and low operational noise.</p> <h3>Country of Origin</h3> <p>Made in Japan.</p> <h3>CO2 Impact</h3> <p>Choosing this surplus item saves approximately 0.7 kg of CO2 compared to manufacturing a new one, contributing to a more sustainable industrial environment.</p> <h3>Availability</h3> <p>This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.</p> <h3>FAQ</h3> <p> <strong>What does the ‘VVCM’ suffix mean for this NSK 6306 bearing?</strong><br> The suffix provides key information. ‘VV’ indicates that the bearing is equipped with two non-contact rubber seals, one on each side, offering excellent protection against contaminants without increasing rotational friction. ‘CM’ specifies that the bearing has a special internal clearance and noise/vibration level suitable for electric motor applications, ensuring quiet and efficient operation. </p> <p> <strong>Is the grease in this bearing suitable for high-temperature applications?</strong><br> This bearing is likely filled with a standard high-quality grease like Kyodo Yushi Multemp PS2 (indicated by the NS7S code), suitable for a wide operating temperature range, typically from -40 deg C to +120 deg C. For applications consistently exceeding this range, a special high-temperature grease and bearing configuration would be required. Always consult the manufacturer’s datasheet for specific temperature limits. </p> <p> <strong>Can I use this 6306VVCM bearing to replace a 6306-2RS or 6306ZZ bearing?</strong><br> Yes, in many cases. A 6306VVCM is often a superior replacement. The ‘VV’ non-contact seal is an upgrade over a standard ‘2RS’ contact seal, offering lower friction and better high-speed capability. It is also an upgrade over a ‘ZZ’ metal shield, as it provides better protection against fine dust and moisture. However, you must ensure the ‘CM’ clearance is appropriate for your application, which it typically is for general and electric motor use. </p> <p><em>spareparts2day is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners.</em></p> <p>Last Update: Friday, March 13, 2026</p>