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NSK Spherical Roller Bearings: High-Performance Solution

The NSK Spherical Roller Bearings, specifically the Cylindrical Bore Bearings 21307CDE4 with a diameter of 35mm, are designed to provide exceptional load-carrying capacity and durability. These bearings are engineered for high-temperature applications, up to 200°C, and are classified as NSKHPSTM bearings, which stand out for their superior performance and high load capacity. Key features include a pressed-steel cage for added strength and a machined-brass cage option for enhanced performance. This versatile bearing is suitable for a wide range of industrial applications where reliability and high-speed operation are critical.

Technical Specifications and Performance

The NSK Spherical Roller Bearings 21307CDE4 come with a variety of technical specifications that make them ideal for demanding applications. The bearing has a diameter of 35mm, an outer diameter of 80mm, and a width of 21mm, providing ample space for high loads. It features an oil groove and holes in the outer ring to facilitate lubrication, ensuring smooth operation and extended service life. The basic load ratings are impressive, with Cr and C0r values of 71.5 kN and 76 kN, respectively. The limiting speeds for grease and oil lubrication are 7100 min-1 and 5300 min-1, indicating the bearing's capability to handle high-speed operations. Additionally, the axial load factors (Y2, Y3, Y0) are 3.6, 2.4, and 2.4, respectively, ensuring stability under load.

Applications and Benefits

The NSK Spherical Roller Bearings are ideal for a wide range of applications, including industrial machinery, automotive systems, and heavy-duty equipment. Their high load capacity and superior performance make them suitable for heavy-duty operations, where reliability is paramount. The bearings' ability to operate at high temperatures up to 200°C makes them ideal for high-temperature environments. Their versatile design and robust construction ensure long-lasting performance, reducing maintenance costs and downtime. Whether used in a factory setting or an automotive application, these bearings provide the reliability and efficiency that modern machinery demands. By choosing NSK Spherical Roller Bearings, you can trust in a product that is built to last and deliver exceptional performance.