The BL316 ZZNR1 AS2S NSK Radial Ball Bearing is designed with advanced sealing technology for superior protection against contaminants. With a bore size of 80 mm and an outer diameter of 170 mm, this bearing is ideal for high-load applications. The ZZNR1 designation indicates metal shields on both sides, enhancing durability and performance. Rated for speeds up to 4,000 RPM and operating effectively in temperatures from -30°C to +120°C, this bearing meets ISO standards, making it a reliable choice for various industrial applications.