Premium Quality: Manufactured by SKF, a trusted name in precision engineering. Double Rubber Seals (2RS): Offers excellent protection against contaminants for extended bearing life. C3 Clearance: Ensures optimal performance in high-speed and high-temperature conditions. Pre-Lubricated: Ready to use for smooth, maintenance-free operation. Standard Dimensions: 20x52x15 mm, compatible with a variety of machinery.C3 Clearance: Ensures optimal performance in high-speed and high-temperature conditions. Pre-Lubricated: Ready to use for smooth, maintenance-free operation. Standard Dimensions: 20x52x15 mm, compatible with a variety of machinery. The 6304-2RS C3 SKF Brand Rubber Seal Ball Bearing is a high-quality, durable bearing designed for smooth and efficient performance. Measuring 20 mm inner diameter, 52 mm outer diameter, and 15 mm width, this double-sealed ball bearing is crafted for demanding industrial, automotive, and agricultural applications. Its C3 clearance ensures reliable operation under high speeds and heat, while the double rubber seals provide protection against dust and moisture. Pre-lubricated for hassle-free use, the 6304-2RS bearing guarantees minimal maintenance and long-lasting performance in heavy-duty environments.