PREMIUM METAL SHIELDED DESIGN Introducing the MR148ZZ 8mm x 14mm x 4mm metal shielded bearing, proudly manufactured by Big Ball Bearings, a leader in high-performance components. These bearings are designed to deliver excellence in durability and functionality. UNMATCHED QUALITY AND WARRANTY Experience peace of mind with an exceptional 120-day warranty that backs the MR148ZZ bearings. This warranty is supported through the retailer, ensuring you receive prompt assistance if any issues arise. ENGINEERED FOR HIGH PERFORMANCE Crafted from high carbon chrome steel (Gcr15), these bearings are built for durability. The non-contact double metal shielding significantly reduces friction, enhancing performance while effectively sealing out debris. PRECISE TOLERANCES FOR OPTIMUM FUNCTION The MR148ZZ bearings feature precise tolerances, with an inner bore diameter tolerance of +/- 0.0002 and an outer diameter tolerance of +/- 0.0003, ideal for applications requiring reliability and precision. DESIGNED FOR HIGH RPM Rated for maximum speeds up to 45,000 RPM, these bearings offer excellent performance in both competitive racing and hobbyist settings. With a maximum outer ring radial runout of just 0.0004 and an inner ring radial runout of 0.0002, precision is guaranteed. With a robust design and reliable performance, the MR148ZZ bearing is a reliable choice for both enthusiasts and professionals looking for quality and durability.
