This precision-engineered deep groove ball bearing features an innovative thin-walled design that maximizes space efficiency while maintaining exceptional performance. Crafted from high-grade bearing steel, this 30x42x7mm bearing delivers outstanding durability and reliability in demanding applications. The specialized thin wall construction reduces overall weight without compromising structural integrity. Available in both ZZ (metal shield) and RS (rubber seal) configurations, this bearing provides excellent protection against dust and contaminants while ensuring smooth, quiet operation at high speeds. Part of the comprehensive 6800-6810 series, this versatile bearing is ideal for automotive transmission applications and other precision mechanical systems where space is at a premium. The optimized design allows for reduced friction and minimal heat generation during operation, contributing to extended service life and reliable performance in critical applications.