Ringball Corporation Deep Groove Radial Ball Bearing, Bore Dia 30 mm, Outer Dia 72 mm, Width 19 mm, Double Seal

The KBC 6306-DD deep groove ball bearing features a 30mm bore diameter, 72mm outer diameter, and 19mm width, designed for high rotational speeds and radial loads. It is a single-row bearing with double rubber seals on both sides, providing effective protection against dust and contaminants. Manufactured to ABEC-1 precision and electric motor quality standards, it offers low noise and vibration performance. The bearing uses steel inner and outer rings with a polymer grease lubricant occupying about 30% of the internal space, ensuring smooth operation and durability in industrial and automation applications. This sealed radial bearing is ideal for demanding environments requiring reliable, maintenance-free performance.