Introducing the High Speed Wheelchair Bearing Z3 V3 6948 RS Deep Groove Ball Bearings, manufactured exclusively by our factory. These ultra-high quality bearings are designed to provide optimal performance, precision and durability. With advanced Z3 V3 technology, they ensure smoother, faster and more reliable rotation. The 6948 RS design guarantees superior sealing performance, protecting the bearings from dust, dirt and other contaminants. Our factory ensures strict quality control measures and guarantees superior quality. These bearings are ideal for wheelchair applications, providing unparalleled performance and comfort.