GQZ NA4902 Needle Roller Bearing 15x28x13mm Machined Ring Needle Bearing with Inner Ring for Motorcycle Power Tools Reducer Key Specifications Compact radial cross-section, saves installation space High radial load carrying capacity Equipped with machined inner ring Suitable for continuous rotation and oscillating motion Stable performance under medium operating speeds Typical Applications needle roller bearings are widely used in motorcycle transmissions, power tools, small