1. Product Overview NCB35-149.A non-standard open single row deep groove ball bearing, dimension 35mm bore × 62mm outer diameter × 12mm width, NCB dedicated transmission series with A high-precision tolerance upgrade. Open structure without rubber seals, equipped with stamped steel cage and standard C0 internal clearance. It supports radial load and minor bidirectional axial load, running smoothly and low-noise under long-duration high-speed shifting vibration. Manufactured