NSK B31Z-19 Bearing 31.4×78.5×15mm for Automotive Gearbox Applications Product Overview The NSK B31Z-19 bearing measures 31.4 × 78.5 × 15 mm and is designed for compatible automotive and machinery applications. Manufactured to meet NSK quality standards, it is suitable for replacement and maintenance needs. *Need a quick quote? Just send us your bearing model & quantity — we’ll get back to you fast. Key Specifications Parameter Specification Brand NSK Model B31Z-19 Inner