{"product_id":"nbk-japan-mbb-40c-20mm-to-7-8-inch-bellows-type-fl","title":"NBK Japan MBB-40C 20mm to 7\/8\" inch Bellows-type Flexible Coupling, Zero-Backlash Bellows Flexible Shaft Coupling for Servo and Stepper Motors","description":"\u003cdiv\u003eNBK Japan MBB-40C 20mm to 7\/8 Inch Bellows Type Flexible Coupling for Servo and Stepper Motors, Zero-Backlash ✔️ Compact bellows style coupling with 20 mm to 7\/8 in bores, 51 mm length, 40 mm OD, zero backlash, high torsional rigidity for precise motion\n\u003cp\u003e\nNBK Japan MBB-40C is a bellows type flexible shaft coupling designed to join servo or stepper motors to driven shafts. It absorbs eccentricity, angular misalignment and end play, helping maintain smooth, accurate motion in CNC machines, robotics, and automation projects. This unit is sold as a single pack.\n\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore 1\u003c\/td\u003e\n\u003ctd\u003e20 mm (0.79 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore 2\u003c\/td\u003e\n\u003ctd\u003e22.23 mm (7\/8 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e51 mm (2.01 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003e40 mm (1.57 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n✅ Bellows-type flexible coupling for misalignment compensation\u003cbr\u003e\n✅ Bore 1 20 mm, Bore 2 7\/8 in (22.23 mm)\u003cbr\u003e\n✅ Length 51 mm, Outer Ø 40 mm (2.01 in \/ 1.57 in)\u003cbr\u003e\n✅ Zero backlash with high torsional rigidity\u003cbr\u003e\n✅ High torque capacity and constant velocity drive\u003cbr\u003e\n✅ Made in Japan, single unit\u003cbr\u003e 💡 What is a bellows type flexible coupling used for and how does it help servo motors?\nThis quick overview explains the core benefits and applications for this style.\n- Zero backlash, precise motion transfer for motors\n- Accommodates angular misalignment and end play\n- High torsional rigidity reduces deflection at torque peaks\n- Handy, reliable Japanese-made quality for CNCs and automation\nThis handy design keeps drive smooth and accurate in robotics, CNCs, and automation setups.\n\u003c\/div\u003e","brand":"NBK","offers":[{"title":"Default Title","offer_id":43560071659755,"sku":"MBB-40C-20mm-7-8inch","price":226.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/nbk-japan-mbb-40c-20mm-to-78-inch-bellows-type-flexible-coupling-vxb-ball-bearings-1.jpg?v=1770442672","url":"https:\/\/vxb.com\/products\/nbk-japan-mbb-40c-20mm-to-7-8-inch-bellows-type-fl","provider":"VXB Bearings","version":"1.0","type":"link"}