{"product_id":"nbk-japan-mbb-40c-5mm-to-22mm-bellows-type-flexibl","title":"NBK Japan MBB-40C 5mm to 22mm Bellows-type Flexible Coupling, Zero-Backlash Bellows Flexible Shaft Coupling for Servo and Stepper Motors","description":"\u003cdiv\u003eNBK Japan MBB-40C Bellows-Type Flexible Coupling for Servo and Stepper Motors - 5 to 22 mm Bore, Zero-Backlash, Made in Japan\u003cbr\u003e\n✔️ Bore range 5 mm to 22 mm, length 51 mm, outer diameter 40 mm, zero-backlash, high torsional rigidity, ideal for servo and stepper motors\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e NBK Japan MBB-40C is a bellows-type flexible coupling designed to connect servo or stepper motors to driven shafts. It tolerates eccentricity, angular misalignment, and end-play while maintaining precise torque transmission. This compact unit features a 5-22 mm bore on one end, a 40 mm outer diameter, and a 51 mm length. It delivers zero-backlash, high torsional rigidity, and reliable performance for CNC, robotics, and automation projects. Made in Japan, this is a single-unit package ready for M4 mounting; recommended installation torque is 3.5 N-m.\u003c\/p\u003e ✅ Zero-backlash design for precise torque transmission\u003cbr\u003e\n✅ Bore range 5 mm to 22 mm to fit common servo\/stepper shafts\u003cbr\u003e\n✅ Outer diameter 40 mm, length 51 mm for a compact fit\u003cbr\u003e\n✅ Bellows element absorbs eccentricity, angular misalignment, and end-play\u003cbr\u003e\n✅ High torsional rigidity with good torque handling\u003cbr\u003e\n✅ Made in Japan by NBK, single-unit quantity\u003cbr\u003e\n✅ Mounting uses M4 hardware; recommended wrench torque 3.5 N-m\u003cbr\u003e 💡 What is a bellows-type flexible coupling used for in servo and stepper motor systems?\nThis common question highlights how it helps connect motors to driven loads with precision.\n- bellows-type flexible coupling with zero-backlash improves motion accuracy in servo\/stepper setups\n- supports angular misalignment and end-play while transmitting torque reliably\n- compact, durable NBK design from Japan offers dependable performance in automation This handy coupling keeps systems precise and smooth in robotics, CNC machines, and automation. \u003c\/div\u003e","brand":"NBK","offers":[{"title":"Default Title","offer_id":43560090108139,"sku":"MBB-40C-5mm-22mm","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-5mm-to-22mm-bellows-type-flexible-coupling-vxb-ball-bearings-1.jpg?v=1770442676","url":"https:\/\/vxb.com\/products\/nbk-japan-mbb-40c-5mm-to-22mm-bellows-type-flexibl","provider":"VXB Bearings","version":"1.0","type":"link"}