12-25mm Stainless Steel Bellows Coupling

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$143.76

12-25mm stainless steel bellows coupling for sale, which has a rated torque of 33 Nm and an allowable speed of 3900 rpm. This high torque tube coupling offers excellent accuracy, smooth operation and long service life, making it ideal for use in a wide range of industrial and commercial applications.

φd1 Inner Diameter Size (mm) *
φd2 Inner Diameter Size (mm) *

SKU: ATO-BC-5572

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Delivery date: 6-12 days

Overview

Purchase the high sensitivity stainless steel bellows coupling online in shaft sizes 12-25mm, outside diameter 55mm and length 72mm. This small size stainless steel bellows coupling is precision engineered to provide superior performance and reliability even in the most demanding applications.

Specification

Model	ATO-GRCG-55x72
Rated Torque	33 Nm
Allowable Eccentricity	0.2mm
Allowable Deflection	2°
Allowable Axial Misalignment	+0.7-1.5
Allowable Speed	3700 rpm
Static Torsional Stiffness	860 Nm/rad
Moment of Inertia	3.7x10-5
Weight	735g

Dimension (unit: mm)

d1/d2	ΦD	L	L1	L2	L3	ΦN	F	M	Tightening Torque
810-11-12-14-15-18-19-20-22-24-25	55	72	16.5	6	27	51.9	10	M6	13 Nm

Keyway Machining Dimensions Comparison Table

Shaft Size	Keyway Standard Processing Size				Keyway Size
d1/d2	b		t		bxh
d1/d2	Slot Width	Tolerance	Grooving Depth	Tolerance	bxh
φ6-φ7.9	2	±0.0125	1	±0.10	2x2
φ8-φ10	3	±0.0150	1.4		3x3
φ10.1-φ12	4		1.8		4x4
φ12.1-φ17	5		2.3		5x5
φ17.1-φ22	6	±0.0180	2.8		6x6
φ22.1-φ30	8	±0.0180	3.3	±0.20	8x8
φ30.1-φ38	10	±0.0215	3.3		10x10
φ38.1-φ44	12		3.8		12x12
φ44.1-φ50	14		4.3		14x14
φ50.1-φ58	16		4.4		16x16
φ58.1-φ65	18		4.4		18x18

Applications

Bellows couplings are commonly used in robotics, medical equipment, semiconductor manufacturing, and aerospace industries. Bellows couplings can transmit torque and rotational motion while compensating for misalignments, which makes them ideal for applications where high accuracy and repeatability are critical.

Bellows couplings applications

Tips: How to install a bellows couplings?

Installing a bellows coupling involves the following steps:

Gather the necessary tools and materials: You'll need the bellows coupling, a torque wrench, a set of Allen wrenches, and any additional hardware required for your specific application.
Prepare the shafts: Clean the shafts that will be connected by the coupling. Make sure they are free from any debris or residue that could interfere with the coupling's ability to grip the shafts.
Position the coupling: Slide the bellows coupling over one of the shafts, ensuring that the coupling's orientation matches the intended application. Align the coupling with the other shaft and ensure that the bellows are not twisted or distorted.
Tighten the set screws: Using the Allen wrenches, tighten the set screws on the coupling. Be sure to follow the manufacturer's recommended torque specifications.
Test the coupling: Rotate the shafts to ensure that the coupling is securely fastened and that there is no excessive play or misalignment. Check for any signs of wear or damage that may have occurred during installation.

It's important to note that the installation process for a bellows coupling may vary depending on the specific type of coupling and the application. Always consult the manufacturer's instructions and recommendations for proper installation procedures.

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