Miniature Metal Bellows Couplings MK

Please select a Miniature Bellows Coupling:

MODEL SERIES MK	MK1	MK2	MK3	MK4	MK5	MK6	BKL 003	FK1
	General \| Technical information \| 2D and 3D download

Series from 0.5 - 10 Nm

Data table and Downloads Miniature Bellows Coupling MK5 Series 0.5 - 10 Nm

Model MK5		Series
		5			15		20			45		100
Rated torque (Nm)	T_KN	0.5			1.5		2.0			4.5		10
Overall length without any pretensioning (mm)	A	27	30	33	34	39	37	43	46	49	57	55	65
Outer diameter (mm)	B	15			19		25			32		40
Fit length of hub (mm)	C₁	9			11		13			16		16
Fit length of hub (mm)	C₂	12			14		16			20		21.5
Non standard bores from Ø to Ø H7 (mm)	D_1/2	3-6.35			3-8		3-12.7			5-16		5-20 (D₁: 24)
Standard bore H7 (mm)	D_1/2	6			6		6/10			10		10
Set screw ISO 4762	E	M2			M2.5		M3			M4		M4
Tighting torque (Nm)	E	0.43			0.85		2.3			4		4.5
Distance between centers (mm)	F	4.5			6		8			10		15
Distance (mm)	G	3			3.5		4			5		5
Pretensioning approx. (mm)	H	0.4			0.5		0.5			0.7		1
Axial recovery force of coupling (N)		5	3	2	4	3	3	4	3	15	10	25	30
Mass moment of inertia (gcm²)	J_ges	3.0	3.2	3.5	9.0	10	28	30	33	110	120	220	230
Torsional stiffness (Nm/rad)	C_T	280	210	170	750	700	1200	1300	1200	7000	5000	9050	8800
axial (mm)	max.	0.4	0.5	0.6	0.5	0.7	0.5	0.6	0.7	0.7	1	1	1.2
lateral (mm)	max.	0.15	0.2	0.25	0.15	0.2	0.15	0.2	0.25	0.2	0.25	0.2	0.3
angular (degrees)	max.	1	1.5	2	1.5	1.5	1.5	1.5	2	1.5	2	1.5	2
Downloads Short Version		5			15		20			45		100
2D-DXF (ZIP folder)
3D-EXE (Viewer)
3D-STEP (ZIP folder)
Downloads Midsize Version		5			15		20			45		100
2D-DXF (ZIP folder)
3D-EXE (Viewer)
3D-STEP (ZIP folder)
Downloads Long Version		5			15		20			45		100
2D-DXF (ZIP folder)
3D-EXE (Viewer)
3D-STEP (ZIP folder)