Miniature Metal Bellows Couplings MK

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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 Coupling MK3 Series 0.5 - 10 Nm

Model MK3		Series
		5			10			15		20			45		100
Rated torque (Nm)	T_KN	0.5			1.0			1.5		2.0			4.5		10
Overall length (mm)	A	20	23	26	22	25	28	24	30	27	33	36	36	44	41	51
Outer diameter (mm)	B	15			15			19		25			32		40
Fit length of hub (mm)	C₁	9			9			11		13			16		16
Shaft length (mm)	C₂	10			10			12		12			15		20
Special bores from Ø to Ø H7 (mm)	D₁	3-7			3-7			4-8		4-12.7			5-16		6-24
Standard bore H7 (mm)	D₁	6			6			6		6/10			10		10
Standard shaft f7 (mm)	D₂	8			8			10		12			14		16
Screw ISO 4762	E	M2			M2			M2.5		M3			M4		M4
Tighting torque of the assembly screw (Nm)	E	0.43			0.43			0.85		2.3			4		4.5
Distance between centers (mm)	F	4.5			4.5			6		8			10		15
Distance (mm)	G	3			3			3.5		4			5		5
Screw ISO 4762	I	M3			M3			M4		M4			M5		M6
Tighting torque of the assembly screw (Nm)	I	1.5			1.5			3		4			6.5		11
Mass moment of inertia (gcm²)	J	2.6	2.8	3.0	3.0	3.4	3.6	8.5	9.5	25	27	29	100	108	160	205
Torsional stiffness (Nm/rad)	C_T	280	210	170	510	380	320	750	700	1200	1300	1200	7000	5000	9050	8800
axial (mm)	max.	0.4	0.5	0.6	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	0.25	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	1.5	2	1.5	1.5	1.5	1.5	2	1.5	2	1.5	2
Downloads Short Version		5			10			15		20			45		100
2D-DXF (ZIP folder)
3D-EXE (Viewer)
3D-STEP (ZIP folder)
Downloads Midsize Version		5			10			15		20			45		100
2D-DXF (ZIP folder)
3D-EXE (Viewer)
3D-STEP (ZIP folder)
Downloads Long Version		5			10			15		20			45		100
2D-DXF (ZIP folder)
3D-EXE (Viewer)
3D-STEP (ZIP folder)