Metal Bellows Couplings BK

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MODEL SERIES BK	BK1	BK2, BKC and BKL	BKH	BK3	BK4	BK5	BK6	BK7	BK8	BKM
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Series from 15 - 1500 Nm

Data table Bellows Coupling BK8 design series 15 - 1500 Nm

Model BK8		Series
Model BK8		15	60	150	300	1500
Robot flange centering diameter (mm)		40h7	63h7	80h7	100h7	160h7
Robot flange bolt circle / thread Ø (mm)		31,5 8x M5	50 8x M6	63 12x M6	80 12 M8	125 12x M10
Max. torque* (Nm)		50	210	380	750	2600
Length -2 (mm)	A₁	49	67	72	90	140
Length -2 (mm)	A₂	68	97	100	128	190
Outher diameter (mm)	B₁	49	66	82	110	157
Flange diameter (mm)	B₂	63,5	86,5	108	132	188
Fit length (mm)	C₁	16,5	23	27,5	34	55
Inner diameter possible from Ø to Ø H7 (mm)	D₁	12-28	14-35	19-42	24-60	50-80
Hub bolt circle (mm)	DL	56,5	76	97	120	170
Fastening threads	DL	10x M4	10x M5	10x M6	12x M6	16x M8
Fastening screws ISO 4762	E	1x M5	1x M8	1x M10	1x M12	2x M20
Tightening torque (Nm)	E	8	45	80	120	470
Distance (mm)	F	1x17,5	1x23	1x27	1x39	2x55
Distance (mm)	G	6,5	9,5	11	13	22,5
Approx. weight (kg)		0,3	0,7	1	2,8	10
Moment of interia (10^-3 kgm²)	J_ges	0,15	0,65	1,3	5,5	45
Axial (mm)	max.	1	1,5	2	2,5	3
Lateral (mm)	max.	0,25	0,25	0,25	0,25	0,25
Angular (degrees)	max.	1	1	1	1	1
Downloads		15	60	150	300	1500
3D-STEP (ZIP folder)

*max. torque transmittable for a short-therm period on max. diameter.

Order example for Bellow Coupler BK8 Required information for Servo Bellows Coupling model BK8

Last update: 2010-03-11