Metal Bellows Couplings GWB CKN

'CKN' is the production series which grants customers a maximum of application liberties. The flange mounting offers manifold possibilities to establish a connection with the element or add hubs, flanges and fittings. Depending on the chosen model, CKN has been designed for very high torques of up to 5,000 Nm.

Download

Request

Technical Data & CAD Models

Download of CAD data is available to you after login with your personal Customer or Distributor Account. You do not have an account yet? Register here without any costs or obligations.

Size	L mm	d₁ mm	B mm	D₁ mm	T Nm	n_max 1/min	ΔK_a mm	ΔK_w Grad	ΔK_r mm	D_G1 mm	T_A1 Nm
18	36	22	46	46	22	13900	0,5	1,5	0,2	M5	5,9
18	44	22	46	46	22	13900	0,5	1,5	0,2	M5	5,9
30	30	28	56	55	36	11000	0,4	1,0	0,1	M5	5,9
30	38	28	56	55	36	11000	0,5	1,5	0,2	M5	5,9
60	41	38	66	64	75	9000	0,4	1,0	0,1	M6	10
60	51	38	66	64	75	9000	0,5	1,5	0,2	M6	10
80	52	50	82	80	96	7100	0,4	1,0	0,2	M6	10
80	62	50	82	80	96	7100	0,5	1,5	0,2	M6	10
150	52	50	82	80	180	7100	0,4	1,0	0,2	M6	15
150	62	50	82	80	180	7100	0,5	1,5	0,2	M6	15
200	51	50	90	90	240	6600	0,4	1,0	0,2	M6	18
200	63	50	90	90	240	6600	0,5	1,5	0,2	M6	18
300	55	50	110	109	360	5200	0,4	1,0	0,2	M8	25
300	66	50	110	109	360	5200	0,5	1,5	0,2	M8	25
500	61	70	122	119	600	4600	0,5	1,0	0,2	M8	36
500	72	70	122	119	600	4600	1,0	1,5	0,2	M8	36
800	130	85	157	140	960	3700	1,0	1,5	0,2	M16	210
1400	130	85	157	140	1680	3700	1,0	1,5	0,2	M16	210
3000	130	100	199	180	3000	3700	1,0	1,5	0,2	M20	365
5000	143	145	250	230	5000	3000	1,0	1,5	0,2	M20	365

Size	L inch	d₁ inch	B inch	D₁ inch	T ft-lbs	n_max rpm	ΔK_a inch	ΔK_w degree	ΔK_r inch	D_G1 mm	T_A1 ft-lbs
18	1.417	0.866	1.811	1.811	16	13900	0.020	1.5	0.008	M5	4.4
18	1.732	0.866	1.811	1.811	16	13900	0.020	1.5	0.008	M5	4.4
30	1.181	1.102	2.205	2.165	27	11000	0.016	1.0	0.004	M5	4.4
30	1.496	1.102	2.205	2.165	27	11000	0.020	1.5	0.008	M5	4.4
60	1.614	1.496	2.598	2.520	55	9000	0.016	1.0	0.004	M6	7.4
60	2.008	1.496	2.598	2.520	55	9000	0.020	1.5	0.008	M6	7.4
80	2.047	1.969	3.228	3.150	71	7100	0.016	1.0	0.008	M6	7.4
80	2.441	1.969	3.228	3.150	71	7100	0.020	1.5	0.008	M6	7.4
150	2.047	1.969	3.228	3.150	133	7100	0.016	1.0	0.008	M6	11.0
150	2.441	1.969	3.228	3.150	133	7100	0.020	1.5	0.008	M6	11.0
200	2.008	1.969	3.543	3.543	177	6600	0.016	1.0	0.008	M6	13.0
200	2.480	1.969	3.543	3.543	177	6600	0.020	1.5	0.008	M6	13.0
300	2.165	1.969	4.331	4.291	266	5200	0.016	1.0	0.008	M8	18.0
300	2.598	1.969	4.331	4.291	266	5200	0.020	1.5	0.008	M8	18.0
500	2.402	2.756	4.803	4.685	443	4600	0.020	1.0	0.008	M8	27.0
500	2.835	2.756	4.803	4.685	443	4600	0.039	1.5	0.008	M8	27.0
800	5.118	3.346	6.181	5.512	708	3700	0.039	1.5	0.008	M16	155.0
1400	5.118	3.346	6.181	5.512	1239	3700	0.039	1.5	0.008	M16	155.0
3000	5.118	3.937	7.835	7.087	2213	3700	0.039	1.5	0.008	M20	269.0
5000	5.630	5.709	9.843	9.055	3688	3000	0.039	1.5	0.008	M20	269.0

Images & Drawings

Dimensions

Product Characteristics

Backlash-free transmission of torque
High torsional stiffness, precision of transmission of rotational angle
Different torsional stiffness
Compact design, low moment of inertia
Metal bellows made of stainless steel
Simple and safe assembly
Compensation of radial, axial and angular misalignment
Free of wear, maintenance-free, no downtimes
Not sensitive to temperatures between -30°C and +100°C
Nominal torques between 0,1 – 5000 Nm

Advantages

100% inspection and traceability through individual marking
Higher torques at same dimensions
Compact design
Extended bore ranges
Customer-specific solutions
Higher safety in application, e.g. no wrong screw tightening torques

Backlash-free Metal Bellows Couplings are used in the sector of mechanical engineering, where a torque or a rotary motion has to be transmitted from shaft to shaft in highest accuracy of angle.