Metal bellows couplings, mini with clamp hubs (K1879)

· Play-free mini metal bellows couplings with clamping hubs

· For shaft diameters from 3 to 25 mm

· Torque range: 0.5 - 10 Nm

· Lowest moment of inertia

· Ideal for servo motors

Part Number

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Data to be displayed: 30; 45; 60

Part Number
K1879.0050250303
K1879.0050250404
K1879.0050250505
K1879.0050250606
K1879.0100260303
K1879.0100260305
K1879.0100260505
K1879.0100260506
K1879.0100260606
K1879.0150260505
K1879.0150260506
K1879.0150260508
K1879.0150260606
K1879.0150260608
K1879.0150260808
K1879.0200380606
K1879.0200380608
K1879.0200380610
K1879.0200380808
K1879.0200380810
K1879.0200381010
K1879.0450411010
K1879.0450411012
K1879.0450411014
K1879.0450411212
K1879.0450411214
K1879.0450411414
K1879.1000471212
K1879.1000471215
K1879.1000471219
K1879.1000471515
K1879.1000471519
K1879.1000471919

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	A (mm)	Tightening torque of screws (Nm)	C (ISO 4029)	D1 (H7) (mm)	D2 (H7) (mm)	D1/D2 min. (mm)	D1/D2 max. (mm)	D1/D2 max. bei Passfedernut (mm)	D4 (mm)	Spring stiffness axial (N/mm)	Spring stiffness radial (N/mm)	Size	L=Length (mm)	L2 (mm)	L3 (mm)	Moment of inertia (gcm²)	max. Torque (Nm)	max. Shaft offset axial (mm)	max. Shaft offset radial (mm)	R (mm)	Torsional stiffness (Nm/rad)	Weight (kg)
34.03 €	1	4 Days	5.2	0.43	M2	3	3	3	8	8	15.5	10	18	5	25	2.5	7	2.8	0.5	0.3	0.15	17.5	200	0.0078
34.03 €	1	4 Days	5.2	0.43	M2	4	4	3	8	8	15.5	10	18	5	25	2.5	7	2.8	0.5	0.3	0.15	17.5	200	0.0076
34.03 €	1	4 Days	5.2	0.43	M2	5	5	3	8	8	15.5	10	18	5	25	2.5	7	2.8	0.5	0.3	0.15	17.5	200	0.0074
34.03 €	1	4 Days	5.2	0.43	M2	6	6	3	8	8	15.5	10	18	5	25	2.5	7	2.8	0.5	0.3	0.15	17.5	200	0.0071
35.54 €	1	4 Days	5.2	0.43	M2	3	3	3	8	8	15.5	20	31	10	26	2.5	7	3.4	1	0.3	0.15	17.5	380	0.0091
35.54 €	1	4 Days	5.2	0.43	M2	3	5	3	8	8	15.5	20	31	10	26	2.5	7	3.4	1	0.3	0.15	17.5	380	0.0089
35.54 €	1	4 Days	5.2	0.43	M2	5	5	3	8	8	15.5	20	31	10	26	2.5	7	3.4	1	0.3	0.15	17.5	380	0.0087
35.54 €	1	4 Days	5.2	0.43	M2	5	6	3	8	8	15.5	20	31	10	26	2.5	7	3.4	1	0.3	0.15	17.5	380	0.0085
35.54 €	1	4 Days	5.2	0.43	M2	6	6	3	8	8	15.5	20	31	10	26	2.5	7	3.4	1	0.3	0.15	17.5	380	0.0084
36.34 €	1	4 Days	7	0.85	M2.5	5	5	3	10	10	20	15	59	15	26	3	8.5	8	1.5	0.3	0.1	21	750	0.0145
36.34 €	1	4 Days	7	0.85	M2.5	5	6	3	10	10	20	15	59	15	26	3	8.5	8	1.5	0.3	0.1	21	750	0.0143
36.34 €	1	4 Days	7	0.85	M2.5	5	8	3	10	10	20	15	59	15	26	3	8.5	8	1.5	0.3	0.1	21	750	0.0139
36.34 €	1	4 Days	7	0.85	M2.5	6	6	3	10	10	20	15	59	15	26	3	8.5	8	1.5	0.3	0.1	21	750	0.0142
36.34 €	1	4 Days	7	0.85	M2.5	6	8	3	10	10	20	15	59	15	26	3	8.5	8	1.5	0.3	0.1	21	750	0.0137
36.34 €	1	4 Days	7	0.85	M2.5	8	8	3	10	10	20	15	59	15	26	3	8.5	8	1.5	0.3	0.1	21	750	0.0132
35.58 €	1	4 Days	9	2	M3	6	6	3	14	14	25	11	21	20	38	3.5	11	27	2	0.4	0.2	27	1300	0.0320
35.58 €	1	4 Days	9	2	M3	6	8	3	14	14	25	11	21	20	38	3.5	11	27	2	0.4	0.2	27	1300	0.0314
35.58 €	1	4 Days	9	2	M3	6	10	3	14	14	25	11	21	20	38	3.5	11	27	2	0.4	0.2	27	1300	0.0307
35.58 €	1	4 Days	9	2	M3	8	8	3	14	14	25	11	21	20	38	3.5	11	27	2	0.4	0.2	27	1300	0.0308
35.58 €	1	4 Days	9	2	M3	8	10	3	14	14	25	11	21	20	38	3.5	11	27	2	0.4	0.2	27	1300	0.0300
35.58 €	1	4 Days	9	2	M3	10	10	3	14	14	25	11	21	20	38	3.5	11	27	2	0.4	0.2	27	1300	0.0291
51.19 €	1	4 Days	12	3.5	M4	10	10	6	18	18	32.5	32	168	45	41	5	13	100	4.5	0.3	0.1	34	6500	0.0621
51.19 €	1	4 Days	12	3.5	M4	10	12	6	18	18	32.5	32	168	45	41	5	13	100	4.5	0.3	0.1	34	6500	0.0609
51.19 €	1	4 Days	12	3.5	M4	10	14	6	18	18	32.5	32	168	45	41	5	13	100	4.5	0.3	0.1	34	6500	0.0596
51.19 €	1	4 Days	12	3.5	M4	12	12	6	18	18	32.5	32	168	45	41	5	13	100	4.5	0.3	0.1	34	6500	0.0597
51.19 €	1	4 Days	12	3.5	M4	12	14	6	18	18	32.5	32	168	45	41	5	13	100	4.5	0.3	0.1	34	6500	0.0584
51.19 €	1	4 Days	12	3.5	M4	14	14	6	18	18	32.5	32	168	45	41	5	13	100	4.5	0.3	0.1	34	6500	0.0570
58.29 €	1	4 Days	15.5	4.5	M4	12	12	6	25	25	40.5	27	120	100	47	5	13.5	233	10	0.4	0.15	41.5	8100	0.0988
58.29 €	1	4 Days	15.5	4.5	M4	12	15	6	25	25	40.5	27	120	100	47	5	13.5	233	10	0.4	0.15	41.5	8100	0.0967
58.29 €	1	4 Days	15.5	4.5	M4	12	19	6	25	25	40.5	27	120	100	47	5	13.5	233	10	0.4	0.15	41.5	8100	0.0933
58.29 €	1	4 Days	15.5	4.5	M4	15	15	6	25	25	40.5	27	120	100	47	5	13.5	233	10	0.4	0.15	41.5	8100	0.0945
58.29 €	1	4 Days	15.5	4.5	M4	15	19	6	25	25	40.5	27	120	100	47	5	13.5	233	10	0.4	0.15	41.5	8100	0.0908
58.29 €	1	4 Days	15.5	4.5	M4	19	19	6	25	25	40.5	27	120	100	47	5	13.5	233	10	0.4	0.15	41.5	8100	0.0873

Basic information

Version 1	with radial clamping hub	Item	Metal Bellows Coupling	Main material	aluminium
Component material	stainless steel	max. Rotational speed(rpm)	15000	max. Angular offset (°)	1.5
PL Edelstahl	false	RoHS	true

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Basic Attributes

A(mm)
5.2

7

9

12

15.5
Clear
Tightening torque of screws(Nm)
0.43

0.85

2

3.5

4.5
Clear
C (ISO 4029)
M2

M2.5

M3

M4
Clear
D1 (H7)(mm)
3

4

5

6

8

10

12

14

15

19
Clear
D2 (H7)(mm)
3

4

5

6

8

10

12

14

15

19
Clear
D1/D2 min.(mm)
3

6
Clear
D1/D2 max.(mm)
8

10

14

18

25
Clear
D1/D2 max. bei Passfedernut(mm)
8

10

14

18

25
Clear
D4(mm)
15.5

20

25

32.5

40.5
Clear
Spring stiffness axial(N/mm)
10

11

15

20

27

32
Clear
Spring stiffness radial(N/mm)
18

21

31

59

120

168
Clear
Size
5

10

15

20

45

100
Clear
L=Length(mm)
25

26

38

41

47
Clear
L2(mm)
2.5

3

3.5

5
Clear
L3(mm)
7

8.5

11

13

13.5
Clear
Moment of inertia(gcm²)
2.8

3.4

8

27

100

233
Clear
max. Torque(Nm)
0.5

1

1.5

2

4.5

10
Clear
max. Shaft offset axial(mm)
0.3

0.4
Clear
max. Shaft offset radial(mm)
0.1

0.15

0.2
Clear
R(mm)
17.5

21

27

34

41.5
Clear
Torsional stiffness(Nm/rad)
- 200
- 380
- 750
- 1300
- 6500
- 8100
Clear
Weight(kg)
0.0071

0.0074

0.0076

0.0078

0.0084

0.0085

0.0087

0.0089

0.0091

0.0132

0.0137

0.0139

0.0142

0.0143

0.0145

0.0291

0.0300

0.0307

0.0308

0.0314

0.0320

0.0570

0.0584

0.0596

0.0597

0.0609

0.0621

0.0873

0.0908

0.0933

0.0945

0.0967

0.0988
Clear
Type
Clear
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