Metal bellows couplings, mini with grub screw (K1878)

· Play-free mini metal bellows couplings with grub screw

· For shaft diameters from 3 to 24 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
K1878.0050230303
K1878.0050230404
K1878.0050230505
K1878.0050230606
K1878.0100250303
K1878.0100250305
K1878.0100250505
K1878.0100250506
K1878.0100250606
K1878.0150260505
K1878.0150260506
K1878.0150260508
K1878.0150260606
K1878.0150260608
K1878.0150260808
K1878.0200280606
K1878.0200280608
K1878.0200280610
K1878.0200280808
K1878.0200280810
K1878.0200281010
K1878.0450401010
K1878.0450401012
K1878.0450401014
K1878.0450401212
K1878.0450401214
K1878.0450401414
K1878.1000451212
K1878.1000451215
K1878.1000451219
K1878.1000451515
K1878.1000451519
K1878.1000451919

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	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)	D5 (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)	Torsional stiffness (Nm/rad)	Weight (kg)
21.87 €	1	4 Days	0.5	1xM3	3	3	3	8	8	15	13.5	10	18	5	23	2	6	1.5	0.5	0.3	0.15	200	0.0058
21.87 €	1	4 Days	0.5	1xM3	4	4	3	8	8	15	13.5	10	18	5	23	2	6	1.5	0.5	0.3	0.15	200	0.0057
21.87 €	1	4 Days	0.5	1xM3	5	5	3	8	8	15	13.5	10	18	5	23	2	6	1.5	0.5	0.3	0.15	200	0.0055
21.87 €	1	4 Days	0.5	1xM3	6	6	3	8	8	15	13.5	10	18	5	23	2	6	1.5	0.5	0.3	0.15	200	0.0053
24.22 €	1	4 Days	0.5	1xM3	3	3	3	8	8	15	13.5	20	31	10	25	2	6	2	1	0.3	0.15	360	0.0075
24.22 €	1	4 Days	0.5	1xM3	3	5	3	8	8	15	13.5	20	31	10	25	2	6	2	1	0.3	0.15	360	0.0077
24.22 €	1	4 Days	0.5	1xM3	5	5	3	8	8	15	13.5	20	31	10	25	2	6	2	1	0.3	0.15	360	0.0060
24.22 €	1	4 Days	0.5	1xM3	5	6	3	8	8	15	13.5	20	31	10	25	2	6	2	1	0.3	0.15	360	0.0066
24.22 €	1	4 Days	0.5	1xM3	6	6	3	8	8	15	13.5	20	31	10	25	2	6	2	1	0.3	0.15	360	0.0060
28.91 €	1	4 Days	1.5	2xM4	5	5	3	12	8	19	19	15	59	15	26	3	8	2	1.5	0.3	0.1	750	0.0130
28.91 €	1	4 Days	1.5	2xM4	5	6	3	12	8	19	19	15	59	15	26	3	8	6	1.5	0.3	0.1	750	0.0130
28.91 €	1	4 Days	1.5	2xM4	5	8	3	12	8	19	19	15	59	15	26	3	8	6	1.5	0.3	0.1	750	0.0130
28.91 €	1	4 Days	1.5	2xM4	6	6	3	12	8	19	19	15	59	15	26	3	8	6	1.5	0.3	0.1	750	0.0130
28.91 €	1	4 Days	1.5	2xM4	6	8	3	12	8	19	19	15	59	15	26	3	8	6	1.5	0.3	0.1	750	0.0120
28.91 €	1	4 Days	1.5	2xM4	8	8	3	12	8	19	19	15	59	15	26	3	8	6	1.5	0.3	0.1	750	0.0116
29.47 €	1	4 Days	1.5	2xM4	6	6	3	14	10	24	21.5	11	21	20	28	3	6	12.6	2	0.4	0.2	1300	0.0130
29.47 €	1	4 Days	1.5	2xM4	6	8	3	14	10	24	21.5	11	21	20	28	3	6	12.6	2	0.4	0.2	1300	0.0130
29.47 €	1	4 Days	1.5	2xM4	6	10	3	14	10	24	21.5	11	21	20	28	3	6	12.6	2	0.4	0.2	1300	0.0130
29.47 €	1	4 Days	1.5	2xM4	8	8	3	14	10	24	21.5	11	21	20	28	3	6	12.6	2	0.4	0.2	1300	0.0130
29.47 €	1	4 Days	1.5	2xM4	8	10	3	14	10	24	21.5	11	21	20	28	3	6	12.6	2	0.4	0.2	1300	0.0130
29.47 €	1	4 Days	1.5	2xM4	10	10	3	14	10	24	21.5	11	21	20	28	3	6	12.6	2	0.4	0.2	1300	0.0130
45.13 €	1	4 Days	3	2xM6	10	10	6	19	13	32	29	32	168	45	40	4	12	68	4.5	0.3	0.1	6500	0.0491
45.13 €	1	4 Days	3	2xM6	10	12	6	19	13	32	29	32	168	45	40	4	12	68	4.5	0.3	0.1	6500	0.0570
45.13 €	1	4 Days	3	2xM6	10	14	6	19	13	32	29	32	168	45	40	4	12	68	4.5	0.3	0.1	6500	0.0570
45.13 €	1	4 Days	3	2xM6	12	12	6	19	13	32	29	32	168	45	40	4	12	68	4.5	0.3	0.1	6500	0.0570
45.13 €	1	4 Days	3	2xM6	12	14	6	19	13	32	29	32	168	45	40	4	12	68	4.5	0.3	0.1	6500	0.0550
45.13 €	1	4 Days	3	2xM6	14	14	6	19	13	32	29	32	168	45	40	4	12	68	4.5	0.3	0.1	6500	0.0530
46.61 €	1	4 Days	3	2xM6	12	12	6	24	17	40	36	27	120	100	45	4	12	150	10	0.4	0.15	8100	0.1050
46.61 €	1	4 Days	3	2xM6	12	15	6	24	17	40	36	27	120	100	45	4	12	150	10	0.4	0.15	8100	0.1020
46.61 €	1	4 Days	3	2xM6	12	19	6	24	17	40	36	27	120	100	45	4	12	150	10	0.4	0.15	8100	0.1020
46.61 €	1	4 Days	3	2xM6	15	15	6	24	17	40	36	27	120	100	45	4	12	150	10	0.4	0.15	8100	0.0998
46.61 €	1	4 Days	3	2xM6	15	19	6	24	17	40	36	27	120	100	45	4	12	150	10	0.4	0.15	8100	0.1000
46.61 €	1	4 Days	3	2xM6	19	19	6	24	17	40	36	27	120	100	45	4	12	150	10	0.4	0.15	8100	0.0980

Basic information

Version 1	clamping with grub screw	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

Tightening torque of screws(Nm)
0.5

1.5

3
Clear
C (ISO 4029)
1xM3

2xM4

2xM6
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

12

14

19

24
Clear
D1/D2 max. bei Passfedernut(mm)
8

10

13

17
Clear
D4(mm)
15

19

24

32

40
Clear
D5(mm)
- 13.5
- 19
- 21.5
- 29
- 36
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)
23

25

26

28

40

45
Clear
L2(mm)
2

3

4
Clear
L3(mm)
6

8

12
Clear
Moment of inertia(gcm²)
1.5

2

6

12.6

68

150
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
Torsional stiffness(Nm/rad)
- 200
- 360
- 750
- 1300
- 6500
- 8100
Clear
Weight(kg)
0.0053

0.0055

0.0057

0.0058

0.0060

0.0066

0.0075

0.0077

0.0116

0.0120

0.0130

0.0491

0.0530

0.0550

0.0570

0.0980

0.0998

0.1000

0.1020

0.1050
Clear
Type
Clear
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