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Discontinued Products

Elastomer dog couplings, short type with clamp hubs (K1891) (Part Numbers - CAD Download)

· Play-free elastomer coupling clamp with grub screw

· For shaft diameters from 3 to 57 mm

· Torque range: 0.7 - 525 Nm

· Compensation of misalignments (axial, radial, angular)

· Axially attachment, thus very simple installation

Part Number

Once your search is narrowed to one product,
the corresponding part number is displayed here.

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Data to be displayed: 30; 45; 60

Part Number
K1891.19980501414
K1891.19980501415
K1891.19980501416
K1891.19980501515
K1891.19980501516
K1891.19980501616
K1891.24800581010
K1891.24800581818
K1891.24800581819
K1891.24800581820
K1891.24800581825
K1891.24800581919
K1891.24800581920
K1891.24800581925
K1891.24800582020
K1891.24800582025
K1891.24800582525
K1891.24920581010
K1891.24920581818
K1891.24920581819
K1891.24920581820
K1891.24920581825
K1891.24920581919
K1891.24920581920
K1891.24920581925
K1891.24920582020
K1891.24920582025
K1891.24920582525
K1891.24980581010
K1891.24980581818
K1891.24980581819
K1891.24980581820
K1891.24980581825
K1891.24980581919
K1891.24980581920
K1891.24980581925
K1891.24980582020
K1891.24980582025
K1891.24980582525
K1891.28800621414
K1891.28800622424
K1891.28800622828
K1891.28800623232
K1891.28920621414
K1891.28920622424
K1891.28920622828
K1891.28920623232
K1891.28980621414
K1891.28980622424
K1891.28980622828
K1891.28980623232
K1891.38920861515
K1891.38920862828
K1891.38920863232
K1891.38920863838
K1891.38980861515
K1891.38980862828
K1891.38980863232
K1891.38980863838
K1891.42920942020

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)	D4 (mm)	Component colour	Spring stiffness radial (N/mm)	Size	Coupling spider hardness	L=Length (mm)	L1 (mm)	L2 (mm)	L3 (mm)	Moment of inertia (gm²)	max. Torque (Nm)	max. Rotational speed (rpm)	max. Angular offset (°)	max. Shaft offset axial (mm)	max. Shaft offset radial (mm)	Nom. torque (Nm)	R (mm)	Torsional stiffness dynamic (Nm/rad)	Torsional stiffness static (Nm/rad)	Weight (kg)
45.83 €	1	4 Days	15	M6	14	14	8	21	40	red	2010	19	98 Shore A	50	17	16	8.5	0.0311	42	10000	0.9	+1.2 / -0.5	0.06	21	45.7	2540	1512	0.1390
45.83 €	1	4 Days	15	M6	14	15	8	21	40	red	2010	19	98 Shore A	50	17	16	8.5	0.0311	42	10000	0.9	+1.2 / -0.5	0.06	21	45.7	2540	1512	0.1390
45.83 €	1	4 Days	15	M6	14	16	8	21	40	red	2010	19	98 Shore A	50	17	16	8.5	0.0311	42	10000	0.9	+1.2 / -0.5	0.06	21	45.7	2540	1512	0.1390
45.83 €	1	4 Days	15	M6	15	15	8	21	40	red	2010	19	98 Shore A	50	17	16	8.5	0.0311	42	10000	0.9	+1.2 / -0.5	0.06	21	45.7	2540	1512	0.1390
45.83 €	1	4 Days	15	M6	15	16	8	21	40	red	2010	19	98 Shore A	50	17	16	8.5	0.0311	42	10000	0.9	+1.2 / -0.5	0.06	21	45.7	2540	1512	0.1390
45.83 €	1	4 Days	15	M6	16	16	8	21	40	red	2010	19	98 Shore A	50	17	16	8.5	0.0311	42	10000	0.9	+1.2 / -0.5	0.06	21	45.7	2540	1512	0.1390
77.43 €	1	4 Days	15	M6	10	10	10	32	55	blue	840	24	80 Shore A	58	20	18	10	0.119	34	7000	1	+1.4 / -0.5	0.2	17	56.4	1390	860	0.2710
77.43 €	1	4 Days	15	M6	18	18	10	32	55	blue	840	24	80 Shore A	58	20	18	10	0.119	34	7000	1	+1.4 / -0.5	0.2	17	56.4	1390	860	0.2710
77.43 €	1	4 Days	15	M6	18	19	10	32	55	blue	840	24	80 Shore A	58	20	18	10	0.119	34	7000	1	+1.4 / -0.5	0.2	17	56.4	1390	860	0.2710
77.43 €	1	4 Days	15	M6	18	20	10	32	55	blue	840	24	80 Shore A	58	20	18	10	0.119	34	7000	1	+1.4 / -0.5	0.2	17	56.4	1390	860	0.2710
77.43 €	1	4 Days	15	M6	18	25	10	32	55	blue	840	24	80 Shore A	58	20	18	10	0.119	34	7000	1	+1.4 / -0.5	0.2	17	56.4	1390	860	0.2710
77.43 €	1	4 Days	15	M6	19	19	10	32	55	blue	840	24	80 Shore A	58	20	18	10	0.119	34	7000	1	+1.4 / -0.5	0.2	17	56.4	1390	860	0.2710
77.43 €	1	4 Days	15	M6	19	20	10	32	55	blue	840	24	80 Shore A	58	20	18	10	0.119	34	7000	1	+1.4 / -0.5	0.2	17	56.4	1390	860	0.2710
77.43 €	1	4 Days	15	M6	19	25	10	32	55	blue	840	24	80 Shore A	58	20	18	10	0.119	34	7000	1	+1.4 / -0.5	0.2	17	56.4	1390	860	0.2710
77.43 €	1	4 Days	15	M6	20	20	10	32	55	blue	840	24	80 Shore A	58	20	18	10	0.119	34	7000	1	+1.4 / -0.5	0.2	17	56.4	1390	860	0.2710
77.43 €	1	4 Days	15	M6	20	25	10	32	55	blue	840	24	80 Shore A	58	20	18	10	0.119	34	7000	1	+1.4 / -0.5	0.2	17	56.4	1390	860	0.2710
77.43 €	1	4 Days	15	M6	25	25	10	32	55	blue	840	24	80 Shore A	58	20	18	10	0.119	34	7000	1	+1.4 / -0.5	0.2	17	56.4	1390	860	0.2710
74.15 €	1	4 Days	15	M6	10	10	10	32	55	yellow	1900	24	92 Shore A	58	20	18	10	0.119	70	7000	1	+1.4 / -0.5	0.15	35	56.4	5130	2300	0.2710
74.15 €	1	4 Days	15	M6	18	18	10	32	55	yellow	1900	24	92 Shore A	58	20	18	10	0.119	70	7000	1	+1.4 / -0.5	0.15	35	56.4	5130	2300	0.2710
74.15 €	1	4 Days	15	M6	18	19	10	32	55	yellow	1900	24	92 Shore A	58	20	18	10	0.119	70	7000	1	+1.4 / -0.5	0.15	35	56.4	5130	2300	0.2710
74.15 €	1	4 Days	15	M6	18	20	10	32	55	yellow	1900	24	92 Shore A	58	20	18	10	0.119	70	7000	1	+1.4 / -0.5	0.15	35	56.4	5130	2300	0.2710
74.15 €	1	4 Days	15	M6	18	25	10	32	55	yellow	1900	24	92 Shore A	58	20	18	10	0.119	70	7000	1	+1.4 / -0.5	0.15	35	56.4	5130	2300	0.2710
74.15 €	1	4 Days	15	M6	19	19	10	32	55	yellow	1900	24	92 Shore A	58	20	18	10	0.119	70	7000	1	+1.4 / -0.5	0.15	35	56.4	5130	2300	0.2710
74.15 €	1	4 Days	15	M6	19	20	10	32	55	yellow	1900	24	92 Shore A	58	20	18	10	0.119	70	7000	1	+1.4 / -0.5	0.15	35	56.4	5130	2300	0.2710
74.15 €	1	4 Days	15	M6	19	25	10	32	55	yellow	1900	24	92 Shore A	58	20	18	10	0.119	70	7000	1	+1.4 / -0.5	0.15	35	56.4	5130	2300	0.2710
74.15 €	1	4 Days	15	M6	20	20	10	32	55	yellow	1900	24	92 Shore A	58	20	18	10	0.119	70	7000	1	+1.4 / -0.5	0.15	35	56.4	5130	2300	0.2710
74.15 €	1	4 Days	15	M6	20	25	10	32	55	yellow	1900	24	92 Shore A	58	20	18	10	0.119	70	7000	1	+1.4 / -0.5	0.15	35	56.4	5130	2300	0.2710
74.15 €	1	4 Days	15	M6	25	25	10	32	55	yellow	1900	24	92 Shore A	58	20	18	10	0.119	70	7000	1	+1.4 / -0.5	0.15	35	56.4	5130	2300	0.2710
74.15 €	1	4 Days	15	M6	10	10	10	32	55	red	2940	24	98 Shore A	58	20	18	10	0.119	120	7000	0.9	+1.4 / -0.5	0.11	60	56.4	8130	3700	0.2710
74.15 €	1	4 Days	15	M6	18	18	10	32	55	red	2940	24	98 Shore A	58	20	18	10	0.119	120	7000	0.9	+1.4 / -0.5	0.11	60	56.4	8130	3700	0.2710
74.15 €	1	4 Days	15	M6	18	19	10	32	55	red	2940	24	98 Shore A	58	20	18	10	0.119	120	7000	0.9	+1.4 / -0.5	0.11	60	56.4	8130	3700	0.2710
74.15 €	1	4 Days	15	M6	18	20	10	32	55	red	2940	24	98 Shore A	58	20	18	10	0.119	120	7000	0.9	+1.4 / -0.5	0.11	60	56.4	8130	3700	0.2710
74.15 €	1	4 Days	15	M6	18	25	10	32	55	red	2940	24	98 Shore A	58	20	18	10	0.119	120	7000	0.9	+1.4 / -0.5	0.11	60	56.4	8130	3700	0.2710
74.15 €	1	4 Days	15	M6	19	19	10	32	55	red	2940	24	98 Shore A	58	20	18	10	0.119	120	7000	0.9	+1.4 / -0.5	0.11	60	56.4	8130	3700	0.2710
74.15 €	1	4 Days	15	M6	19	20	10	32	55	red	2940	24	98 Shore A	58	20	18	10	0.119	120	7000	0.9	+1.4 / -0.5	0.11	60	56.4	8130	3700	0.2710
74.15 €	1	4 Days	15	M6	19	25	10	32	55	red	2940	24	98 Shore A	58	20	18	10	0.119	120	7000	0.9	+1.4 / -0.5	0.11	60	56.4	8130	3700	0.2710
74.15 €	1	4 Days	15	M6	20	20	10	32	55	red	2940	24	98 Shore A	58	20	18	10	0.119	120	7000	0.9	+1.4 / -0.5	0.11	60	56.4	8130	3700	0.2710
74.15 €	1	4 Days	15	M6	20	25	10	32	55	red	2940	24	98 Shore A	58	20	18	10	0.119	120	7000	0.9	+1.4 / -0.5	0.11	60	56.4	8130	3700	0.2710
74.15 €	1	4 Days	15	M6	25	25	10	32	55	red	2940	24	98 Shore A	58	20	18	10	0.119	120	7000	0.9	+1.4 / -0.5	0.11	60	56.4	8130	3700	0.2710
91.52 €	1	4 Days	40	M8	14	14	14	37	65	blue	990	28	80 Shore A	62	21	20	11	0.254	92	6000	1.3	+1.5 / -0.7	0.2	46	72.6	2350	1370	0.4290
91.52 €	1	4 Days	40	M8	24	24	14	37	65	blue	990	28	80 Shore A	62	21	20	11	0.254	92	6000	1.3	+1.5 / -0.7	0.2	46	72.6	2350	1370	0.4290
91.52 €	1	4 Days	40	M8	28	28	14	37	65	blue	990	28	80 Shore A	62	21	20	11	0.254	92	6000	1.3	+1.5 / -0.7	0.2	46	72.6	2350	1370	0.4290
91.52 €	1	4 Days	40	M8	32	32	14	37	65	blue	990	28	80 Shore A	62	21	20	11	0.254	92	6000	1.3	+1.5 / -0.7	0.2	46	72.6	2350	1370	0.4290
88.87 €	1	4 Days	40	M8	14	14	14	37	65	yellow	1780	28	92 Shore A	62	21	20	11	0.254	190	6000	1	+1.5 / -0.7	0.15	95	72.6	6745	4080	0.4290
88.87 €	1	4 Days	40	M8	24	24	14	37	65	yellow	1780	28	92 Shore A	62	21	20	11	0.254	190	6000	1	+1.5 / -0.7	0.15	95	72.6	6745	4080	0.4290
88.87 €	1	4 Days	40	M8	28	28	14	37	65	yellow	1780	28	92 Shore A	62	21	20	11	0.254	190	6000	1	+1.5 / -0.7	0.15	95	72.6	6745	4080	0.4290
88.87 €	1	4 Days	40	M8	32	32	14	37	65	yellow	1780	28	92 Shore A	62	21	20	11	0.254	190	6000	1	+1.5 / -0.7	0.15	95	72.6	6745	4080	0.4290
88.87 €	1	4 Days	40	M8	14	14	14	37	65	red	3200	28	98 Shore A	62	21	20	11	0.254	320	6000	0.9	+1.5 / -0.7	0.11	160	72.6	9920	6410	0.4290
88.87 €	1	4 Days	40	M8	24	24	14	37	65	red	3200	28	98 Shore A	62	21	20	11	0.254	320	6000	0.9	+1.5 / -0.7	0.11	160	72.6	9920	6410	0.4290
88.87 €	1	4 Days	40	M8	28	28	14	37	65	red	3200	28	98 Shore A	62	21	20	11	0.254	320	6000	0.9	+1.5 / -0.7	0.11	160	72.6	9920	6410	0.4290
88.87 €	1	4 Days	40	M8	32	32	14	37	65	red	3200	28	98 Shore A	62	21	20	11	0.254	320	6000	0.9	+1.5 / -0.7	0.11	160	72.6	9920	6410	0.4290
131.20 €	1	4 Days	84	M10	15	15	15	48	80	yellow	2350	38	92 Shore A	86	31	24	15	0.828	380	5000	1	+1.8 / -0.7	0.17	190	83.3	12000	6525	0.8880
131.20 €	1	4 Days	84	M10	28	28	15	48	80	yellow	2350	38	92 Shore A	86	31	24	15	0.828	380	5000	1	+1.8 / -0.7	0.17	190	83.3	12000	6525	0.8880
131.20 €	1	4 Days	84	M10	32	32	15	48	80	yellow	2350	38	92 Shore A	86	31	24	15	0.828	380	5000	1	+1.8 / -0.7	0.17	190	83.3	12000	6525	0.8880
131.20 €	1	4 Days	84	M10	38	38	15	48	80	yellow	2350	38	92 Shore A	86	31	24	15	0.828	380	5000	1	+1.8 / -0.7	0.17	190	83.3	12000	6525	0.8880
131.20 €	1	4 Days	84	M10	15	15	15	48	80	red	4400	38	98 Shore A	86	31	24	15	0.828	650	5000	0.9	+1.8 / -0.7	0.12	325	83.3	21850	11800	0.8880
131.20 €	1	4 Days	84	M10	28	28	15	48	80	red	4400	38	98 Shore A	86	31	24	15	0.828	650	5000	0.9	+1.8 / -0.7	0.12	325	83.3	21850	11800	0.8880
131.20 €	1	4 Days	84	M10	32	32	15	48	80	red	4400	38	98 Shore A	86	31	24	15	0.828	650	5000	0.9	+1.8 / -0.7	0.12	325	83.3	21850	11800	0.8880
131.20 €	1	4 Days	84	M10	38	38	15	48	80	red	4400	38	98 Shore A	86	31	24	15	0.828	650	5000	0.9	+1.8 / -0.7	0.12	325	83.3	21850	11800	0.8880
216.09 €	1	4 Days	145	M12	20	20	20	50	95	yellow	4100	42	92 Shore A	94	34	26	17.5	1.866	830	4000	1	+2 / -1	0.19	265	97.6	20500	10870	1.4250

Basic information

Version 1	with radial clamping hub	Item	Elastomer Dog Coupling	Main material	aluminium
Component material	Polyurethane	PL Edelstahl	false	RoHS	true

Configure

195Suggestion of an applicable part number.

View Part Numbers

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The part number is completed.

Basic Attributes

Tightening torque of screws(Nm)
0.43

0.85

2

4.5

15

40

84

145
Clear
C (ISO 4029)
M2

M2.5

M3

M4

M6

M8

M10

M12
Clear
D1 (H7)(mm)
4

5

6

8

9

10

12

14

15

16

18

19

20

24

25

28

32

38

45

50
Clear
D2 (H7)(mm)
4

5

6

8

9

10

12

14

15

16

18

19

20

24

25

28

32

38

45

50
Clear
D1/D2 min.(mm)
3

4

8

10

14

15

20
Clear
D1/D2 max.(mm)
7

11

12

16

21

32

37

48

50

57
Clear
D4(mm)
14

20

25

30

40

55

65

80

95

105
Clear
Component colour
- blue
- red
- yellow
Clear
Spring stiffness radial(N/mm)
114

125

153

219

274

292

336

421

470

518

582

654

840

846

990

1120

1780

1900

2010

2350

2940

3200

4100

4400

4500

5940

6820
Clear
Size
7

9

12

14

19

24

28

38

42

48
Clear
Coupling spider hardness
- 80 Shore A
- 92 Shore A
- 98 Shore A
Clear
L=Length(mm)
18

24

26

32

50

58

62

86

94

110
Clear
L1(mm)
5

7

9.5

17

20

21

31

34

41
Clear
L2(mm)
8

10

12

13

16

18

20

24

26

28
Clear
L3(mm)
2.5

3.5

5

8.5

10

11

15

17.5

23
Clear
Moment of inertia(gm²)
0.00018

0.00085

0.0022

0.0166

0.0311

0.119

0.254

0.828

1.866

3.221
Clear
max. Torque(Nm)
1.4

2.4

3.6

4

6

8

10

12

15

18

24

25

34

42

70

92

120

190

320

380

620

650

830

900

1050
Clear
max. Rotational speed(rpm)
3750

4000

5000

6000

7000

10000

13000

16000

19000

27000
Clear
max. Angular offset (°)
0.9

1

1.1

1.3
Clear
max. Shaft offset axial(mm)
-2.1 / -1

+0.6 / -0.3

+0.8 / -0.4

+0.9 / -0.4

+1 / -0.5

+1.2 / -0.5

+1.4 / -0.5

+1.5 / -0.7

+1.8 / -0.7

+2 / -1

+2.1 / -1
Clear
max. Shaft offset radial(mm)
0.06

0.08

0.09

0.1

0.11

0.12

0.14

0.15

0.16

0.17

0.19

0.2

0.21

0.23
Clear
Nom. torque(Nm)
0.7

1.2

1.8

2

3

4

5

6

7.5

9

12

12.5

17

21

35

46

60

95

160

190

265

310

325

450

525
Clear
R(mm)
16.6

21.3

27.2

30.5

45.7

56.4

72.6

83.3

97.6

105
Clear
Torsional stiffness dynamic(Nm/rad)
26

43

52

69

95

155

180

252

344

482

513

718

1065

1390

1815

2350

2540

5130

6745

8130

9920

12000

20500

21850

22800

37692

49400
Clear
Torsional stiffness static(Nm/rad)
8.6

14.3

17.2

22.9

31.5

51.6

60.2

84.3

114.6

160.4

171.9

240.7

618

860

1090

1370

1512

2300

3700

4080

6410

6525

10870

11800

12968

21594

25759
Clear
Weight(kg)
0.0060

0.0150

0.0230

0.0450

0.1390

0.2710

0.4290

0.8880

1.4250

2.0190
Clear
Type
Clear
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