Elastomer dog couplings with clamp hubs, Stainless Steel (K1890) (Part Numbers - CAD Download)

· Play-free elastomer coupling clamp with grub screw

· For shaft diameters from 4 to 50 mm

· Torque range: 4 - 450 Nm

· Compensation of misalignments (axial, radial, angular)

· Axially attachment, thus very simple installation

Part Number

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Part Number
K1890.42921263232
K1890.42921263838
K1890.42921264545
K1890.42981262525
K1890.42981263232
K1890.42981263838
K1890.42981264545

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)
465.27 €	1	4 Days	84	M10	32	32	25	50	95	yellow	4100	42	92 Shore A	126	50	26	20	6.297	830	4000	1	+2 / -1	0.19	265	95	20500	10870	4.9000
465.27 €	1	4 Days	84	M10	38	38	25	50	95	yellow	4100	42	92 Shore A	126	50	26	20	6.297	830	4000	1	+2 / -1	0.19	265	95	20500	10870	4.9000
465.27 €	1	4 Days	84	M10	45	45	25	50	95	yellow	4100	42	92 Shore A	126	50	26	20	6.297	830	4000	1	+2 / -1	0.19	265	95	20500	10870	4.9000
465.27 €	1	4 Days	84	M10	25	25	25	50	95	red	5940	42	98 Shore A	126	50	26	20	6.297	900	4000	0.9	+2 / -1	0.14	450	95	37692	21594	4.9000
465.27 €	1	4 Days	84	M10	32	32	25	50	95	red	5940	42	98 Shore A	126	50	26	20	6.297	900	4000	0.9	+2 / -1	0.14	450	95	37692	21594	4.9000
465.27 €	1	4 Days	84	M10	38	38	25	50	95	red	5940	42	98 Shore A	126	50	26	20	6.297	900	4000	0.9	+2 / -1	0.14	450	95	37692	21594	4.9000
465.27 €	1	4 Days	84	M10	45	45	25	50	95	red	5940	42	98 Shore A	126	50	26	20	6.297	900	4000	0.9	+2 / -1	0.14	450	95	37692	21594	4.9000

Basic information

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

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Basic Attributes

Tightening torque of screws(Nm)
2

15

40

84
Clear
C (ISO 4029)
M3

M6

M8

M10
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D1 (H7)(mm)
4

8

10

12

14

15

16

18

19

20

24

25

28

32

38

45
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D2 (H7)(mm)
4

8

10

12

14

15

16

18

19

20

24

25

28

32

38

45
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D1/D2 min.(mm)
4

10

15

19

20

25
Clear
D1/D2 max.(mm)
16

22

32

37

48

50
Clear
D4(mm)
30

40

55

65

80

95
Clear
Component colour
- blue
- red
- yellow
Clear
Spring stiffness radial(N/mm)
153

336

582

654

840

990

1120

1780

1900

2010

2350

2940

3200

4100

4400

5940
Clear
Size
14

19

24

28

38

42
Clear
Coupling spider hardness
- 80 Shore A
- 92 Shore A
- 98 Shore A
Clear
L=Length(mm)
35

66

78

90

114

126
Clear
L1(mm)
11

25

30

35

45

50
Clear
L2(mm)
13

16

18

20

24

26
Clear
L3(mm)
5

12

15

20
Clear
Moment of inertia(gm²)
0.016

0.103

0.409

0.923

2.691

6.297
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max. Torque(Nm)
8

12

15

24

25

34

42

70

92

120

190

320

380

650

830

900
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max. Rotational speed(rpm)
4000

5000

6000

7000

10000

13000
Clear
max. Angular offset (°)
0.9

1

1.1

1.3
Clear
max. Shaft offset axial(mm)
+1 / -0.5

+1.2 / -0.5

+1.4 / -0.5

+1.5 / -0.7

+1.8 / -0.7

+2 / -1
Clear
max. Shaft offset radial(mm)
0.06

0.09

0.1

0.11

0.12

0.14

0.15

0.17

0.19

0.2

0.21
Clear
Nom. torque(Nm)
4

6

7.5

12

12.5

17

21

35

46

60

95

160

190

265

325

450
Clear
R(mm)
32.2

47

56.4

72.6

83.3

95
Clear
Torsional stiffness dynamic(Nm/rad)
180

344

513

1065

1390

1815

2350

2540

5130

6745

8130

9920

12000

20500

21850

37692
Clear
Torsional stiffness static(Nm/rad)
60.2

114.6

171.9

618

860

1090

1370

1512

2300

3700

4080

6410

6525

10870

11800

21594
Clear
Weight(kg)
0.1475

0.4575

0.9850

1.5600

3.0750

4.9000
Clear
Type
Clear
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