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Flexible Couplings - zero backlash, EK2 series. (EK2/60/B/28/28)

R+W

Features
Easy to mount
Highly concentric assembly
Vibration damping

Design
Two concentrically machined hubs with curved jaws and clamping screws, with calibrated preloaded insert

Material
Hubs: high strength aluminum
Elastomer: wear resistant thermanally stable TPU, available in 3 hardness levels

Advantage
Smooth running and reliable transmission with absorption of vibration and shock

Size 800 is available on special request.

Part Number

Configured Part Number is shown.

EK2/60/B/28/28

Product Specifications
Part Numbers

: 30; 45; 60

Part Number
EK2/60/B/28/28

Part Number	Minimum order quantity	Volume Discount	Days to Ship	Allowable Torque Range (N•m)	For Shaft Size D1 (mm)	For Shaft Size D2 (mm)	Outer Dia. A (Ø)	Overall Length W (mm)	Max. Rotational Speed Range (r/min)	Allowable Torque (N•m)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Operating Temperature Range (℃)	Fit Length (mm) (mm)	Torsional Stiffness (N-m/rad) (N-m/rad)	Tightening Torque of the Fastening Screw (N-m) (N-m)	Size	Elastomer Insert
	1 Piece(s)		8 Days	100~less than 500	28	28	56	78	10001~78000	150	11000	0.02~0.2	-30～120	30	9750	15	60	B - Shore 64D

Basic Information

Type	Jaw Type	Application	Servo Motor / Stepping Motor	Feature	No Backlash
Body Material	Aluminum	Allowable Angular Misalignment(deg)	1	Allowable Lateral Misalignment(mm)	0.15
Buffer Part Material	Polyurethane	Allowable Axial Misalignment (±)(mm)	2	Moment of Inertia(kg･m²)	0.00026

Please check the type/dimensions/specifications of the part EK2/60/B/28/28 in the Flexible Couplings - zero backlash, EK2 series. series.

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Allowable Torque Range(N•m)
10.01~20.00

20.01~50.00

50.01~100.00

100~less than 500

500~less than 1000

1000~less than 5000
Clear
For Shaft Size D1(mm)
8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60
Clear
For Shaft Size D2(mm)
8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60
Clear
Outer Dia. A(Ø)
42

56

66.5

82

102
Clear
Overall Length W(mm)
66

78

90

114

126
Clear
Max. Rotational Speed Range(r/min)
4001~10000

10001~78000
Clear
Allowable Torque(N•m)
12

34

35

42

85

120

150

170

190

320

400

650

810

1060

1350
Clear
Max. Rotational Speed(r/min)
8000

9000

10000

11000

12500
Clear
Allowable Lateral Misalignment Range(mm)
0.02~0.2

0.21~0.40
Clear
Fit Length (mm)(mm)
25

30

35

45

50
Clear
Torsional Stiffness (N-m/rad)(N-m/rad)
520

1140

1400

2000

2500

3290

4120

4970

9750

10600

12400

15100

18000

27000
Clear
Tightening Torque of the Fastening Screw (N-m)(N-m)
8

15

35

70

120
Clear
Size
20

60

150

300

450
Clear
Elastomer Insert
- B - Shore 64D
- C - Shore 80A
- A - Shore 98A
Clear
CAD
- 3D
Clear

Days to Ship

All

5 Days or Less

8 Days or Less

21 Days or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Products like this...

Part Number
EK2/150/A/19/22
EK2/150/A/19/23
EK2/150/A/19/24
EK2/60/B/28/29
EK2/60/B/28/30
EK2/60/B/28/31

Minimum order quantity	Days to Ship	Allowable Torque Range (N•m)	For Shaft Size D1 (mm)	For Shaft Size D2 (mm)	Outer Dia. A (Ø)	Overall Length W (mm)	Max. Rotational Speed Range (r/min)	Allowable Torque (N•m)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Operating Temperature Range (℃)	Fit Length (mm) (mm)	Torsional Stiffness (N-m/rad) (N-m/rad)	Tightening Torque of the Fastening Screw (N-m) (N-m)	Size	Elastomer Insert
1 Piece(s)	8 Days	100~less than 500	19	22	66.5	90	4001~10000	320	10000	0.02~0.2	-30～100	35	4970	35	150	A - Shore 98A
1 Piece(s)	21 Days	100~less than 500	19	23	66.5	90	4001~10000	320	10000	0.02~0.2	-30～100	35	4970	35	150	A - Shore 98A
1 Piece(s)	8 Days	100~less than 500	19	24	66.5	90	4001~10000	320	10000	0.02~0.2	-30～100	35	4970	35	150	A - Shore 98A
1 Piece(s)	21 Days	100~less than 500	28	29	56	78	10001~78000	150	11000	0.02~0.2	-30～120	30	9750	15	60	B - Shore 64D
1 Piece(s)	8 Days	100~less than 500	28	30	56	78	10001~78000	150	11000	0.02~0.2	-30～120	30	9750	15	60	B - Shore 64D
1 Piece(s)	21 Days	100~less than 500	28	31	56	78	10001~78000	150	11000	0.02~0.2	-30～120	30	9750	15	60	B - Shore 64D

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Flexible Couplings - zero backlash, EK2 series. (EK2/60/B/28/28)

Basic Information

Configure

Specification/Dimensions

Allowable Torque Range(N•m)

For Shaft Size D1(mm)

For Shaft Size D2(mm)

Outer Dia. A(Ø)

Overall Length W(mm)

Max. Rotational Speed Range(r/min)

Allowable Torque(N•m)

Max. Rotational Speed(r/min)

Allowable Lateral Misalignment Range(mm)

Fit Length (mm)(mm)

Torsional Stiffness (N-m/rad)(N-m/rad)

Tightening Torque of the Fastening Screw (N-m)(N-m)

Size

Elastomer Insert

CAD