(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.

Our Business Hours:
Mon. - Fri. 8 a.m. - 6 p.m.

All Categories

Applications

inCAD Library

Brands

Brand List

Webcode Seach | Series: #CODE

Keyword suggestions

Part number suggestions

Discontinued Products

Need Help?

Order/Quote

Order

Order

/ Order
/ Order

Part Number Checker

Catalog Request

Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 7:00 p.m. 11/23/2024 to 5:00 p.m. (CST) 11/24/2024. We apologize for the inconvenience.

How can we improve?

How can we improve?

Comments

Name (Optional)

E-mail Address (Optional)

Tel (Optional)

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.

Customer Privacy Policy

Thank you for your cooperation.

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.

Customer Privacy Policy

Flexible Couplings - Bellows type, zero backlash, BKL series. (Part Numbers)

R+W

Features
Easy to mount
Light weight and low moment of inertia
High torsional stiffness

Design
Two clamping hubs concentrically mounted to flexible bellows. Brief overloads of up to 1.5x the rated torque are acceptable.

Material
Bellows: high grade stainless steel
Hubs: see table

Advantage
Smooth stable running in highly dynamic and highly precise motion applications

Part Number

Configured Part Number is shown.

Product Specifications
Part Numbers

: 30; 60; 90

1
2
3
4
5
Next >>

Part Number
BKL/2/4/4
BKL/2/4/5
BKL/2/4/6
BKL/2/4/7
BKL/2/4/8
BKL/2/4/9
BKL/2/4/10
BKL/2/4/11
BKL/2/4/12
BKL/2/5/5
BKL/2/5/6
BKL/2/5/7
BKL/2/5/8
BKL/2/5/9
BKL/2/5/10
BKL/2/5/11
BKL/2/5/12
BKL/2/6/6
BKL/2/6/7
BKL/2/6/8
BKL/2/6/9
BKL/2/6/10
BKL/2/6/11
BKL/2/6/12
BKL/2/7/7
BKL/2/7/8
BKL/2/7/9
BKL/2/7/10
BKL/2/7/11
BKL/2/7/12
BKL/2/8/8
BKL/2/8/9
BKL/2/8/10
BKL/2/8/11
BKL/2/8/12
BKL/2/9/9
BKL/2/9/10
BKL/2/9/11
BKL/2/9/12
BKL/2/10/10
BKL/2/10/11
BKL/2/10/12
BKL/2/11/11
BKL/2/11/12
BKL/2/12/12
BKL/2/MPB/MPB
BKL/4.5/6/6
BKL/4.5/6/7
BKL/4.5/6/8
BKL/4.5/6/9
BKL/4.5/6/10
BKL/4.5/6/11
BKL/4.5/6/12
BKL/4.5/6/13
BKL/4.5/6/14
BKL/4.5/6/15
BKL/4.5/6/16
BKL/4.5/7/7
BKL/4.5/7/8
BKL/4.5/7/9
BKL/4.5/7/10
BKL/4.5/7/11
BKL/4.5/7/12
BKL/4.5/7/13
BKL/4.5/7/14
BKL/4.5/7/15
BKL/4.5/7/16
BKL/4.5/8/8
BKL/4.5/8/9
BKL/4.5/8/10
BKL/4.5/8/11
BKL/4.5/8/12
BKL/4.5/8/13
BKL/4.5/8/14
BKL/4.5/8/15
BKL/4.5/8/16
BKL/4.5/9/9
BKL/4.5/9/10
BKL/4.5/9/11
BKL/4.5/9/12
BKL/4.5/9/13
BKL/4.5/9/14
BKL/4.5/9/15
BKL/4.5/9/16
BKL/4.5/10/10
BKL/4.5/10/11
BKL/4.5/10/12
BKL/4.5/10/13
BKL/4.5/10/14
BKL/4.5/10/15

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)	Feature	Allowable Torque (N•m)	Moment of Inertia (kg･m²)	Fit Length (mm) (mm)	Torsional Stiffness (N-m/rad) (N-m/rad)	Tightening Torque of the Fastening Screw (N-m) (N-m)	Size
1 Piece(s)	21 Days	10.01~20.00	4	4	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	4	5	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	4	6	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	4	7	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	4	8	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	4	9	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	4	10	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	4	11	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	4	12	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	5 Days	10.01~20.00	5	5	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	5 Days	10.01~20.00	5	6	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	5	7	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	5	8	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	5	9	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	5	10	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	5	11	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	5	12	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	5 Days	10.01~20.00	6	6	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	6	7	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	5 Days	10.01~20.00	6	8	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	6	9	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	6	10	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	6	11	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	6	12	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	7	7	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	7	8	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	7	9	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	7	10	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	7	11	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	7	12	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	5 Days	10.01~20.00	8	8	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	8	9	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	8	10	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	8	11	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	8	12	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	9	9	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	9	10	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	9	11	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	9	12	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	5 Days	10.01~20.00	10	10	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	10	11	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	10	12	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	11	11	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	11	12	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	21 Days	10.01~20.00	12	12	25	30	No Backlash / Low Moment of Inertia	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	5 Days	10.01~20.00	0-Pilot Bore	0-Pilot Bore	25	30	No Backlash / Low Moment of Inertia / Unfinished Shaft Bore	2	0.002	10.5	1.5	2.3	2
1 Piece(s)	5 Days	10.01~20.00	6	6	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	6	7	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	5 Days	10.01~20.00	6	8	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	6	9	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	6	10	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	6	11	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	6	12	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	6	13	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	6	14	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	6	15	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	6	16	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	7	7	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	7	8	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	7	9	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	7	10	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	7	11	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	7	12	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	7	13	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	7	14	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	7	15	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	7	16	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	5 Days	10.01~20.00	8	8	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	8	9	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	8	10	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	8	11	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	8	12	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	8	13	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	5 Days	10.01~20.00	8	14	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	8	15	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	8	16	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	9	9	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	9	10	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	9	11	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	9	12	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	9	13	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	9	14	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	9	15	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	9	16	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	5 Days	10.01~20.00	10	10	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	10	11	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	10	12	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	10	13	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	5 Days	10.01~20.00	10	14	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5
1 Piece(s)	21 Days	10.01~20.00	10	15	32	40	No Backlash / Low Moment of Inertia	4.5	0.007	13	7	4	4.5

1
2
3
4
5
Next >>

Basic Information

Type	Bellows Type	Max. Rotational Speed Range(r/min)	4001~10000	Body Material	Aluminum
Max. Rotational Speed(r/min)	10000	Allowable Angular Misalignment(deg)	1	Allowable Lateral Misalignment Range(mm)	0.02~0.2
Allowable Lateral Misalignment(mm)	0.2	Operating Temperature Range(℃)	-12::212

Configure

2,728 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
Clear
For Shaft Size D1(mm)
0-Pilot Bore

4

5

6

7

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

61

62
Clear
For Shaft Size D2(mm)
0-Pilot Bore

4

5

6

7

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

61

62
Clear
Outer Dia. A(Ø)
25

32

40

49

56

66

82

110

123
Clear
Overall Length W(mm)
30

40

44

58

68

79

92

109

114
Clear
Feature
No Backlash

Low Moment of Inertia

Unfinished Shaft Bore
Clear
Allowable Torque(N•m)
2

4.5

10

15

30

60

80

150

300

500
Clear
Fit Length (mm)(mm)
10.5

13

21.5

26

28

32.5

41

42.5
Clear
Torsional Stiffness (N-m/rad)(N-m/rad)
1.5

7

9

23

31

72

80

141

157

290
Clear
Tightening Torque of the Fastening Screw (N-m)(N-m)
2.3

4

4.5

8

15

40

70

85

120

200
Clear
Size
2

4.5

10

15

30

60

80

150

300

500
Clear
CAD
- 3D
Clear

Days to Ship

All

5 Days or Less

21 Days or Less

66 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 .

Additional Products in this Category

Tech Support

: Technical Inquiry

Top of the page

About This Website

About MISUMI Corporation

Contact us Monday to Friday: 8:00 am to 6:00 pm (Mexico City time)

Contact Information: Contact Us

Inquiry Format

All Categories

Categories

Applications

Brands

How can we improve?

Flexible Couplings - Bellows type, zero backlash, BKL series. (Part Numbers)

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)

Feature

Allowable Torque(N•m)

Fit Length (mm)(mm)

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

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

Size

CAD