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Flexible Couplings - MJB series. (Part Numbers)

Volume Discount

NBK

Flexible spider spacer type couplings, series MJB. Excellent for high torque transmission. Excellent flexibility. Absorbs torsional vibration as well as eccentricity. It has electrical resistance.

Part Number

Configured Part Number is shown.

: 30; 60; 90

Part Number
MJB-55-EGR-10-24
MJB-55-EGR-10-25
MJB-55-EGR-10-28
MJB-55-EGR-11-11
MJB-55-EGR-11-12
MJB-55-EGR-11-14
MJB-55-EGR-11-15
MJB-55-EGR-11-16
MJB-55-EGR-11-18
MJB-55-EGR-11-19
MJB-55-EGR-11-20
MJB-55-EGR-11-22
MJB-55-EGR-11-24
MJB-55-EGR-11-25
MJB-55-EGR-11-28
MJB-55-EGR-12-12
MJB-55-EGR-12-14
MJB-55-EGR-12-15
MJB-55-EGR-12-16
MJB-55-EGR-12-18
MJB-55-EGR-12-19
MJB-55-EGR-12-20
MJB-55-EGR-12-22
MJB-55-EGR-12-24
MJB-55-EGR-12-25
MJB-55-EGR-12-28
MJB-55-EGR-14-14
MJB-55-EGR-14-15
MJB-55-EGR-14-16
MJB-55-EGR-14-18
MJB-55-EGR-14-19
MJB-55-EGR-14-20
MJB-55-EGR-14-22
MJB-55-EGR-14-24
MJB-55-EGR-14-25
MJB-55-EGR-14-28
MJB-55-EGR-15-15
MJB-55-EGR-15-16
MJB-55-EGR-15-18
MJB-55-EGR-15-19
MJB-55-EGR-15-20
MJB-55-EGR-15-22
MJB-55-EGR-15-24
MJB-55-EGR-15-25
MJB-55-EGR-15-28
MJB-55-EGR-16-16
MJB-55-EGR-16-18
MJB-55-EGR-16-19
MJB-55-EGR-16-20
MJB-55-EGR-16-22
MJB-55-EGR-16-24
MJB-55-EGR-16-25
MJB-55-EGR-16-28
MJB-55-EGR-18-18
MJB-55-EGR-18-19
MJB-55-EGR-18-20
MJB-55-EGR-18-22
MJB-55-EGR-18-24
MJB-55-EGR-18-25
MJB-55-EGR-18-28
MJB-55-EGR-19-19
MJB-55-EGR-19-20
MJB-55-EGR-19-22
MJB-55-EGR-19-24
MJB-55-EGR-19-25
MJB-55-EGR-19-28
MJB-55-EGR-20-20
MJB-55-EGR-20-22
MJB-55-EGR-20-24
MJB-55-EGR-20-25
MJB-55-EGR-20-28
MJB-55-EGR-22-22
MJB-55-EGR-22-24
MJB-55-EGR-22-25
MJB-55-EGR-22-28
MJB-55-EGR-24-24
MJB-55-EGR-24-25
MJB-55-EGR-24-28
MJB-55-EGR-25-25
MJB-55-EGR-25-28
MJB-55-EGR-28-28
MJB-55-ERD-10-10
MJB-55-ERD-10-11
MJB-55-ERD-10-12
MJB-55-ERD-10-14
MJB-55-ERD-10-15
MJB-55-ERD-10-16
MJB-55-ERD-10-18
MJB-55-ERD-10-19
MJB-55-ERD-10-20

Minimum order quantity	Volume Discount	Days to Ship	RoHS	Allowable Torque Range (N•m)	For Shaft Size D1 (mm)	For Shaft Size D2 (mm)	O.D. (Ø)	Full Length (mm)	Maximum Range of Rotation Number (r/min)	Normal Torque (N•m)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment (mm)	Allowable Axial Misalignment (mm)	Moment of Inertia (kg･m²)	Types of sleeves	Hardness hardness (JIS)
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	24	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	11	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	12	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	14	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	15	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	16	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	18	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	19	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	20	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	22	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	24	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	11	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	12	12	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	12	14	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	12	15	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	12	16	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	12	18	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	12	19	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	12	20	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	12	22	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	12	24	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	12	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	12	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	14	14	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	14	15	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	14	16	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	14	18	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	14	19	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	14	20	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	14	22	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	14	24	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	14	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	14	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	15	15	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	15	16	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	15	18	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	15	19	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	15	20	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	15	22	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	15	24	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	15	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	15	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	16	16	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	16	18	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	16	19	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	16	20	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	16	22	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	16	24	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	16	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	16	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	18	18	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	18	19	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	18	20	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	18	22	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	18	24	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	18	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	18	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	19	19	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	19	20	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	19	22	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	19	24	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	19	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	19	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	20	20	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	20	22	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	20	24	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	20	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	20	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	22	22	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	22	24	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	22	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	22	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	24	24	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	24	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	24	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	25	25	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	25	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	28	28	55	78	10001~78000	150	17000	0.08	+1.4 0	3.7X10^-4	Easy fit	D64
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	10	55	78	10001~78000	120	17000	0.1	+1.4 0	3.7X10^-4	Easy fit	A98
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	11	55	78	10001~78000	120	17000	0.1	+1.4 0	3.7X10^-4	Easy fit	A98
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	12	55	78	10001~78000	120	17000	0.1	+1.4 0	3.7X10^-4	Easy fit	A98
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	14	55	78	10001~78000	120	17000	0.1	+1.4 0	3.7X10^-4	Easy fit	A98
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	15	55	78	10001~78000	120	17000	0.1	+1.4 0	3.7X10^-4	Easy fit	A98
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	16	55	78	10001~78000	120	17000	0.1	+1.4 0	3.7X10^-4	Easy fit	A98
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	18	55	78	10001~78000	120	17000	0.1	+1.4 0	3.7X10^-4	Easy fit	A98
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	19	55	78	10001~78000	120	17000	0.1	+1.4 0	3.7X10^-4	Easy fit	A98
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	10	20	55	78	10001~78000	120	17000	0.1	+1.4 0	3.7X10^-4	Easy fit	A98

Basic Information

Type	Jaw Type	Application	Standard / Servo Motor / Stepping Motor	Feature	High Torque / Vibration Absorption
Body Material	1045 Carbon Steel	Category	Coupling body	Allowable Angular Misalignment(deg)	1
Allowable Lateral Misalignment Range(mm)	0.02~0.2	Buffer Part Material	Polyurethane	Operating Temperature Range(℃)	-20::60
Construction	Bushings Type

Configure

3,248 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Allowable Torque Range(N•m)
5.01~10.00

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

9.525

10

11

12

14

15

16

18

19

20

22

24

25

28

30

32

35

38

40

42

45

48

50
Clear
For Shaft Size D2(mm)
8

9.525

10

11

12

14

15

16

18

19

20

22

24

25

28

30

32

35

38

40

42

45

48

50
Clear
O.D.(Ø)
40

55

65

80

95
Clear
Full Length(mm)
66

78

90

114

126
Clear
Maximum Range of Rotation Number(r/min)
4001~10000

10001~78000
Clear
Normal Torque(N•m)
9.8

20

34

42

70

92

120

150

190

260

320

380

400

530

650

810

900

1120
Clear
Max. Rotational Speed(r/min)
10000

11000

14000

17000

23000
Clear
Allowable Lateral Misalignment(mm)
0.08

0.1

0.15

0.2
Clear
Types of sleeves
- Easy fit
- Tight fit
Clear
Hardness hardness (JIS)
- D64
- A80
- A92
- A98
Clear
type
- MJB
Clear

Days to Ship

All

10 Days or Less

11 Days or Less

48 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 .

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Flexible Couplings - MJB series. (Part Numbers)

Basic Information

Configure

Specification/Dimensions

Allowable Torque Range(N•m)

For Shaft Size D1(mm)

For Shaft Size D2(mm)

O.D.(Ø)

Full Length(mm)

Maximum Range of Rotation Number(r/min)

Normal Torque(N•m)

Max. Rotational Speed(r/min)

Allowable Lateral Misalignment(mm)

Types of sleeves

Hardness hardness (JIS)

type