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Slit-shaped coupling, Clamping Long type (Part Numbers)

Clamping type slit coupling that has a low moment of inertia and is stable even at high rotations.
[Features]
・ Spring with 0 backlash and radial beam absorbs eccentricity, declination, and end play.
·It has high torsional rigidity and torque tolerance, as well as high oil and chemical resistance.
·A long type, identical forward/reverse rotation characteristics, no need for repair.
[Applications]
・ Optimal for serial drive of transmission equipment, position control / positioning table, robot system, boring, and polishing machine.
·Can be used for machining centers (machine tools), medical equipment, servo motors, speed reducers, etc.

Part Number

Configured Part Number is shown.

Product TOP

: 30; 60; 90

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Part Number
SRBB-49C-19K7X20K7
SRBB-49C-19K7X20K8
SRBB-49C-19K8X19
SRBB-49C-19K8X19K6
SRBB-49C-19K8X19K7
SRBB-49C-19K8X19K8
SRBB-49C-19K8X20
SRBB-49C-19K8X20K6
SRBB-49C-19K8X20K7
SRBB-49C-19K8X20K8
SRBB-49C-19X19
SRBB-49C-19X19K6
SRBB-49C-19X19K7
SRBB-49C-19X19K8
SRBB-49C-19X20
SRBB-49C-19X20K6
SRBB-49C-19X20K7
SRBB-49C-19X20K8
SRBB-49C-20K6X20
SRBB-49C-20K6X20K6
SRBB-49C-20K6X20K7
SRBB-49C-20K6X20K8
SRBB-49C-20K7X20
SRBB-49C-20K7X20K6
SRBB-49C-20K7X20K7
SRBB-49C-20K7X20K8
SRBB-49C-20K8X20
SRBB-49C-20K8X20K6
SRBB-49C-20K8X20K7
SRBB-49C-20K8X20K8
SRBB-49C-20X20
SRBB-49C-20X20K6
SRBB-49C-20X20K7
SRBB-49C-20X20K8

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Shaft Bore Dia. (machined) D1 (Ø)	Allowable Torque Range (N•m)	Shaft Bore Dia. (machined) D2 (Ø)	O.D. (Ø)	Features	Full Length (mm)	Max. Rotational Speed Range (r/min)	Allowable Torque (N•m)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Buffer Material	Moment of Inertia (kg･m²)	Allowable Axial Clearance (±) (mm)	With or without Keyway	d1 Keyway symbol	d1keyway width b1 (mm)	d1Keyway height t1 (mm)	d2 Keyway symbol	d2 keyway width b2 (mm)	d2 keyway height t2 (mm)
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K7	7	3	K7	7	3
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K7	7	3	K8	8	3.3
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	19	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	K8	8	3.3	-	-	-
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	19	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K8	8	3.3	K6	6	2.8
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	19	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K8	8	3.3	K7	7	3
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	19	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K8	8	3.3	K8	8	3.3
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	K8	8	3.3	-	-	-
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K8	8	3.3	K6	6	2.8
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K8	8	3.3	K7	7	3
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K8	8	3.3	K8	8	3.3
MYR 385.13	1 Piece(s)	15 Day(s) or more	10	19	10.01~20.00	19	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	No Keyway	-	-	-	-	-	-
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	19	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	-	-	-	K6	6	2.8
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	19	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	-	-	-	K7	7	3
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	19	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	-	-	-	K8	8	3.3
MYR 385.13	1 Piece(s)	15 Day(s) or more	10	19	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	No Keyway	-	-	-	-	-	-
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	-	-	-	K6	6	2.8
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	-	-	-	K7	7	3
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	19	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	-	-	-	K8	8	3.3
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	K6	6	2.8	-	-	-
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K6	6	2.8	K6	6	2.8
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K6	6	2.8	K7	7	3
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K6	6	2.8	K8	8	3.3
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	K7	7	3	-	-	-
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K7	7	3	K6	6	2.8
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K7	7	3	K7	7	3
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K7	7	3	K8	8	3.3
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	K8	8	3.3	-	-	-
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K8	8	3.3	K6	6	2.8
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K8	8	3.3	K7	7	3
MYR 419.68	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	Both sides keyway	K8	8	3.3	K8	8	3.3
MYR 385.13	1 Piece(s)	15 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	No Keyway	-	-	-	-	-	-
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	-	-	-	K6	6	2.8
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	-	-	-	K7	7	3
MYR 402.43	1 Piece(s)	16 Day(s) or more	10	20	10.01~20.00	20	49	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	70	2001~4000	13	3300	0.21~0.40	0.25	Aluminum	1.0X10^-4	±0.5	One Side Key Way	-	-	-	K8	8	3.3

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Basic Information

Application	Stepping Motor	Body Material	Aluminum	Allowable Angular Misalignment(deg)	2.5
Operating Temperature Range(°C)	-50::200

Configure

304 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)
8

9.525

10

11

12

14

15

16

18

19

20

22

24

25
Clear
Shaft Bore Dia. (machined) D2(Ø)
8

9.525

10

11

12

14

15

16

18

19

20

22

24

25
Clear
O.D.(Ø)
31.8

39

49

60
Clear
Features
High torsional rigidity

High Torque

Backlash 0

Low Inertia Moment

Small

Heat Resistant
Clear
Full Length(mm)
44

56

70

88
Clear
Max. Rotational Speed Range(r/min)
2001~4000

4001~10000
Clear
Allowable Torque(N•m)
2.6

6.5

13

24
Clear
Max. Rotational Speed(r/min)
2600

3300

4000

5000
Clear
Allowable Lateral Misalignment Range(mm)
0.02~0.2

0.21~0.40
Clear
Allowable Lateral Misalignment(mm)
0.2

0.25

0.3
Clear
Buffer Material
- Polyacetal
- Aluminum
Clear
With or without Keyway
- Both sides keyway
- No Keyway
- One Side Key Way
Clear
d1 Keyway symbol
- K2
- K3
- K4
- K5
- K6
- K7
- K8
- K9
- K10
Clear
d1keyway width b1(mm)
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
Clear
d1Keyway height t1(mm)
- 1
- 1.4
- 1.8
- 2.3
- 2.8
- 3
- 3.3
Clear
d2 Keyway symbol
- K2
- K3
- K4
- K5
- K6
- K7
- K8
- K9
- K10
Clear
d2 keyway width b2(mm)
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
Clear
d2 keyway height t2(mm)
- 1
- 1.4
- 1.8
- 2.3
- 2.8
- 3
- 3.3
Clear
type
- SRBB-32C
- SRBB-39C
- SRBB-49C
- SRBB-60C
Clear
Allowable Torque Range(N•m)
1.01~3.00

5.01~10.00

10.01~20.00

20.01~50.00
Clear
CAD
- 3D
Clear

Days to Ship

All

9 Day(s) or Less

15 Day(s) or Less

16 Day(s) 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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Slit-shaped coupling, Clamping Long type (Part Numbers)

Basic Information

Configure

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)

Shaft Bore Dia. (machined) D2(Ø)

O.D.(Ø)

Features

Full Length(mm)

Max. Rotational Speed Range(r/min)

Allowable Torque(N•m)

Max. Rotational Speed(r/min)

Allowable Lateral Misalignment Range(mm)

Allowable Lateral Misalignment(mm)

Buffer Material

With or without Keyway

d1 Keyway symbol

d1keyway width b1(mm)

d1Keyway height t1(mm)

d2 Keyway symbol

d2 keyway width b2(mm)

d2 keyway height t2(mm)

type

Allowable Torque Range(N•m)

CAD

Days to Ship

Specify Alterations

Additional Products in this Category

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Tech Support

Payment Method

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