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Flexible Couplings - Oldham Type, selectable clamping type, MOS series.

Volume Discount

NBK

Oldham type flexible couplings, with clamping or clamping type of fastening. This model allows a high level of misalignment.

Part Number

Configured Part Number is shown.

: 30; 45; 60

1
2
3
4
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Part Number
MOS-8-1-1
MOS-8-1-2
MOS-8-1-2.5
MOS-8-1-3
MOS-8-2-2
MOS-8-2-2.5
MOS-8-2-3
MOS-8-2.5-2.5
MOS-8-2.5-3
MOS-8-3-3
MOS-12C-3-3
MOS-12C-3-4
MOS-12C-3-5
MOS-12C-4-4
MOS-12C-4-5
MOS-12C-5-5
MOS-16C-3-3
MOS-16C-3-4
MOS-16C-3-5
MOS-16C-3-6
MOS-16C-4-4
MOS-16C-4-5
MOS-16C-4-6
MOS-16C-5-5
MOS-16C-5-6
MOS-16C-6-6
MOS-20C-5-5
MOS-20C-5-6
MOS-20C-5-6.35
MOS-20C-5-7
MOS-20C-5-8
MOS-20C-6-6
MOS-20C-6-6.35
MOS-20C-6-7
MOS-20C-6-8
MOS-20C-6.35-6.35
MOS-20C-6.35-7
MOS-20C-6.35-8
MOS-20C-7-7
MOS-20C-7-8
MOS-20C-8-8
MOS-25C-6.35-6.35
MOS-25C-6.35-7
MOS-25C-6.35-8
MOS-25C-6.35-9-BT
MOS-25C-6.35-9-BT-KT
MOS-25C-6.35-10
MOS-25C-6.35-10-KT
MOS-25C-7-7
MOS-25C-7-8
MOS-25C-7-9-BT
MOS-25C-7-9-BT-KT
MOS-25C-7-10
MOS-25C-7-10-KT
MOS-25C-8-8
MOS-25C-8-9-BT
MOS-25C-8-9-BT-KT
MOS-25C-8-10
MOS-25C-8-10-KT
MOS-25C-9-BT-9-BT

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)	Normal Torque (N•m)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Moment of Inertia (kg･m²)	Construction	Additional Work	Keyway
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	1	1	8	12.7	0.08	78000	0.41~1.0	0.5	1.2 × 10^-8	Set Screw Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	1	2	8	12.7	0.08	78000	0.41~1.0	0.5	1.2 × 10^-8	Set Screw Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	1	2.5	8	12.7	0.08	78000	0.41~1.0	0.5	1.2 × 10^-8	Set Screw Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	1	3	8	12.7	0.08	78000	0.41~1.0	0.5	1.2 × 10^-8	Set Screw Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	2	2	8	12.7	0.08	78000	0.41~1.0	0.5	1.2 × 10^-8	Set Screw Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	2	2.5	8	12.7	0.08	78000	0.41~1.0	0.5	1.2 × 10^-8	Set Screw Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	2	3	8	12.7	0.08	78000	0.41~1.0	0.5	1.2 × 10^-8	Set Screw Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	2.5	2.5	8	12.7	0.08	78000	0.41~1.0	0.5	1.2 × 10^-8	Set Screw Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	2.5	3	8	12.7	0.08	78000	0.41~1.0	0.5	1.2 × 10^-8	Set Screw Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	3	3	8	12.7	0.08	78000	0.41~1.0	0.5	1.2 × 10^-8	Set Screw Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	3	3	12	14.9	0.2	52000	0.41~1.0	0.6	7.1×10^-8	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	3	4	12	14.9	0.2	52000	0.41~1.0	0.6	7.1×10^-8	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	3	5	12	14.9	0.2	52000	0.41~1.0	0.6	7.1×10^-8	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	4	4	12	14.9	0.2	52000	0.41~1.0	0.6	7.1×10^-8	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	4	5	12	14.9	0.2	52000	0.41~1.0	0.6	7.1×10^-8	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	5	5	12	14.9	0.2	52000	0.41~1.0	0.6	7.1×10^-8	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	3	3	16	21	0.4	39000	0.41~1.0	1	3.0×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	3	4	16	21	0.4	39000	0.41~1.0	1	3.0×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	3	5	16	21	0.4	39000	0.41~1.0	1	3.0×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	3	6	16	21	0.4	39000	0.41~1.0	1	3.0×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	4	4	16	21	0.4	39000	0.41~1.0	1	3.0×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	4	5	16	21	0.4	39000	0.41~1.0	1	3.0×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	4	6	16	21	0.4	39000	0.41~1.0	1	3.0×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	5	5	16	21	0.4	39000	0.41~1.0	1	3.0×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	5	6	16	21	0.4	39000	0.41~1.0	1	3.0×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	6	6	16	21	0.4	39000	0.41~1.0	1	3.0×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	5	5	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	5	6	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	5	6.35	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	5	7	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	5	8	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	6	6	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	6	6.35	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	6	7	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	6	8	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	6.35	6.35	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	6.35	7	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	6.35	8	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	7	7	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	7	8	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	0.05~1.00	8	8	20	22.1	0.7	31000	1.1~3.0	1.3	7.4×10^-7	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	1.01~3.00	6.35	6.35	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	1.01~3.00	6.35	7	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	1.01~3.00	6.35	8	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	11 Days or more	10	1.01~3.00	6.35	9	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Additional Work Shaft Hole	No
1 Piece(s)	Available	11 Days or more	10	1.01~3.00	6.35	9	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Additional Work Shaft Hole	D2 Hole
1 Piece(s)	Available	8 Days or more	-	1.01~3.00	6.35	10	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	11 Days or more	10	1.01~3.00	6.35	10	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	D2 Hole
1 Piece(s)	Available	8 Days or more	-	1.01~3.00	7	7	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	8 Days or more	-	1.01~3.00	7	8	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	11 Days or more	10	1.01~3.00	7	9	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Additional Work Shaft Hole	No
1 Piece(s)	Available	11 Days or more	10	1.01~3.00	7	9	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Additional Work Shaft Hole	D2 Hole
1 Piece(s)	Available	8 Days or more	-	1.01~3.00	7	10	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	11 Days or more	10	1.01~3.00	7	10	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	D2 Hole
1 Piece(s)	Available	8 Days or more	-	1.01~3.00	8	8	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	11 Days or more	10	1.01~3.00	8	9	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Additional Work Shaft Hole	No
1 Piece(s)	Available	11 Days or more	10	1.01~3.00	8	9	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Additional Work Shaft Hole	D2 Hole
1 Piece(s)	Available	8 Days or more	-	1.01~3.00	8	10	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	No
1 Piece(s)	Available	11 Days or more	10	1.01~3.00	8	10	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Standard Shaft Bore	D2 Hole
1 Piece(s)	Available	11 Days or more	10	1.01~3.00	9	9	25	27.2	1.2	25000	1.1~3.0	1.5	2.2×10^-6	Clamping Type	Additional Work Shaft Hole	No

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Basic Information

Type	Oldham Type	Allowable Misalignment	Angular Misalignment / Eccentricity	Application	Standard / Stepping Motor
Maximum Range of Rotation Number(r/min)	10001~78000	Body Material	A2017	Category	Coupling body
Allowable Angular Misalignment(deg)	2	Buffer Part Material	Polyacetal	Operating Temperature Range(℃)	-20::80

Configure

189 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00
Clear
For Shaft Size D1(mm)
1

2

2.5

3

4

5

6

6.35

7

8

9

10

11

12

13

14
Clear
For Shaft Size D2(mm)
1

2

2.5

3

4

5

6

6.35

7

8

9

10

11

12

13

14
Clear
O.D.(Ø)
8

12

16

20

25

32
Clear
Full Length(mm)
12.7

14.9

21

22.1

27.2

33.3
Clear
Normal Torque(N•m)
0.08

0.2

0.4

0.7

1.2

2.8
Clear
Max. Rotational Speed(r/min)
19000

25000

31000

39000

52000

78000
Clear
Allowable Lateral Misalignment Range(mm)
0.41~1.0

1.1~3.0
Clear
Allowable Lateral Misalignment(mm)
0.5

0.6

1

1.3

1.5

2
Clear
Construction
- Clamping Type
- Set Screw Type
Clear
Additional Work
- Additional Work Shaft Hole
- Standard Shaft Bore
Clear
Keyway
- D1 Hole
- D2 Hole
- Both Sides
- No
Clear
type
- MOS
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

8 Days or Less

11 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 - Oldham Type, selectable clamping type, MOS series.

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)

Normal Torque(N•m)

Max. Rotational Speed(r/min)

Allowable Lateral Misalignment Range(mm)

Allowable Lateral Misalignment(mm)

Construction

Additional Work

Keyway

type

CAD