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Flexible Couplings - Bellows type, NB series.

Volume Discount

Nihon Miniature Coupling

Flexible couplings, bellows type, NB series, clamp fixing system. The material is Bronze and Brass. Ideal for use to connect encoders, medical equipment and servo motors.

Part Number

Configured Part Number is shown.

: 30; 45; 60

Part Number
NB-06-2X2
NB-06-3X3
NB-06-3X5
NB-06-4X4
NB-06-5X5
NB-08-3X3
NB-08-4X4
NB-08-4X5
NB-08-4X6
NB-08-5X5
NB-08-5X6
NB-08-6X6
NB-08-6X7
NB-08-6X8
NB-08-8X8
NB-09-5X5
NB-09-5X6
NB-09-5X10
NB-09-6X6
NB-09-6X8
NB-09-6X10
NB-09-8X8
NB-09-10X10

Minimum order quantity	Volume Discount	Days to Ship	RoHS	Standard In-Stock Hole Diameter (Tolerance H8) d1 (mm)	Standard In-Stock Hole Diameter (Tolerance H8) d2 (mm)	Outer Diameter A (Ø)	Full length E (mm)	Transmission Torque (N•m)	Allowable Displacement(Parallel Displacement) (mm)	Allowable Displacement(Axial Direction Displacement) (mm)	Moment of Inertia (kg･m²)	Axial spring constant (N/mm)	Torsional Rigidity (N-mm/deg)	Maximum Shaft Diameter d1×d2 (mm)
1 Piece(s)	Available	10 Days or more	10	2	2	14	22	0.147	0.1	±0.9	0.28X10^-4	7.85	4113.9	5
1 Piece(s)	Available	10 Days or more	10	3	3	14	22	0.147	0.1	±0.9	0.28X10^-4	7.85	4113.9	5
1 Piece(s)	Available	16 Days or more	10	3	5	14	22	0.147	0.1	±0.9	0.28X10^-4	7.85	4113.9	5
1 Piece(s)	Available	10 Days or more	10	4	4	14	22	0.147	0.1	±0.9	0.28X10^-4	7.85	4113.9	5
1 Piece(s)	Available	10 Days or more	10	5	5	14	22	0.147	0.1	±0.9	0.28X10^-4	7.85	4113.9	5
1 Piece(s)	Available	10 Days or more	10	3	3	14	26	0.196	0.2	±1.5	0.4X10^-4	9.81	2270.2	8
1 Piece(s)	Available	10 Days or more	10	4	4	14	26	0.196	0.2	±1.5	0.4X10^-4	9.81	2270.2	8
1 Piece(s)	Available	10 Days or more	10	4	5	14	26	0.196	0.2	±1.5	0.4X10^-4	9.81	2270.2	8
1 Piece(s)	Available	10 Days or more	10	4	6	14	26	0.196	0.2	±1.5	0.4X10^-4	9.81	2270.2	8
1 Piece(s)	Available	22 Days or more	10	5	5	14	26	0.196	0.2	±1.5	0.4X10^-4	9.81	2270.2	8
1 Piece(s)	Available	10 Days or more	10	5	6	14	26	0.196	0.2	±1.5	0.4X10^-4	9.81	2270.2	8
1 Piece(s)	Available	10 Days or more	10	6	6	14	26	0.196	0.2	±1.5	0.4X10^-4	9.81	2270.2	8
1 Piece(s)	Available	10 Days or more	10	6	7	14	26	0.196	0.2	±1.5	0.4X10^-4	9.81	2270.2	8
1 Piece(s)	Available	10 Days or more	10	6	8	14	26	0.196	0.2	±1.5	0.4X10^-4	9.81	2270.2	8
1 Piece(s)	Available	10 Days or more	10	8	8	14	26	0.196	0.2	±1.5	0.4X10^-4	9.81	2270.2	8
1 Piece(s)	Available	10 Days or more	10	5	5	19	28	0.343	0.2	±1.8	0.79X10^-4	4.90	4166.8	10
1 Piece(s)	Available	10 Days or more	10	5	6	19	28	0.343	0.2	±1.8	0.79X10^-4	4.90	4166.8	10
1 Piece(s)	Available	10 Days or more	10	5	10	19	28	0.343	0.2	±1.8	0.79X10^-4	4.90	4166.8	10
1 Piece(s)	Available	9 Days or more	10	6	6	19	28	0.343	0.2	±1.8	0.79X10^-4	4.90	4166.8	10
1 Piece(s)	Available	10 Days or more	10	6	8	19	28	0.343	0.2	±1.8	0.79X10^-4	4.90	4166.8	10
1 Piece(s)	Available	10 Days or more	10	6	10	19	28	0.343	0.2	±1.8	0.79X10^-4	4.90	4166.8	10
1 Piece(s)	Available	10 Days or more	10	8	8	19	28	0.343	0.2	±1.8	0.79X10^-4	4.90	4166.8	10
1 Piece(s)	Available	10 Days or more	10	10	10	19	28	0.343	0.2	±1.8	0.79X10^-4	4.90	4166.8	10

Basic Information

Type	Bellows coupling	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Standard
Transmission Torque Range(N•m)	0.05~1.00	Max. Rotational Speed Range(r/min)	4001~10000	Properties	High camber rigidity / Zero Backlash / Compact
Body Material	Other alloys	Category	Coupling body	Max. Rotational Speed(r/min)	5000
Allowable Displacement(Angle Displacement)(deg)	1.5	Allowable Displacement(Parallel Displacement)Range(mm)	0.02~0.2	Bellows Part Material	Phosphor Bronze (PBP3-0)
Type	Set screws	Other types of alloys	Brass (BsBM)	Flexibility	○
Isokinetic	○	Set Screw Type M	M3

Configure

23 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Standard In-Stock Hole Diameter (Tolerance H8) d1(mm)
2

3

4

5

6

8

10
Clear
Standard In-Stock Hole Diameter (Tolerance H8) d2(mm)
2

3

4

5

6

7

8

10
Clear
Outer Diameter A(Ø)
14

19
Clear
Full length E(mm)
22

26

28
Clear
Transmission Torque(N•m)
0.147

0.196

0.343
Clear
Allowable Displacement(Parallel Displacement)(mm)
0.1

0.2
Clear
Axial spring constant(N/mm)
- 4.90
- 7.85
- 9.81
Clear
Torsional Rigidity(N-mm/deg)
2270.2

4113.9

4166.8
Clear
Maximum Shaft Diameter d1×d2(mm)
5

8

10
Clear
type
- NB-06
- NB-08
- NB-09
Clear
CAD
- 2D
Clear

Days to Ship

All

9 Days or Less

10 Days or Less

16 Days or Less

22 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 - Bellows type, NB series.

Basic Information

Configure

Specification/Dimensions

Standard In-Stock Hole Diameter (Tolerance H8) d1(mm)

Standard In-Stock Hole Diameter (Tolerance H8) d2(mm)

Outer Diameter A(Ø)

Full length E(mm)

Transmission Torque(N•m)

Allowable Displacement(Parallel Displacement)(mm)

Axial spring constant(N/mm)

Torsional Rigidity(N-mm/deg)

Maximum Shaft Diameter d1×d2(mm)

type

CAD