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NIHON MINIATURE Flexible Shaft Couplings（Allowable Misalignment：Axial Misalignment）
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Bellows coupling series NB type phosphor bronze product
NIHON MINIATURE
Low cost bellows coupling, using phosphor bronze for bellows, and brass for boss part. Nickel plating treatment.
[Features]
· NB series bellows coupling is made with phosphor bronze (PBP3-0), with brass bracket (BsBM) used, both fixed with solder.
· No backlash, low inertia, high torsional rigidity, compact coupling with flexibility.
· Model number is no. 4, with shaft diameter from 2 mm to 10 mm, and always in stock with all shaft diameter combinations (inner diameter tapping processed).- CAD ：
- 2D
Type Shaft Bore Dia. (machined) D1(Ø) Shaft Bore Dia. (machined) D2(Ø) Outer Dia. A(Ø) Overall Length W(mm) Application Allowable Torque Range(N•m) Features Allowable Misalignment Max. Rotational Speed Range(r/min) Body Material Allowable Torque(N•m) Allowable Angular Misalignment(deg) Allowable Lateral Misalignment(mm) Product Category Allowable Lateral Misalignment Range(mm) Max. Rotational Speed(r/min) Buffer Material Disc Material Bellows Material Cleaning Method Characteristics/Applications Environmentally friendly Bellows 2 ～ 10 2 ～ 10 14 ～ 19 22 ～ 28 Standard 0.05~1.00 High Torsional Rigidity ～ Small Axial Misalignment 4001~10000 Alloy 0.147 ～ 0.343 1.5 0.1 ～ 0.2 Coupling Main Body 0.02~0.2 5000 - - Phosphor Bronze - - - From: ₹ 2,034.93 Days to Ship: 6 Day(s) or more 
6 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Bellows coupling series NA type stainless steel
NIHON MINIATURE
Bellows, hub part (boss part) use stainless steel. Fixed by special weld. Bellows coupling with high twist rigidity.
[Features]
· The bellows coupling of the NA series is made of all stainless steel.
· Bellows use stainless steel (SUS304L), metal fittings stainless (SUS303) used, and are fixed by special welding
· Precision coupling with higher rigidity compared to NB series, able to withstand high-speed and high-torque.
· Plus, as stainless steel, has excellent corrosion resistance.
· Model no. is 6 for standard, and for non-standard there are 2 model numbers.
· Shaft diameters from 3 mm to maximum 15 mm, constantly stocked with all shaft diameter combinations of millimeter and inch sizes (inside diameter tapping processed).- CAD ：
- 2D
Type Shaft Bore Dia. (machined) D1(Ø) Shaft Bore Dia. (machined) D2(Ø) Outer Dia. A(Ø) Overall Length W(mm) Application Allowable Torque Range(N•m) Features Allowable Misalignment Max. Rotational Speed Range(r/min) Body Material Allowable Torque(N•m) Allowable Angular Misalignment(deg) Allowable Lateral Misalignment(mm) Product Category Allowable Lateral Misalignment Range(mm) Max. Rotational Speed(r/min) Buffer Material Disc Material Bellows Material Cleaning Method Characteristics/Applications Environmentally friendly Bellows 6 6 16 22 Standard 0.05~1.00 High Torsional Rigidity ～ Small Axial Misalignment 4001~10000 Stainless Steel 0.49 1.5 0.1 Coupling Main Body 0.02~0.2 10000 - - Stainless Steel - - - From: ₹ 2,951.20 Days to Ship: 7 Day(s) or more
7 Day(s) or more
-
You can add up to 6 items per a category to the compare list.
Bellows coupling series Collett type stainless steel
NIHON MINIATURE
Bellows, hub part (boss part) use stainless steel. Spring steel used for shaft fastening bracket. Can be fixed without damage to the shaft.
[Features]
· The performance is the same as the general type, but it is easier to install and remove without damaging the shaft.
· Suitable especially when the frequency of forward and reverse rotation is high, or when the angular rotation acceleration is great.
· Material is the same as general type, bellows are stainless steel (SUS304L), fittings use stainless steel (SUS303), and clamp is spring copper. (Surface treated)
· Shaft diameters are 5 mm to 8 mm, and always in stock.- CAD ：
- 2D
Type Shaft Bore Dia. (machined) D1(Ø) Shaft Bore Dia. (machined) D2(Ø) Outer Dia. A(Ø) Overall Length W(mm) Application Allowable Torque Range(N•m) Features Allowable Misalignment Max. Rotational Speed Range(r/min) Body Material Allowable Torque(N•m) Allowable Angular Misalignment(deg) Allowable Lateral Misalignment(mm) Product Category Allowable Lateral Misalignment Range(mm) Max. Rotational Speed(r/min) Buffer Material Disc Material Bellows Material Cleaning Method Characteristics/Applications Environmentally friendly Bellows 5 ～ 8 5 ～ 8 18 ～ 20 25 Standard 0.05~1.00 High Torsional Rigidity ～ Small Axial Misalignment 4001~10000 Stainless Steel 0.7845 2 0.1 Coupling Main Body 0.02~0.2 10000 - - Stainless Steel - - - From: ₹ 4,247.35 Days to Ship: 7 Day(s) or more
7 Day(s) or more
| Brand |
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| Product Series |
| CAD |
| From |
| Days to Ship |
| Type |
| Shaft Bore Dia. (machined) D1(Ø) |
| Shaft Bore Dia. (machined) D2(Ø) |
| Outer Dia. A(Ø) |
| Overall Length W(mm) |
| Application |
| Allowable Torque Range(N•m) |
| Features |
| Allowable Misalignment |
| Max. Rotational Speed Range(r/min) |
| Body Material |
| Allowable Torque(N•m) |
| Allowable Angular Misalignment(deg) |
| Allowable Lateral Misalignment(mm) |
| Product Category |
| Allowable Lateral Misalignment Range(mm) |
| Max. Rotational Speed(r/min) |
| Buffer Material |
| Disc Material |
| Bellows Material |
| Cleaning Method |
| Characteristics/Applications |
| Environmentally friendly |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | NIHON MINIATURE | NIHON MINIATURE | NIHON MINIATURE |
| Product Series | |||
| CAD |
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| From | ₹ 2,034.93- | ₹ 2,951.20 | ₹ 4,247.35- |
| Days to Ship | 6 Day(s) or more | 7 Day(s) or more | 7 Day(s) or more |
| Type | Bellows | Bellows | Bellows |
| Shaft Bore Dia. (machined) D1(Ø) | 2 ～ 10 | 6 | 5 ～ 8 |
| Shaft Bore Dia. (machined) D2(Ø) | 2 ～ 10 | 6 | 5 ～ 8 |
| Outer Dia. A(Ø) | 14 ～ 19 | 16 | 18 ～ 20 |
| Overall Length W(mm) | 22 ～ 28 | 22 | 25 |
| Application | Standard | Standard | Standard |
| Allowable Torque Range(N•m) | 0.05~1.00 | 0.05~1.00 | 0.05~1.00 |
| Features | High Torsional Rigidity ～ Small | High Torsional Rigidity ～ Small | High Torsional Rigidity ～ Small |
| Allowable Misalignment | Axial Misalignment | Axial Misalignment | Axial Misalignment |
| Max. Rotational Speed Range(r/min) | 4001~10000 | 4001~10000 | 4001~10000 |
| Body Material | Alloy | Stainless Steel | Stainless Steel |
| Allowable Torque(N•m) | 0.147 ～ 0.343 | 0.49 | 0.7845 |
| Allowable Angular Misalignment(deg) | 1.5 | 1.5 | 2 |
| Allowable Lateral Misalignment(mm) | 0.1 ～ 0.2 | 0.1 | 0.1 |
| Product Category | Coupling Main Body | Coupling Main Body | Coupling Main Body |
| Allowable Lateral Misalignment Range(mm) | 0.02~0.2 | 0.02~0.2 | 0.02~0.2 |
| Max. Rotational Speed(r/min) | 5000 | 10000 | 10000 |
| Buffer Material | - | - | - |
| Disc Material | - | - | - |
| Bellows Material | Phosphor Bronze | Stainless Steel | Stainless Steel |
| Cleaning Method | - | - | - |
| Characteristics/Applications | - | - | - |
| Environmentally friendly | - | - | - |
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Configure
Specification/Dimensions
-
Shaft Bore Dia. (machined) D1(Ø)
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Shaft Bore Dia. (machined) D2(Ø)
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Outer Dia. A(Ø)
- 6
- 6.4
- 8
- 9
- 9.5
- 10
- 12
- 12.7
- 13
- 13.5
- 14
- 14.5
- 15
- 16
- 16.1
- 16.5
- 16.6
- 16.8
- 17
- 17.5
- 18
- 19
- 19.1
- 20
- 21
- 22
- 22.2
- 24
- 24.5
- 25
- 25.4
- 25.5
- 26
- 26.2
- 26.6
- 27
- 27.3
- 28
- 29
- 30
- 31.7
- 31.8
- 32
- 33
- 33.3
- 34
- 34.4
- 35
- 36
- 38
- 39
- 39.5
- 40
- 41.3
- 42
- 42.5
- 43
- 44
- 44.5
- 45
- 46
- 47
- 48
- 49
- 50
- 53
- 53.6
- 54
- 54.5
- 55
- 56
- 57
- 58
- 60
- 63
- 64
- 65
- 66
- 68
- 69
- 69.9
- 70
- 73
- 75
- 79
- 79.5
- 80
- 81
- 82
- 83
- 85
- 87
- 88
- 90
- 93
- 94
- 94.5
- 95
- 99
- 100
- 102
- 104
- 104.5
- 105
- 112
- 117
- 118
- 120
- 125
- 126
- 138
- 140
- 143
- 144
- 150
- 152
- 155
- 160
- 161
- 168
- 170
- 178
- 185
- 190
- 194
- 200
- 210
- 214
- 225
- 246
- 262
- 276
- 308
- 346
-
Overall Length W(mm)
- 5.1
- 7.3
- 8.4
- 9
- 9.4
- 9.6
- 10
- 10.2
- 10.5
- 11.2
- 11.4
- 11.8
- 11.9
- 12
- 12.35
- 12.4
- 12.7
- 13
- 13.5
- 14
- 14.2
- 14.4
- 14.5
- 14.6
- 14.7
- 14.9
- 15
- 15.5
- 15.6
- 15.7
- 15.8
- 15.9
- 16
- 16.2
- 16.5
- 16.6
- 16.7
- 17
- 17.4
- 17.5
- 17.6
- 17.8
- 18
- 18.1
- 18.4
- 18.5
- 18.7
- 18.8
- 19
- 19.1
- 19.2
- 19.35
- 19.4
- 19.6
- 19.7
- 19.8
- 20
- 20.2
- 20.4
- 20.5
- 21
- 21.2
- 21.3
- 21.4
- 21.5
- 21.6
- 22
- 22.1
- 22.2
- 22.5
- 23
- 23.05
- 23.1
- 23.15
- 23.2
- 23.3
- 23.4
- 23.5
- 23.6
- 24
- 24.1
- 24.2
- 24.4
- 24.5
- 24.9
- 25
- 25.4
- 25.5
- 25.6
- 25.7
- 25.9
- 26
- 26.2
- 26.5
- 26.6
- 27
- 27.2
- 27.3
- 27.4
- 28
- 28.2
- 28.3
- 28.4
- 28.5
- 28.8
- 29
- 29.5
- 29.8
- 30
- 30.2
- 30.4
- 30.5
- 31
- 31.2
- 31.4
- 31.5
- 31.6
- 31.7
- 32
- 32.2
- 32.3
- 32.5
- 32.6
- 32.7
- 32.8
- 33
- 33.3
- 33.5
- 33.8
- 34
- 34.3
- 34.4
- 34.5
- 35
- 35.6
- 36
- 36.1
- 36.5
- 36.8
- 37
- 37.2
- 37.4
- 37.8
- 38
- 38.2
- 38.5
- 38.6
- 39
- 39.2
- 39.4
- 39.5
- 39.7
- 40
- 40.5
- 41
- 41.8
- 42
- 42.2
- 43
- 43.2
- 43.4
- 43.5
- 43.6
- 44
- 44.2
- 44.5
- 44.7
- 44.8
- 45
- 45.2
- 45.5
- 46
- 46.6
- 47
- 47.6
- 48
- 48.4
- 49.2
- 49.4
- 50
- 50.2
- 50.6
- 50.8
- 51
- 51.2
- 51.3
- 52
- 52.8
- 53
- 53.4
- 53.6
- 54
- 54.1
- 54.4
- 54.5
- 54.6
- 55
- 55.5
- 56
- 56.2
- 56.5
- 56.6
- 57
- 58
- 58.2
- 58.5
- 58.6
- 59
- 59.7
- 59.8
- 59.9
- 60
- 60.4
- 60.5
- 61
- 61.2
- 62
- 63
- 63.4
- 63.5
- 63.6
- 63.7
- 63.8
- 64
- 64.8
- 65
- 65.6
- 66
- 66.6
- 66.8
- 67
- 67.1
- 67.5
- 68
- 68.3
- 68.5
- 68.6
- 68.7
- 68.8
- 69.5
- 69.6
- 69.8
- 70
- 70.5
- 70.6
- 71
- 71.2
- 72
- 72.4
- 73
- 73.3
- 74
- 74.4
- 74.8
- 75
- 75.6
- 76.2
- 77
- 77.6
- 77.8
- 78
- 78.8
- 79.5
- 79.8
- 80
- 80.8
- 81
- 82
- 82.5
- 82.6
- 83
- 83.6
- 84
- 84.7
- 85
- 85.2
- 85.5
- 85.6
- 86
- 88
- 89.3
- 89.5
- 89.6
- 89.8
- 89.9
- 90
- 90.5
- 90.8
- 91
- 92
- 93.6
- 94
- 95
- 95.6
- 96
- 97
- 97.2
- 98
- 98.5
- 98.6
- 99
- 99.2
- 99.6
- 100
- 100.2
- 101
- 101.6
- 102
- 102.5
- 104
- 104.4
- 105.8
- 106
- 107.6
- 108
- 109
- 110
- 112.8
- 113
- 114
- 115
- 115.6
- 117.6
- 118.4
- 118.8
- 119.6
- 120
- 120.8
- 121
- 123.6
- 124
- 125
- 126
- 127
- 129
- 129.6
- 130
- 131
- 136.4
- 137.6
- 138
- 140
- 141
- 144
- 144.2
- 146
- 147
- 150
- 150.6
- 153.0
- 154
- 154.6
- 156.4
- 160
- 164
- 164.6
- 170.6
- 176
- 178.4
- 182.8
- 192.4
- 193
- 200
- 208.8
- 209.2
- 216
- 217
- 218
- 223
- 238
- 241.2
- 249.4
- 260
- 286.8
- 290
- 307.0
- 335
- 337.2
- 377
- 391
- 421
- 607
-
Application
- Standard
- Servo Motor
- Stepping Motor
- Encoder
-
Allowable Torque Range(N•m)
-
Features
-
Allowable Misalignment
-
Not Provided -
Angular Misalignment -
Eccentricity -
Axial Misalignment
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Max. Rotational Speed Range(r/min)
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Body Material
- Stainless Steel
- Steel
- Aluminum
- Alloy
- Plastic
- Aluminum Alloy
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Allowable Torque(N•m)
-
Allowable Angular Misalignment(deg)
-
Allowable Lateral Misalignment(mm)
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Product Category
- Coupling Main Body
- Maintenance Components
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Allowable Lateral Misalignment Range(mm)
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Max. Rotational Speed(r/min)
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Buffer Material
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Disc Material
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Bellows Material
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Cleaning Method
- Degreasing
- Precision Cleaning
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Characteristics/Applications
-
Environmentally friendly
- RoHS Compliant (10 Substances)
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Related Categories to Flexible Shaft Couplings
FAQ Flexible Shaft Couplings
- Question: What are the different types of flexible Shaft Couplings?
- Answer: There are several types of flexible Shaft Couplings, including beam, bellows, jaw, Oldham, disc, diaphragm, and gear couplings. Each type has unique features and benefits that make them suitable for different applications and environments. Flexible Shaft Couplings are used to connect two shafts and allow for misalignment while transmitting torque between them.
- Question: What factors should be considered when selecting a flexible Shaft Couplings?
- Answer: The factor for selecting a flexible coupling, there are several factors that should be considered, including the required torque capacity, misalignment capability, operating speed, and environmental factors such as temperature and humidity. Other considerations include the required degree of axial and radial stiffness, the space available for the coupling, and the type of equipment being connected. It is also important to consider the potential for wear and tear, maintenance requirements, and the cost of the coupling.
- Question: How is a flexible Shaft Couplings installed and maintained?
- Answer: Shaft Couplings are installed by aligning the shafts and tightening the screws or bolts. Maintenance involves regular inspections for signs of wear, damage, or misalignment. Lubrication is important to prevent excessive wear and reduce friction. Cleaning and tightening of bolts and screws are also necessary to ensure proper operation.
- Question: What is the difference between a flexible coupling and a rigid coupling?
- Answer: A flexible coupling allows for some misalignment between two connected shafts while transmitting torque, while a rigid coupling does not allow for any misalignment. Flexible Shaft Couplings are designed to absorb shock and vibration, which can help reduce wear and tear on connected equipment. Rigid couplings, on the other hand, are used in applications where precise alignment between shafts is critical, such as in high-speed rotating equipment or precision machinery.
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