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Applications
Brands
- Webcode Seach | Series
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#CODE
- Discontinued Products
R+W Flexible Shaft Couplings
Type
-
With Slit -
Disc Type -
Oldham Type -
Jaw Type -
Bellows Type -
Others
-
Flexible Couplings - Bellows Type, Zero Backlash, BKL Series, (Inches).
R+W
Features
Easy to mount
Light weight and low moment of inertia
High torsional stiffness
Design
Two clamping hubs concentrically mounted to flexible bellows. Brief overloads of up to 1.5x the rated torque are acceptable.
Material
Bellows: high grade stainless steel
Hubs: see table
Advantage
Smooth stable running in highly dynamic and highly precise motion applications
Pilot bore parts can be found on the metric page here.- CAD ：
- 3D
Days to Ship: 5 Days or more -
Flexible Couplings - zero backlash, EK2 series, (Inches).
R+W
Features
Easy to mount
Highly concentric assembly
Vibration damping
Design
Two concentrically machined hubs with curved jaws and clamping screws, with calibrated preloaded insert
Material
Hubs: high strength aluminum
Elastomer: wear resistant thermanally stable TPU, available in 3 hardness levels
Advantage
Smooth running and reliable transmission with absorption of vibration and shock
Size 800 is available on special request.- CAD ：
- 3D
Days to Ship: 8 Days -
Flexible Couplings - zero backlash, EKL series, (Inches).
R+W
Features
Short overall length
Easy mounting
Vibration damping
Design
Two concentrically machined hubs with curved jaws and clamping screws, with calibrated preloaded insert
Material
Hubs: high strength aluminum
Elastomer: wear resistant thermanally stable TPU, available in 3 hardness levels
Advantage
Smooth running and reliable transmission with absorption of vibration and shock
Size 800 is available on special request.- CAD ：
- 3D
Days to Ship: 5 Days or more -
Flexible Couplings - Bellows type, zero backlash, BK2 series, (Inches).
R+W
Features
Easy to mount
Light weight and low moment of inertia
High torsional stiffness
Design
Two clamping hubs concentrically mounted to flexible bellows. Brief overloads of up to 1.5x the rated torque are acceptable.
Material
Bellows: high grade stainless steel
Hubs: see table
Advantage
Smooth stable running in highly dynamic and highly precise motion applications
Sizes 200 and above are available on special request.
Pilot bore parts can be found on the metric page.here.- CAD ：
- 3D
Days to Ship: 21 Days -
Flexible Couplings - Bellows type, miniature, zero backlash, MK2 series, (Inches).
R+W
Features
Low restoring forces on coupled shafts
Easy installation
Light weight and low moment of inertia
Design
Two clamping hubs concentrically mounted to flexible bellows.
Material
Bellows: high grade stainless steel
Hubs: aluminum
Advantage
Precise and well-balanced transmission with zero backlash
Pilot bore parts can be found on the metric page here.- CAD ：
- 3D
Days to Ship: 5 Days or more
| Brand |
|---|
| Product Series |
| CAD |
| Days to Ship |
| Type |
| Allowable Misalignment |
| Application |
| Allowable Torque Range(N•m) |
| For Shaft Size D1(mm) |
| For Shaft Size D2(mm) |
| Outer Dia. A(Ø) |
| Overall Length W(mm) |
| Max. Rotational Speed Range(r/min) |
| Feature |
| Body Material |
| Category |
| Allowable Torque(N•m) |
| Max. Rotational Speed(r/min) |
| Allowable Angular Misalignment(deg) |
| Allowable Lateral Misalignment Range(mm) |
| Allowable Lateral Misalignment(mm) |
| Buffer Part Material |
| Disc Part Material |
| Bellows Part Material |
| For Shaft Size D1(inch) |
| For Shaft Size D2(inch) |
|
|
|
|
| |
| Brand | R+W | R+W | R+W | R+W | R+W |
| Product Series | Flexible Couplings - Bellows Type, Zero Backlash, BKL Series, (Inches). | Flexible Couplings - Bellows type, zero backlash, BK2 series, (Inches). | Flexible Couplings - Bellows type, miniature, zero backlash, MK2 series, (Inches). | ||
| CAD |
|
|
|
|
|
| Days to Ship | 5 Days or more | 8 Days | 5 Days or more | 21 Days | 5 Days or more |
| Type | Bellows Type | Jaw Type | Jaw Type | Bellows Type | Bellows Type |
| Allowable Misalignment | - | - | - | - | - |
| Application | - | Servo Motor / Stepping Motor | Servo Motor / Stepping Motor | - | - |
| Allowable Torque Range(N•m) | 1.01~3.00 ～ 10.01~20.00 | 10.01~20.00 ～ 20.01~50.00 | 10.01~20.00 ～ 20.01~50.00 | 10.01~20.00 | 1.01~3.00 ～ 5.01~10.00 |
| For Shaft Size D1(mm) | - | - | - | - | - |
| For Shaft Size D2(mm) | - | - | - | - | - |
| Outer Dia. A(Ø) | 25 ～ 56 | 42 | 25 ～ 42 | 49 | 25 ～ 40 |
| Overall Length W(mm) | 30 ～ 58 | 66 | 26 ～ 50 | 59 ～ 66 | 35 ～ 60 |
| Max. Rotational Speed Range(r/min) | 4001~10000 | 10001~78000 | 10001~78000 | 4001~10000 | 4001~10000 |
| Feature | Low Moment of Inertia ～ No Backlash | No Backlash | No Backlash | Low Moment of Inertia ～ No Backlash | Low Moment of Inertia ～ No Backlash |
| Body Material | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum |
| Category | - | - | - | - | - |
| Allowable Torque(N•m) | 2 ～ 15 | 12 ～ 42 | 4 ～ 42 | 15 | 2 ～ 10 |
| Max. Rotational Speed(r/min) | 10000 | 12500 | 12500 ～ 15000 | 10000 | 10,000 |
| Allowable Angular Misalignment(deg) | 1 | 0.8 ～ 1.2 | 0.8 ～ 1.2 | 1 ～ 1.5 | 1.5 ～ 2 |
| Allowable Lateral Misalignment Range(mm) | 0.02~0.2 | 0.02~0.2 ～ 0.21~0.40 | 0.02~0.2 ～ 0.21~0.40 | 0.02~0.2 | 0.02~0.2 ～ 0.21~0.40 |
| Allowable Lateral Misalignment(mm) | 0.2 | 0.08 ～ 0.25 | 0.06 ～ 0.25 | 0.15 ～ 0.2 | 0.15 ～ 0.3 |
| Buffer Part Material | - | Polyurethane | Polyurethane | - | - |
| Disc Part Material | - | - | - | - | - |
| Bellows Part Material | - | - | - | Stainless Steel | Stainless Steel |
| For Shaft Size D1(inch) | 1/4 ～ 5/16 | 3/8 | 1/3 ～ 3/8 | 3/8 | 1/4 ～ 5/16 |
| For Shaft Size D2(inch) | 3/8 | 3/8 | 3/8 | 3/8 | 3/8 |
Loading...
Configure
Specification/Dimensions
-
Allowable Misalignment
-
None -
Angular -
Eccentricity -
Axial
-
-
Application
- Standard
- Servo Motor
- Stepping Motor
- Encoder
-
Allowable Torque Range(N•m)
-
Metric / Inch
- metric
-
For Shaft Size D1(mm)
-
For Shaft Size D2(mm)
-
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
- 16.6
- 16.8
- 17
- 18
- 19
- 19.1
- 20
- 21
- 22
- 24
- 25
- 25.4
- 26
- 27
- 27.3
- 28
- 29
- 30
- 31.7
- 32
- 33.3
- 34
- 34.4
- 35
- 36
- 38
- 39
- 40
- 41.3
- 42
- 44
- 44.5
- 45
- 46
- 48
- 49
- 50
- 53.6
- 54
- 54.5
- 55
- 56
- 57
- 58
- 60
- 63
- 64
- 65
- 66
- 66.5
- 67
- 68
- 70
- 75
- 79
- 80
- 81
- 82
- 85
- 87
- 88
- 90
- 94
- 95
- 100
- 102
- 104
- 105
- 110
- 118
- 123
- 125
- 126
- 144
- 155
-
Overall Length W(mm)
- 5.1
- 7.3
- 8.4
- 9
- 9.4
- 9.6
- 10
- 10.2
- 10.5
- 11.2
- 11.8
- 12.4
- 12.7
- 13.5
- 14
- 14.2
- 14.6
- 14.9
- 15
- 15.5
- 15.7
- 15.8
- 15.9
- 16
- 16.2
- 16.5
- 16.6
- 16.7
- 17.4
- 17.8
- 18
- 18.1
- 18.4
- 18.5
- 18.8
- 19
- 19.35
- 19.4
- 19.8
- 20
- 20.2
- 20.4
- 20.5
- 21
- 21.2
- 21.4
- 21.5
- 21.6
- 22
- 22.1
- 22.5
- 23
- 23.1
- 23.15
- 23.2
- 23.3
- 23.4
- 23.5
- 23.6
- 24
- 24.4
- 24.5
- 25
- 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
- 28.4
- 29
- 29.8
- 30
- 30.2
- 30.4
- 31
- 31.2
- 31.6
- 32
- 32.2
- 32.3
- 32.5
- 32.7
- 32.8
- 33
- 33.3
- 33.8
- 34
- 34.4
- 35
- 36
- 36.5
- 36.8
- 37.2
- 37.4
- 37.8
- 38
- 38.2
- 38.6
- 39
- 39.2
- 39.4
- 39.5
- 40
- 40.5
- 41
- 41.8
- 42
- 43.2
- 43.4
- 43.6
- 44
- 44.7
- 44.8
- 45
- 45.2
- 46
- 46.6
- 47
- 47.6
- 48
- 48.4
- 49.2
- 49.4
- 50
- 50.2
- 50.6
- 50.8
- 51
- 51.2
- 52
- 53
- 53.4
- 53.6
- 54
- 54.1
- 54.4
- 54.5
- 54.6
- 55
- 55.5
- 56
- 56.5
- 56.6
- 57
- 58
- 58.2
- 58.6
- 59
- 59.7
- 59.8
- 60
- 60.4
- 61
- 61.2
- 62
- 63.4
- 63.6
- 63.8
- 64.8
- 65
- 65.6
- 66
- 66.6
- 67
- 67.5
- 68
- 68.3
- 68.6
- 68.7
- 68.8
- 69
- 69.6
- 69.8
- 70
- 70.5
- 70.6
- 71
- 71.2
- 72
- 73
- 73.3
- 74
- 74.4
- 74.8
- 75
- 75.6
- 77
- 77.6
- 77.8
- 78
- 78.8
- 79
- 79.5
- 79.8
- 80
- 80.8
- 81
- 82
- 83
- 83.6
- 84
- 84.7
- 85.5
- 85.6
- 86
- 88
- 89.3
- 89.6
- 90
- 90.8
- 91
- 92
- 93
- 93.6
- 94
- 95
- 95.6
- 96
- 97
- 97.2
- 98
- 98.6
- 99
- 99.6
- 100
- 101.6
- 102
- 104.4
- 105.8
- 106
- 107
- 107.6
- 109
- 110
- 112.8
- 113
- 114
- 115.6
- 119.6
- 120
- 120.8
- 123.6
- 125
- 126
- 127
- 129.6
- 130
- 137.6
- 140
- 143
- 144
- 150
- 150.6
- 154
- 154.6
- 160
- 170.6
-
Max. Rotational Speed Range(r/min)
-
Feature
-
Body Material
-
Category
- Coupling Main Body
- Maintenace Parts
-
Allowable Torque(N•m)
-
Max. Rotational Speed(r/min)
-
Allowable Angular Misalignment(deg)
-
Allowable Lateral Misalignment Range(mm)
-
Allowable Lateral Misalignment(mm)
-
Buffer Part Material
-
Disc Part Material
-
Bellows Part Material
-
For Shaft Size D1(inch)
-
For Shaft Size D2(inch)
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