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Bellows Coupling Set Screw Type (Part Numbers)
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MiSUMi Economy
This is an economy item, The price is cheaper than the MISUMI standard product.
Part Number
Configured Part Number is shown.
Product Overview
A coupling is a part that connects two different rotating bodies (motor shaft, ball screw, etc.) and aims at transmitting torque.
The difficulty of assembly adjustment is reduced by absorbing the axis deviation (lateral misalignment, angular misalignment and axial amplitude) between rotating bodies.
And in case of accidental overload, the coupling is destroyed first and the rotating bodies are disconnected to protect the expensive power part and the whole device.
The difficulty of assembly adjustment is reduced by absorbing the axis deviation (lateral misalignment, angular misalignment and axial amplitude) between rotating bodies.
And in case of accidental overload, the coupling is destroyed first and the rotating bodies are disconnected to protect the expensive power part and the whole device.
Dimensional Drawing
Material Specification
| Hub | Bellows |  Accessories | |
 Material |  Surface Treatment | Material | |
| Aluminum Alloy | Anodized | Stainless Steel | Set Screw |
Specification Table
Follow the selection procedure 
～
to select the type and parameters before ordering. Please specify Shaft Bore Dia. within the range of d1≤d2.
～
to select the type and parameters before ordering. Please specify Shaft Bore Dia. within the range of d1≤d2.Part Number (Type· D) | - |  d1 | - | d2 |
| E-LMPB20L32 | - | 6 | - | 8 |
| E-LMPB32L42 | - | 8 | - | 10 |
| Part Number | d1, d2 selection (But d1≤d2) | ||||||||||||||||||||
| Type | D | L | |||||||||||||||||||
| E-LMPB | 16 | L27 | 4 | 5 | 6 | 6.35 | 7 | 8 | |||||||||||||
| 20 | L32 | 5 | 6 | 6.35 | 7 | 8 | 9 | 9.525 | 10 | ||||||||||||
| 22.5 | L34 | 5 | 6 | 6.35 | 7 | 8 | 9 | 9.525 | 10 | 11 | 12 | ||||||||||
| 25 | L37 | 6 | 6.35 | 7 | 8 | 9 | 9.525 | 10 | 11 | 12 | |||||||||||
| 32 | L42 | 8 | 9 | 9.525 | 10 | 11 | 12 | 12.7 | 14 | 15 | |||||||||||
| 40 | L51 | 8 | 9 | 9.525 | 10 | 11 | 12 | 12.7 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | ||||||
| Part Number | F | Fastening Bolt | Allowable torque (N·m) | Mass (g) | |||
| Type | D | L | M | Tightening Torque N.m | |||
| E-LMPB | 16 | L27 | 3.2 | M3 | 0.7 | 0.8 | 8 |
| 20 | L32 | 3.6 | M3 | 0.7 | 1.5 | 13 | |
| 22.5 | L34 | 4.5 | M4 | 1.7 | 1.8 | 22 | |
| 25 | L37 | 4.5 | M4 | 1.7 | 2 | 30 | |
| 32 | L42 | 3.8 | M5 | 4 | 2.5 | 53 | |
| 40 | L51 | 5.3 | M5 | 4 | 10 | 85 | |
Alterations
| Shaft Bore Dia. d1·d2 | b (Keyway Width) | t Keyway Depth | Nominal Size of Key b X h | |
| LK | RK | |||
| 8~10 | 3 | 3 | 1.4 | 3x3 |
| 11~12 | 4 | 4 | 1.8 | 4x4 |
| 13~17 | 5 | 5 | 2.3 | 5x5 |
| 18~22 | 6 | 6 | 2.8 | 6x6 |
Product Features
■Feature: Despite the axis deviation, it rotates at a constant speed, which is ideal for encoders. Due to the large allowable axial runout, the change of shaft length caused by the change of shaft temperature can be offset.
Example of Use
Precautions
Lateral misalignment, angular misalignment and axial amplitude are all single allowable values. If there are multiple deviations at the same time, the allowable value of each deviation will be reduced to 1/2 of the original value.Application Industries
| Electronic & Electrical | Automotive | Lithium battery | ||
 |  |  | ||
| LCD | Smart Phones | Semiconductor | ||
 |  |  |
Related Products
| Part Number |
|---|
| E-LMPB16L27-[4,5,6,6.35,7,8]-[4,5,6,6.35,7,8] |
| E-LMPB20L32-[5,6,6.35,7,8,9,9.525,10]-[5,6,6.35,7,8,9,9.525,10] |
| E-LMPB22.5L34-[5,6,6.35,7,8,9,9.525,10,11,12]-[5,6,6.35,7,8,9,9.525,10,11,12] |
| E-LMPB25L37-[6,6.35,7,8,9,9.525,10,11,12]-[6,6.35,7,8,9,9.525,10,11,12] |
| E-LMPB32L42-[8,9,9.525,10,11,12,12.7,14,15]-[8,9,9.525,10,11,12,12.7,14,15] |
| E-LMPB40L51-[8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20]-[8,9,9.525,10,11,12,12.7,14,15,16,17,18,19,20] |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Shaft Bore Dia.1 d1 (or d) (Ø) | Shaft Bore Dia. 2 d2 (or d) (Ø) | O.D. (Ø) | Overall Length (mm) | Allowable Torque (N•m) | Allowable Lateral Misalignment (mm) | Max. Rotational Speed (r/min) | Allowable Axial Misalignment (mm) | Moment of Inertia (kg･m2) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | 11 Day(s) | 4 ～ 8 | 4 ～ 8 | 16 | 27 | 0.8 | 0.1 | 20000 | -1.0/+0.3 | 7.9×10-7 | ||
- | 1 Piece(s) | 10 Day(s) | 5 ～ 10 | 5 ～ 10 | 20 | 32 | 1.5 | 0.1 | 18000 | -1.0/+0.3 | 2.0×10-6 | ||
- | 1 Piece(s) | 10 Day(s) | 5 ～ 12 | 5 ～ 12 | 22.5 | 34 | 1.8 | 0.15 | 16000 | -1.0/+0.3 | 6.2×10-6 | ||
- | 1 Piece(s) | 10 Day(s) | 6 ～ 12 | 6 ～ 12 | 25 | 37 | 2 | 0.15 | 15000 | -1.3/+0.5 | 6.7×10-6 | ||
- | 1 Piece(s) | 11 Day(s) | 8 ～ 15 | 8 ～ 15 | 32 | 42 | 2.5 | 0.2 | 11000 | -1.3/+0.5 | 2.0×10-5 | ||
- | 1 Piece(s) | 11 Day(s) | 8 ～ 20 | 8 ～ 20 | 40 | 51 | 10 | 0.2 | 10000 | -1.3/+0.5 | 2.1×10-4 |
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Basic Information
| Series Name | Bellows | Application | Stepping Motor / Encoder | Features | Zero Backlash / Low Moment of Inertia |
|---|---|---|---|---|---|
| Allowable Misalignment | Angular Misalignment / Eccentricity / Axial Misalignment | Body Material | Aluminum Alloy | Allowable Angular Misalignment(deg) | 2 |
| Product Category | Coupling Main Body | Bellow Material | Stainless Steel | Shaft Tightening Method | Set Screw |
| Shaft Hole Shape | Standard |
Specification/Dimensions
-
Shaft Bore Dia.1 d1 (or d)(Ø)
-
Shaft Bore Dia. 2 d2 (or d)(Ø)
-
O.D.(Ø)
-
Overall Length(mm)
-
Allowable Torque(N•m)
-
Allowable Lateral Misalignment(mm)
-
Max. Rotational Speed(r/min)
-
type
- E-LMPB
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 10 Day(s) or Less
- 11 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked question (FAQ)
- Question: What is a coupling?
- Answer: A coupling is a part that connects two different rotating bodies (motor shaft, ball screw, etc.) and aims at transmitting torque. The load of assembly adjustment is reduced by absorbing the axis deviation (lateral misalignment, angular misalignment and axial amplitude) between rotating bodies. And in case of accidental overload, the coupling is destroyed and the rotating bodies are disconnected to protect the expensive power part and the whole device.
- Question: What are the types of MISUMI couplings?
- Answer: There are disc type, grooved type, cross type, claw type, bellows type, rigid type and universal joint type.
- Question: How to select coupling according to motor?
- Answer: Disc type is recommended for servo motors, grooved type is recommended for stepping motors, and cross type is recommended for universal motors.
- Question: How to select according to the purpose, environment, working conditions?
- Answer: Please refer to the link page for specific instructions. https://www.misumi.com.cn/special/coupling/select/situation/
- Question: What kind of coupling should be used when the angular misalignment is very large?
- Answer: Please select the universal joint with allowable angular misalignment of 30 degrees. In addition, when grease cannot be applied regularly, use a rubber sleeve to fill grease and use it.
Additional Products in this Category
- Oldham Coupling - Set Screw Type - RABK
- Helical Slit Shape Coupling, Clamping Type
- OLDHAM Type Coupling (SOH Series)
- Disc-Shaped Coupling - Set Screw Long Type (Double Disc) - [SDWB]
- Disc Coupling Clamping Type (Double Disc) SDAA
- Flexible Coupling (Set Screw) EA969AF-6
- Flexible Coupling (Clamping) EA969BE-3
- Flexible Coupling (Clamping) EA969BF-4
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