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· C-SCPW series Disc Couplings High Rigidity Double Disc, Clamping Type
· Type of Coupling: C-SCPW.
· Applicable motor types: recommended for servo motors, stepping motors.
· Maximum Rotational Speed Range: 4001 ~ 10000 (r/min).
· Maximum Rotational Speed: 10000 (r/min).
· Allowable Angular Misalignment: 1.0, 1.2 and 1.5°
· Disc Type: Double Discs.
· Body material: Aluminum Alloy.
· Disc material: Stainless Steel.
· Lock bolt: Steel SCM435 surface treatment Ferro ferric Oxide Protective Film.
· Operating for working in high temperature -80 to 300 °C
· Accessories: Hex socket bolt (Clamping bolt).
Part Number
Configured Part Number is shown.
- High torsional rigidity and zero backlash ensure precision in servo motor operations
- Made from durable aluminum alloy and stainless steel for extended lifespan
- Capable of operating in high temperatures within specified range
- Simple clamping type installation makes setup quick and easy
- Allows for angular, lateral, and axial misalignment, enhancing flexibility

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| Parts | Material | Surface Treatment | Accessories |
| Body | Aluminum | - | Hex socket bolt (Clamping bolt) |
| Disc | Stainless Steel | - | |
| Fastening Bolt | SCM435 | Black Oxide Film |
to
.Part Number ( Type· No.) | - | d1 | - | d2 |
| C-SCPW34 | - | 10 | - | 14 |
| Part Number | d1 , d2 selection (But d1≤d2) | D | d3 | L | ℓ | F | A | Fastening Bolt | ||||||||||||||||||
Type | No. | M | Tightening torque (N·m) | |||||||||||||||||||||||
| C-SCPW | 16 | 4 | 5 | 6 | 16.6 | 6.5 | 23 | 7.2 | 3 | 5.3 | M2.6 | 1.0 | ||||||||||||||
| 21 | 4 | 5 | 6 | 8 | 21 | 9.5 | 24.5 | 7 | 3.5 | 7 | M2.6 | 1.2 | ||||||||||||||
| 28 | 6 | 6.35 | 8 | 10 | 28 | 12 | 32.2 | 9 | 4 | 9.5 | M3 | 1.7 | ||||||||||||||
| 34 | 6 | 6.35 | 8 | 10 | 11 | 12 | 14 | 34 | 15 | 35 | 9.8 | 5 | 12 | M3 | 1.7 | |||||||||||
| 46 | 8 | 10 | 11 | 12 | 14 | 15 | 16 | 17 | 19 | 46 | 22 | 44 | 12.6 | 6 | 16.5 | M4 | 4.1 | |||||||||
| 55 | 12 | 14 | 15 | 16 | 17 | 19 | 20 | 22 | 24 | 25 | 54.5 | 26 | 55 | 16 | 7 | 20.5 | M5 | 8.2 | ||||||||
| Part Number | Allowable torque (N·m) | Allowable Angular Misalignment (°) | Allowable lateral misalignment (mm) | Static torsional stiffness (N·m/rad) | Maximum Rotational Speed (r/min) | Moment of inertia (kg·m2) | Allowable axial amplitude (mm) | Compensation coefficient | Weight (g) | |
| Type | No. | |||||||||
| C-SCPW | 16 | 0.5 | 1.0 | 0.10 | 500 | 10000 | 4.22×10-7 | ±0.20 | 1.5 | 11 |
| 21 | 1.0 | 800 | 1.11×10-6 | 17 | ||||||
| 28 | 1.5 | 1.2 | 0.15 | 3000 | 4.68×10-6 | 42 | ||||
| 34 | 4.0 | 1.5 | 0.20 | 4800 | 1.10×10-5 | 65 | ||||
| 46 | 10.0 | 0.25 | 11500 | 4.70×10-5 | ±0.30 | 151 | ||||
| 55 | 25.0 | 19000 | 1.19×10-4 | 260 | ||||||
Static torsional stiffness, moment of inertia and weight are the values at the maximum shaft dia..
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.
For selection criteria and calibration adjustment, refer to >>P.747, 748.
When the shaft slip torque is less than the allowable torque, please use it below the shaft slip torque.| No. | d1, d2 | ||||||||||||||||
| 4 | 5 | 6 | 6.35 | 8 | 10 | 11 | 12 | 14 | 15 | 16 | 17 | 19 | 20 | 22 | 24 | 25 | |
| 16 | 0.5 | 0.5 | 0.5 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 21 | 1.0 | 1.0 | 1.0 | - | 1.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 28 | - | - | 1.5 | 1.5 | 1.5 | 1.5 | - | - | - | - | - | - | - | - | - | - | - |
| 34 | - | - | 2.5 | 2.5 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | - | - | - | - | - | - | - | - |
| 46 | - | - | - | - | 6.0 | 6.0 | 8.0 | 8.0 | 8.0 | 8.0 | 10 | 10 | 10 | - | - | - | - |
| 55 | - | - | - | - | - | - | - | 16 | 16 | 19 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |





CAD Data download and 3D preview are not available because the part number has not yet been determined.
| 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 Range (N•m) | Allowable Torque (N•m) | Allowable Angular Misalignment (deg) | Allowable Lateral Misalignment (mm) | Allowable Lateral Misalignment Range (mm) | Allowable Axial Misalignment (mm) | Moment of Inertia (kg・m2) | Single/Double | Shaft Tightening Method |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 255.53 | 1 Piece(s) | Available | 6 Day(s) | 12 | 24 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.51 | 1 Piece(s) | Available | 6 Day(s) | 12 | 25 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.57 | 1 Piece(s) | Available | 6 Day(s) | 14 | 14 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 308.45 | 1 Piece(s) | Available | 6 Day(s) | 14 | 16 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.57 | 1 Piece(s) | Available | 6 Day(s) | 14 | 17 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 284.65 | 1 Piece(s) | Available | 6 Day(s) | 14 | 19 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.53 | 1 Piece(s) | Available | 6 Day(s) | 14 | 22 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.51 | 1 Piece(s) | Available | 6 Day(s) | 14 | 24 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.49 | 1 Piece(s) | Available | 6 Day(s) | 14 | 25 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.60 | 1 Piece(s) | Available | 6 Day(s) | 15 | 15 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 308.45 | 1 Piece(s) | Available | 6 Day(s) | 15 | 16 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.57 | 1 Piece(s) | Available | 6 Day(s) | 15 | 17 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.55 | 1 Piece(s) | Available | 1 Day(s) | 15 | 19 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.55 | 1 Piece(s) | Available | 6 Day(s) | 15 | 20 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 284.63 | 1 Piece(s) | Available | 6 Day(s) | 15 | 22 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.51 | 1 Piece(s) | Available | 6 Day(s) | 15 | 24 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.51 | 1 Piece(s) | Available | 6 Day(s) | 15 | 25 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 308.45 | 1 Piece(s) | Available | 6 Day(s) | 16 | 16 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 308.45 | 1 Piece(s) | Available | 6 Day(s) | 16 | 17 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 308.45 | 1 Piece(s) | Available | 6 Day(s) | 16 | 19 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 308.45 | 1 Piece(s) | Available | 1 Day(s) | 16 | 20 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 308.45 | 1 Piece(s) | Available | 6 Day(s) | 16 | 22 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 308.45 | 1 Piece(s) | Available | 6 Day(s) | 16 | 24 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 308.45 | 1 Piece(s) | Available | 6 Day(s) | 16 | 25 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.55 | 1 Piece(s) | Available | 6 Day(s) | 17 | 17 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.55 | 1 Piece(s) | Available | 6 Day(s) | 17 | 19 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.53 | 1 Piece(s) | Available | 6 Day(s) | 17 | 20 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.51 | 1 Piece(s) | Available | 6 Day(s) | 17 | 22 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 332.77 | 1 Piece(s) | Available | 6 Day(s) | - | - | - | - | - | - | - | - | - | - | - | - | - | |
MYR 341.48 | 1 Piece(s) | Available | 6 Day(s) | - | - | - | - | - | - | - | - | - | - | - | - | - | |
MYR 255.49 | 1 Piece(s) | Available | 6 Day(s) | 17 | 24 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.49 | 1 Piece(s) | Available | 6 Day(s) | 17 | 25 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.53 | 1 Piece(s) | Available | 6 Day(s) | 19 | 19 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 284.60 | 1 Piece(s) | Available | 1 Day(s) | 19 | 20 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.51 | 1 Piece(s) | Available | 6 Day(s) | 19 | 22 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.49 | 1 Piece(s) | Available | 6 Day(s) | 19 | 24 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.47 | 1 Piece(s) | Available | 6 Day(s) | 19 | 25 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.51 | 1 Piece(s) | Available | 6 Day(s) | 20 | 20 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.49 | 1 Piece(s) | Available | 6 Day(s) | 20 | 22 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.47 | 1 Piece(s) | Available | 6 Day(s) | 20 | 24 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.47 | 1 Piece(s) | Available | 6 Day(s) | 20 | 25 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.47 | 1 Piece(s) | Available | 6 Day(s) | 22 | 22 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.45 | 1 Piece(s) | Available | 6 Day(s) | 22 | 24 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.45 | 1 Piece(s) | Available | 6 Day(s) | 22 | 25 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.43 | 1 Piece(s) | Available | 6 Day(s) | 24 | 24 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 255.43 | 1 Piece(s) | Available | 6 Day(s) | 24 | 25 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - | |
MYR 284.51 | 1 Piece(s) | Available | 1 Day(s) | 25 | 25 | 54.5 | 55 | 20.01~50.00 | 25 | 1.5 | 0.25 | 0.21~0.40 | 0.3 | 1.19×10-4 | - | - |
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| Series Name | Disc | Application | For Servo Motors / Stepping Motor | Features | High Torsional Rigidity / High Torque Type / Zero Backlash |
|---|---|---|---|---|---|
| Allowable Misalignment | Angular Misalignment / Eccentricity / Axial Misalignment | Max. Rotational Speed Range(r/min) | 4001~10000 | Body Material | Aluminum Alloy |
| Product Category | Coupling Main Body | Max. Rotational Speed(r/min) | 10000 | Disc Material | Stainless Steel |
| Single/Double | Double | Shaft Bore Shape | Standard Bore | Shaft Tightening Method | Fastening Bolt |
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