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Product DetailOldham Couplings Clamping Type
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Product DetailProduct Description
· GCOC/ GCOCRK/ GCOCWK Model Oldham Couplings Clamping Type.
· Couplings consisting of 2 hubs and 1 spacer disc.
· 2 hubs materials are aluminum alloy and surface treatment with alumite treatment.
· Spacer disc material is Polyacetal.
· Shaft Fastening Method: Lock bolt clamp screw type.
· Lock bolt clamp screw material: steel SCM435 surface treatment with Ferro ferric Oxide Protective Film.
· Oldham Coupling size: 16 to 32.
· Allowable Angular misalignment 3 degree.
· Operating Temperature Range: -20 to 80 °C
· Maximum Rotational Speed Range: 4001 ~ 10000 (r/min).
Economy Al/POM Oldham Coupling
- High torque capacity ensures reliable performance for demanding applications
- Allows for significant angular misalignment up to specified degree for versatile use.
- Made from durable aluminum and polyacetal for long-lasting operation
- Easy clamping type installation for quick and secure setup
- Operates efficiently at high rotational speeds
MISUMI Standard
Cheaper Price
Product Variety
3D CAD Support
Product Overview
■ Summary couplingFeatures: The quality and performance are the same as those of previous products, thus realizing low-cost supply. It can replace CPOC and CPO.
Dimensional Drawing
| Type |  Material |  Surface Treatment |  Accessories | ||||||
| Standard Hole | d1(One side) | d2(One side) | d1, d2(Both sides) | Body | Spacer | Lock bolt clamp screw | Body | Lock screw clamp screw | |
| GCOC | GCOCLK | GCOCRK | GCOCWK | Aluminum | Polyacetal | SCM435 | Alumite Treatment | Ferroferric Oxide Protective Film | Lock Bolt |
| GCO | GCOLK | GCORK | GCOWK | Clamp Screw | |||||
Specification Table
Please order after selecting part number and parameters according to the selection steps
to 
.Part Number (Type· D) | － |  d1 | － | d2 |
| Part Number | d1, d2 selection (But d1≤d2) | d3 | L | ℓ | t | F | A | Clamp screw·Lock bolt | |||||||||||
| Type | D | M | Tightening Torque | ||||||||||||||||
| (N·m) | |||||||||||||||||||
| GCOC· GCOCRK GCOCLK ·GCOCWK | 16 | ＊5 | ＊6 | 7 | 29 | 12.5 | 4 | 3 | 5 | M2.5 | 1 | ||||||||
| 20 | ＊6 | ＊6.35 | 8 | 9 | 33 | 14 | 5 | 6.5 | |||||||||||
| 25 | ＊6.35 | 8 | 10 | 11 | 39 | 16.5 | 6 | 3.8 | 9 | M3 | 1.5 | ||||||||
| 32 | 8 | 10 | 11 | 12 | 14 | 14.5 | 45 | 19 | 7 | 4.5 | 11 | M4 | 2.5 | ||||||
| GCO·GCORK GCOLK·GCOWK | 16 | ＊3 | ＊4 | ＊5 | ＊6 | ＊6.35 | 7 | 18 | 7 | 4 | 3.5 | － | M3 | 0.7 | |||||
| 20 | ＊4 | ＊5 | ＊6 | ＊6.35 | 8 | 9 | 23 | 9 | 5 | 4.5 | M4 | 1.7 | |||||||
| 25 | ＊5 | ＊6 | ＊6.35 | 8 | 10 | 11 | 28 | 11 | 6 | 5.5 | M5 | 4 | |||||||
| 32 | 8 | 10 | 12 | 14 | 14.5 | 33 | 13 | 7 | 6.5 | M6 | 7 | ||||||||
d1 and d2＊marked products without keyway hole.■The Coupling Characteristic Value
| Part Number | Allowable torque (N·m) | Allowable Angular Misalignment (°) | Allowable lateral misalignment (mm) | Maximum rotational speed (r/pm) | Moment of inertia (kg·m3) | Weight (g) | |
| Type | D | ||||||
| GCOC·GCOCRK GCOCLK·GCOCWK | 16 | 0.7 | 3 | 1.0 | 10000 | 4.4×10－7 | 11 |
| 20 | 1.2 | 1.5 | 1.2×10－6 | 20 | |||
| 25 | 2.0 | 2.0 | 3.3×10－6 | 37 | |||
| 32 | 4.5 | 2.5 | 1.4×10－6 | 70 | |||
| GCO· GCORK GCOLK ·GCOWK | 16 | 0.7 | 3 | 1.0 | 10000 | 2.2×10－7 | 6 |
| 20 | 1.2 | 1.5 | 6.9×10－7 | 13 | |||
| 25 | 2.0 | 2.0 | 2.1×10－6 | 23 | |||
| 32 | 4.5 | 2.5 | 6.5×10－6 | 45 | |||
Moment of inertia and weight are the values at the maximum shaft dia.Operating temperature: -20℃ to 80℃In order to obtain a larger allowable angular misalignment, this product is designed exclusively by MISUMI. For details, please refer to the shape of the protruding part of the adjusting ring GCOCS.Product Features
Precautions
Usage Method
Example of Use
Part Number
- Incomplete part number.
Please use left hand selections to complete a part number.
Basic Information
| Series Name | Oldham | Shaft Bore Dia. 1 d1 (or d)(Ø) | 6 | Shaft Bore Dia. 2 d2 (or d)(Ø) | 6 |
|---|---|---|---|---|---|
| O.D.(Ø) | 16 | Overall Length(mm) | 29 | Application | Standard |
| Allowable Torque Range(N•m) | 0.05~1.00 | Features | High Torque Type | Allowable Misalignment | Angular Misalignment / Eccentricity |
| Max. Rotational Speed Range(r/min) | 4001~10000 | Body Material | Aluminum | Allowable Torque(N•m) | 0.7 |
| Allowable Angular Misalignment(deg) | 3 | Allowable Lateral Misalignment(mm) | 1 | Product Category | Coupling Main Body |
| Allowable Lateral Misalignment Range(mm) | 0.41~1.0 | Max. Rotational Speed(r/min) | 10000 | Buffer Material | Polyacetal |
| Operating Temperature(°C) | -20::80 | Moment of Inertia(kg･m2) | 4.4×10-7 | Shaft Bore Shape | Standard Bore |
| Shaft Tightening Method | Fastening Bolt |
Please check the type/dimensions/specifications of the part GCOC16-6-6 in the Oldham Couplings Clamping Type series.
- 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 specific instructions.
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