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· 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).
Part Number
Configured Part Number is shown.
GCOC16-6-6
- 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

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Product Variety
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3D CAD Support

| 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 | |||||
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.| 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.


CAD Data download and 3D preview are not available because the part number has not yet been determined.
| Part Number |
|---|
| GCOC16-6-6 |
| 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 Lateral Misalignment (mm) | Allowable Lateral Misalignment Range (mm) | Moment of Inertia (kg・m2) | Shaft Bore Shape |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 49.78 | 1 Piece(s) | Available | 1 Day(s) | 6 | 6 | 16 | 29 | 0.05~1.00 | 0.7 | 1 | 0.41~1.0 | 4.4×10-7 | Standard Bore |
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| Series Name | Oldham | Application | Standard | Features | High Torque Type |
|---|---|---|---|---|---|
| Allowable Misalignment | Angular Misalignment / Eccentricity | Max. Rotational Speed Range(r/min) | 4001~10000 | Body Material | Aluminum |
| Allowable Angular Misalignment(deg) | 3 | Product Category | Coupling Main Body | Max. Rotational Speed(r/min) | 10000 |
| Buffer Material | Polyacetal | Operating Temperature(°C) | -20::80 | Shaft Tightening Method | Fastening Bolt |
| Shaft Tightening Method | 紧固螺栓 |
Please check the type/dimensions/specifications of the part GCOC16-6-6 in the Oldham Couplings Clamping Type series.
| Part Number |
|---|
| GCOC16-5-6 |
| GCOC20-6-6 |
| GCOC20-6.35-6.35 |
| GCOC25-6.35-10 |
| GCOC25-6.35-6.35 |
| GCOC25-8-10 |
| 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 Lateral Misalignment (mm) | Allowable Lateral Misalignment Range (mm) | Moment of Inertia (kg・m2) | Shaft Bore Shape |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 40.91 | 1 Piece(s) | Available | 1 Day(s) | 5 | 6 | 16 | 29 | 0.05~1.00 | 0.7 | 1 | 0.41~1.0 | 4.4×10-7 | Standard Bore | |
MYR 52.39 | 1 Piece(s) | Available | 1 Day(s) | 6 | 6 | 20 | 33 | 1.01~3.00 | 1.2 | 1.5 | 1.1~3.0 | 1.2×10-6 | Standard Bore | |
MYR 52.39 | 1 Piece(s) | Available | 1 Day(s) | 6.35 | 6.35 | 20 | 33 | 1.01~3.00 | 1.2 | 1.5 | 1.1~3.0 | 1.2×10-6 | Standard Bore | |
MYR 56.13 | 1 Piece(s) | Available | 1 Day(s) | 6.35 | 10 | 25 | 39 | 1.01~3.00 | 2 | 2 | 1.1~3.0 | 3.3×10-6 | Standard Bore | |
MYR 56.13 | 1 Piece(s) | Available | 6 Day(s) | 6.35 | 6.35 | 25 | 39 | 1.01~3.00 | 2 | 2 | 1.1~3.0 | 3.3×10-6 | Standard Bore | |
MYR 56.13 | 1 Piece(s) | Available | 1 Day(s) | 8 | 10 | 25 | 39 | 1.01~3.00 | 2 | 2 | 1.1~3.0 | 3.3×10-6 | Standard Bore |
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