# Zero-Max 6A18-AC CD Composite Disc Coupling, Single-Flex, Size 18, Aluminum Clamp Hubs - MROSupply.com

***Zero-Max 6A18-AC CD composite disc coupling, single-flex, size 18, with aluminum clamp hubs. This precision motion-control coupling transmits torque while absorbing parallel and angular misalignment. Ideal for general industrial applications requiring reliable, maintenance-free operation.***



## Product details:

- Catalog number: 6A18-AC
- SKU: 2785369
- Obsolete: This item is no longer available on MROSupply.com, however we
have this identical replacement you can see here - [Zero-Max 6A18-AC-033-029-01 CD single-flex composite-disc pack for size 18 couplings. Replacement disc pack for Zero-Max CD couplings, transmitting torque while absorbing parallel and angular misalignment in industrial motion-control applications.](https://www.mrosupply.com/products/96821066/as-markdown/)
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Zero-Max](https://www.mrosupply.com/brands/zero-max/)
- Category: 
    - [Single Disc Couplings](htts://www.mrosupply.com/shaft-couplings-and-collars/disc-couplings/complete-units/single-disc-couplings/)
    - [Complete Units](htts://www.mrosupply.com/shaft-couplings-and-collars/disc-couplings/complete-units/)
    - [Disc Couplings](htts://www.mrosupply.com/shaft-couplings-and-collars/disc-couplings/)
    - [Shaft Couplings and Collars](htts://www.mrosupply.com/shaft-couplings-and-collars/)
- Unit of measure: each
- Returns: Yes
- Technicall support: contact supplier for technical support on 800-533-1731


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Angular misalignment: 3
  

  
- Axial misalignment: 0.030 inches, 0.8 mm
  

  
- Continuous Rated Torque: 180 in-lbs, 20 Nm
  

  
- Distance Between Shaft Ends (C): 0.28 inches, 7.1 mm
  

  
- Hub Length (B): 0.810 inches, 20.6 mm
  

  
- Inertia at 1/2 Max Bore: 0.13 lb-in, 0.38 kg-cm
  

  
- Inertia at Max Bore: 0.15 lb-in, 0.44 kg-cm
  

  
- Inside Diameter of Disc-Pack (H): 0.79 inches, 20.1 mm
  

  
- Max Speed: 15, 000 RPM
  

  
- Maximum Bore (E) with Keyway: 0.625 inches, 16 mm
  

  
- Maximum Bore (E) without Keyway: 0.813 inches, 21 mm
  

  
- Maximum Clamp Collar Diameter (F): 1.77 inches, 45 mm
  

  
- Maximum Clamp Collar Width (D): 0.472 inches, 12 mm
  

  
- Outside Diameter (A): 1.85 inches, 47.0 mm
  

  
- Overall Length: 1.88 inches, 47.8 mm
  

  
- Parallel misalignment: 0.004 inches, 0.10 mm
  

  
- Peak Rated Torque: 360 in-lbs, 40 Nm
  

  
- Torsional stiffness: 11, 650 Nm/rad
  

  
- Weight at 1/2 Max Bore: 0.31 lbs, 0.14 kg
  

  
- Weight at Max Bore: 0.32 lbs, 0.15 kg
  
## Product documents / software:

- [Installation Instructions](https://documents.mrosupply.com/product_documents/27/85/2785409/6a_CD_ASSY.pdf)
- [Product Catalog](https://documents.mrosupply.com/product_documents/27/85/2785409/Zero-Max_CD_Couplings.pdf)

## Product's reviews:
- Zero max coupling - GOOD JOB
- Zero max coupling - EXCELENT JOB
- Happy - I have Not Installed yet
This Looks Good and Everyone is Thrilled
- Zero max coupling - EXCELENT JOB