# System Plast 815-21R40M-DS 815 Series Modular Belt Sprocket 21 Teeth 40 mm Round Bore Molded Split Drive 129.3 mm Pitch Diameter - MROSupply.com

***System Plast 815-21R40M-DS 815 Series modular belt sprocket with 21 teeth and 40 mm round bore. Molded split drive design for easy installation on existing shafts. 129.3 mm pitch diameter. Compatible with 1.0 in (25.4 mm) pitch modular plastic belt and tabletop chain. Regal Rexnord brand for food and beverage packaging conveyors.***



## Product details:

- Catalog number: 12056N
- SKU: 2380054
- Price: ***$107.72*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [System Plast](https://www.mrosupply.com/brands/system-plast/)
- Category: 
    - [Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/)
    - [Chains & Sprockets](htts://www.mrosupply.com/chains-sprockets/)
- Unit of measure: each
- Weight: 1.150 lb
- UPC: 726166190842
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- # of Teeth: 21
  

  
- Body Style: Block
  

  
- Bore Geometry: Round
  

  
- Bore Size (mm): 40
  

  
- Bore Type: Shaft-Ready
  

  
- Chain Number: 815
  

  
- Chain Pitch (in): 1.5
  

  
- Chain Pitch (mm): 38.1
  

  
- Flanged: No
  

  
- Height: 5.08
  

  
- Hub Type: C-Hub Both Sides
  

  
- Length: 5.08
  

  
- Measurement System: Metric
  

  
- Molded or Machined: Molded
  

  
- Number of Keyways: 1
  

  
- Outer Dia. (in): 5.079
  

  
- Outer Dia. (mm): 129
  

  
- Pitch Diameter (in): 5.032
  

  
- Pitch Diameter (mm): 127.82
  

  
- Product Group: TableTop®
  

  
- Product Line: Chain and Belt Sprockets
  

  
- Split or Solid: Split
  

  
- Sprocket Construction: Molded Split Sprocket
  

  
- Width: 1.63
  
## Product documents / software:

- [Catalog Page](https://documents.mrosupply.com/product_documents/23/80/2380078/multiple-brands-22F45_Ik51Z1F.pdf)
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## Product's reviews:
- Very good service - Very good service
- Well done - Quick delivery.
- Good product - GOOD PRODUCT
- Very good service - EXCELLENT