# Martin 40B25SS Type B Plain Bore Sprocket #40 Chain 1/2" Pitch 25 Teeth Stainless Steel 4.258" OD - MROSupply.com

***Martin 40B25SS Type B plain bore roller chain sprocket for #40 chain (1/2" pitch), 25 teeth, stainless steel (304 SS) construction with hub on one side. Outside diameter 4.258". Suitable for corrosion-resistant applications.***



## Product details:

- Catalog number: 40B25SS
- SKU: 261975
- Price: ***$301.33*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [Type B Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/type-b-plain-bore-sprockets/)
    - [Plain Bore Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/plain-bore-sprockets/)
    - [Roller Chain Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/roller-chain-sprockets/)
    - [Sprockets](htts://www.mrosupply.com/chains-sprockets/sprockets/)
    - [Chains & Sprockets](htts://www.mrosupply.com/chains-sprockets/)
- Unit of measure: each
- Weight: 2.550 lb
- Technicall support: contact supplier for technical support on 323-728-8117


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


## Product attributes;

  
- Material: Stainless Steel
  

  
- Number Of Teeth: 25
  

  
- Outside Dia: 4.258"
  

  
- Pitch: 0.500 in.
  

## Suggested products:
- [HKK RC040R1A (alt. 40R10) is a standard ANSI 40 single strand roller chain with 1/2" pitch, 10 ft reel. Features solid bushings and rollers, pin diameter 0.156", plate height 0.457", roller diameter 0.312", roller width 5/16". Average ultimate strength 4,300 lbs, maximum allowable load 940 lbs. ANSI B29.1 compliant, made in Japan.](https://www.mrosupply.com/products/2265612/as-markdown/)
- [Martin 40B25SS Type B plain bore roller chain sprocket for #40 chain (1/2" pitch), 25 teeth, stainless steel (304 SS) construction with hub on one side. Outside diameter 4.258". Suitable for corrosion-resistant applications.](https://www.mrosupply.com/products/261975/as-markdown/)
- [Martin 40A14 Type A plain bore roller chain sprocket for #40 chain (1/2" pitch) with 14 teeth. Flat plate design with no hub, made of steel. Outside diameter: 2.491". Compatible with ANSI B29.1 standard chain.](https://www.mrosupply.com/products/261214/as-markdown/)
- [Renold Jeffrey 40-1R PREMIUM ROLLER CHAIN 10 RIVETED](https://www.mrosupply.com/products/2182855/as-markdown/)
- [Martin 40A112 Type A plain bore roller chain sprocket for #40 chain, 1/2" pitch, 112 teeth, 18.121" outside diameter. Flat plate design with no hub, steel construction. Suitable for applications requiring a lightweight, compact sprocket where hub projection is not needed.](https://www.mrosupply.com/products/261211/as-markdown/)

## Product's reviews:
- Great service and selection - I was very pleased to find this on the shelf. The price was fair, and the delivery was prompt.
I will do business again with MRO
- 70 tooth #41 chain sprocket - The sprocket arrived on time, fit perfectly and was priced well. MRO SUPPLY is your best choice for hard to find sprockets!
- Works great - Works perfect and made my gokart way faster
- Flexible coupler - Very fast and reliable shipping.