# Boston Gear 30215174 NJ21B Steel Spur Gear 6 D.P. 21 Teeth 14.5° Pressure Angle Bored - MROSupply.com

***Boston Gear 30215174 NJ21B steel spur gear with 6 diametral pitch, 21 teeth, and 14.5 degree pressure angle. This bored spur gear is part of the NJ series for general industrial open gearing applications.***



## Product details:

- Catalog number: NJ21B
- SKU: 35054
- Price: ***$190.93*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Boston Gear](https://www.mrosupply.com/brands/boston-gear/)
- Category: 
    - [External Tooth Spur Gears](htts://www.mrosupply.com/gears-gear-racks/gears/spur-gears/external-tooth-spur-gears/)
    - [Spur Gears](htts://www.mrosupply.com/gears-gear-racks/gears/spur-gears/)
    - [Gears](htts://www.mrosupply.com/gears-gear-racks/gears/)
    - [Gears & Gear Racks](htts://www.mrosupply.com/gears-gear-racks/)
- Unit of measure: each
- Weight: 5.201 lb
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Bore Diameter (IN): 1. 000
  

  
- Face Width (IN): 1. 500
  

  
- Hub Diameter (IN): 2. 94
  

  
- Pitch Diameter (IN): 3. 500
  

  
- Speed: 900 RPM
  

  
- Torque Rating (LB IN): 1064 @ 900 RPM MAX
  
## Product documents / software:

- [Catalog Product Section](https://documents.mrosupply.com/product_documents/38/38846/p-1930-bg_spur-gears_XPDPy70.pdf)
- [Engineering Data](https://documents.mrosupply.com/product_documents/38/38846/p-1930-bg_engineering-info-spur-gears_Zlip3tk.pdf)
- [Full Catalog](https://documents.mrosupply.com/product_documents/57/57878/p-1930-bg.pdf)
## Alternate products to `Boston Gear 30215174 NJ21B Steel Spur Gear 6 D.P. 21 Teeth 14.5° Pressure Angle Bored - MROSupply.com`:
- [Martin S621 steel spur gear with 6 diametral pitch, 21 teeth, and 14.5-degree pressure angle. Plain bore design for custom shaft fitting. 3.833" outside diameter. Suitable for power transmission applications requiring 14.5-degree pressure angle gears.](https://www.mrosupply.com/products/251474/as-markdown/)

## Product's reviews:
- Right parts - very very please thank you
- Quality coordinator - GOOD QUALITY AND SERVICE.
- Good seller - Catalogue item, good price, fast delivery = good seller
- Good quality, fast delivery. - Easy ordering, don't have a minimum quantity, and fast delivery. Very satisfied with order.