# Grove Gear Narrow Housing IronMan NH-B821-100-D NH8210036.00 100:1 Single Reduction Worm Gear Speed Reducer 2.06" Center Distance Double Extension Solid Output Cast Iron - MROSupply.com

***Grove Gear NH-B821-100-D (catalog NH8210036.00) Narrow Housing IronMan 100:1 ratio single reduction worm gear speed reducer with 2.06" center distance, 0.625" input diameter, and 0.875" output diameter. Non-flanged solid double extension output shaft in cast iron housing for right angle power transmission. Blue painted finish with Viton shaft seals.***



## Product details:

- Catalog number: NH8210036.00
- SKU: 1344456
- Price: ***$860.10*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Electra/Grove Gear](https://www.mrosupply.com/brands/electragrove-gear/)
- Category: 
    - [Solid Input Shaft Solid Output Shaft Double Worm](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/solid-input-shaft-worm-gear-reducers/solid-input-shaft-solid-output-shaft-double-worm/)
    - [Solid Input Shaft Worm Gear Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/solid-input-shaft-worm-gear-reducers/)
    - [Right Angle Worm Gear Speed Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/)
    - [Right Angle Speed Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/)
    - [Speed Reducers](htts://www.mrosupply.com/speed-reducers/)
- Unit of measure: each
- Weight: 21.000 lb
- UPC: 690310061558
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Assembly: B-D
  

  
- Center Distance: 2.1 In.
  

  
- Center distance (in): 2.06
  

  
- Center Distance Range: 1" thru 3.25"
  

  
- Gear Drive Reductions: Single
  

  
- Gear Type: Worm
  

  
- H-Tap Size: 5/16 - 18 UNC
  

  
- Housing material: Cast iron
  

  
- HP Range: 1/3 HP or Less (< 1/2)
  

  
- Input Diameter (in): 0.625
  

  
- Input HP: 0.217
  

  
- Input HP @ 1750 RPM: 0.217
  

  
- Input RPM: 1750
  

  
- Input Style: Solid Input Shaft
  

  
- Max OHL (Output Shaft): 775
  

  
- Max Thrust Load (Output Shaft): 1144
  

  
- Model Code: B821
  

  
- Mounting Style: Base
  

  
- No. of Gear Reductions: Single
  

  
- Output: Left & Right
  

  
- Output Diameter (in): 0.875
  

  
- Output HP: 0.122
  

  
- Output Key: 3/16 X 1.50
  

  
- Output RPM: 17
  

  
- Output Shaft: Solid Shaft
  

  
- Output Shaft Assembly Code: D
  

  
- Output Shaft Direction: Double
  

  
- Output Shaft Orientation: LR
  

  
- Output Style: D
  

  
- Output Torque: 439
  

  
- Output Torque Range: 250 to 500 in lbs
  

  
- Output type: Solid Shaft
  

  
- Overhung Load: 1580
  

  
- Paint/Coating: Blue
  

  
- Product Line: NH Series - Ironman Narrow Housing Worm Gear Reducers
  

  
- Product Type: Right Angle
  

  
- Ratio: 100 to 1
  

  
- Ratio Range: 100-1 to 250-1
  

  
- Reducer: Worm - Right Angle
  

  
- Reducer Style: Worm - Right Angle
  

  
- Reducer Type: Single
  

  
- Series: NH Series - Ironman Narrow Housing Worm Gear Reducers
  

  
- Series Code: NH
  

  
- Series Style: NH-B-D
  

  
- Service Factor: 1
  

  
- Shaft Seal Material: Viton
  

  
- TAP Depth: 0.63
  

  
- Thrust Rating - output shaft: 1144
  
## Product documents / software:

- [Catalog](https://documents.mrosupply.com/product_documents/13/44/1344580/Grove_Gear_NH821000100_Catalog_o0QdWLM.pdf)
- [Instruction/Installation Manual](https://documents.mrosupply.com/product_documents/13/41/1341843/Grove_Gear_EL813001400_Manual_GZR8HGy.pdf)
- [NH-B821-100-D_dimensions](https://documents.mrosupply.com/product_documents/NH/NH8130001.00/B-NH.pdf)

## Product's reviews:
- Coach - Timely delivery in an untimely world.
- Replacement for an obsolete gearbox - We needed this gearbox as a replacement for an obsolete model made by Grove Gear back in the 90&#39;s. Needed to call the company to find out the equivalent and they directed me towards MRO. If this one will last as long as its predecessor I&#39;ll be retired by the time it will need to be replaced again.
- Gear box - excellent service, fast, easy, and customer service outstanding,
if any changes they call and let you know,
- Right on - Took a bit to ship but after it shipped I got it fast. Right product.