# Grove Gear Narrow Housing IronMan NH-B821-50-R NH8210021.00 50:1 Single-Reduction Worm Gear Speed Reducer 2.06" Center Distance Right-Hand Solid Output Cast Iron - MROSupply.com

***Grove Gear NH-B821-50-R NH8210021.00 Narrow Housing IronMan 50:1 ratio single-reduction worm gear speed reducer with 2.06" center distance, right-hand solid output, 0.625" input diameter, and 0.875" output diameter. Cast iron housing with blue paint, Viton shaft seals, and base mounting. Delivers 0.539 HP output at 35 RPM with 970 in-lb torque for right-angle power transmission applications.***



## Product details:

- Catalog number: NH8210021.00
- SKU: 1344441
- Price: ***$723.96*** 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 Right 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-right-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: 690310061404
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Assembly: B-R
  

  
- 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: 1/2 to 3/4 HP (< 1)
  

  
- Input Diameter (in): 0.625
  

  
- Input HP: 0.769
  

  
- Input HP @ 1750 RPM: 0.769
  

  
- 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: Right
  

  
- Output Diameter (in): 0.875
  

  
- Output HP: 0.539
  

  
- Output Key: 3/16 X 1.50
  

  
- Output RPM: 35
  

  
- Output Shaft: Solid Shaft
  

  
- Output Shaft Assembly Code: R
  

  
- Output Shaft Direction: Right
  

  
- Output Shaft Orientation: R
  

  
- Output Style: R
  

  
- Output Torque: 970
  

  
- Output Torque Range: 500 to 1000 in lbs
  

  
- Output type: Solid Shaft
  

  
- Overhung Load: 1385
  

  
- Paint/Coating: Blue
  

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

  
- Product Type: Right Angle
  

  
- Ratio: 50 to 1
  

  
- Ratio Range: 50-1
  

  
- 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-R
  

  
- 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-B821-50-R_dimensions](https://documents.mrosupply.com/product_documents/NH/NH8130001.00/B-NH.pdf)

## Product's reviews:
- Grove gear - ordered it got a week early was exact to the specs performed flawlessly
- Enginiering - got what I need it the first time. no hassle, friendly customer service, communication is excellent, I am happy with the delivery time.
- Gear box - excellent service, fast, easy, and customer service outstanding,
if any changes they call and let you know,
- Unbeatable - Best worm gearbox- best price. free shipping