# Grove Gear IronMan GR-HM824-50-H1-56-20 GR8240521.20 50:1 Single-Reduction Worm Gear Speed Reducer 2.38" Center Distance 56C Input Hollow Output Cast Iron - MROSupply.com

***Grove Gear IronMan GR-HM824-50-H1-56-20 GR8240521.20 50:1 ratio right angle cast iron single-reduction worm gear speed reducer with 2.38" center distance. Features 56C motorized flexible coupling input with 0.75" input diameter and universal hand hollow output with 1.250" output bore diameter.***



## Product details:

- Catalog number: GR8240521.20
- SKU: 1330153
- Price: ***$1,676.35*** 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: 
    - [56C Input Flange 3-Piece Coupled](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/3-piece-coupled-input-worm-gear-reducers/3-piece-coupled-input-hollow-bore-output-worm-gear/56c-input-flange-3-piece-coupled/)
    - [3-Piece Coupled Input Hollow Bore Output Worm Gear](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/3-piece-coupled-input-worm-gear-reducers/3-piece-coupled-input-hollow-bore-output-worm-gear/)
    - [3-Piece Coupled Input Worm Gear Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/3-piece-coupled-input-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: 49.000 lb
- UPC: 690310013014
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Assembly: HM-H1
  

  
- Bore Code: 20
  

  
- Center Distance: 2.4 In.
  

  
- Center distance (in): 2.38
  

  
- Center Distance Range: 1" thru 3.25"
  

  
- Gear Drive Reductions: Single
  

  
- Gear Type: Worm
  

  
- Housing material: Cast iron
  

  
- HP Range: 1 to 1-1/2 HP (< 2)HP
  

  
- Input Bore (C Face): 0.625
  

  
- Input Diameter (in): 0.75
  

  
- Input Flange: 56C
  

  
- Input HP: 0.224
  

  
- Input HP @ 1750 RPM: 1.137
  

  
- Input Keyway (C Face): 3/16 x 3/32
  

  
- Input RPM: 100
  

  
- Input Style: 3-Piece Coupled
  

  
- Keyway: 3/16 X 1.63
  

  
- Max OHL (Output Shaft): 1770
  

  
- Max Thrust Load (Output Shaft): 2091
  

  
- Model Code: HM824
  

  
- Motor Frame Size: 56
  

  
- Mounting Style: Shaft Mount
  

  
- No. of Gear Reductions: Single
  

  
- Output: Hollow
  

  
- Output Diameter (in): 1.250
  

  
- Output Hollow Shaft Diameter (in): 1.250
  

  
- Output HP: 0.795
  

  
- Output Key: 1/4 X 2.50
  

  
- Output RPM: 35
  

  
- Output Shaft Assembly Code: H1
  

  
- Output Shaft Direction: H1
  

  
- Output Shaft Orientation: H1
  

  
- Output Style: H1
  

  
- Output Torque: 1432
  

  
- Output Torque (lb-in): 2163
  

  
- Output Torque Range: 1000 to 2500 in lbs
  

  
- Output type: Hollow bore
  

  
- Overhung Load Rating (Output Shaft(lb)): 1770
  

  
- Paint/Coating: Blue
  

  
- Product Line: GR Series - Ironman 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: GR Series - Ironman Worm Gear Reducers
  

  
- Series Code: GR
  

  
- Series Style: GR-HM-H1
  

  
- Service Factor: 1
  

  
- Shaft Seal Material: Viton
  

  
- Size: 56C
  

  
- Thrust Rating - output shaft: 2091
  
## Product documents / software:

- [Catalog](https://documents.mrosupply.com/product_documents/13/30/1330386/Grove_Gear_GR824051216_Catalog_BhmEyt7.pdf)
- [GR-HM824-50-H-56-20_dimensions](https://documents.mrosupply.com/product_documents/GR/GR8130513.10/HM-GR.pdf)
- [Instruction/Installation Manual](https://documents.mrosupply.com/product_documents/13/41/1341843/Grove_Gear_EL813001400_Manual_GZR8HGy.pdf)

## Product's reviews:
- Gearbox gold - Great Gearbox, great price, free shipping!
- 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.
- Coach - Timely delivery in an untimely world.
- Unbeatable - Best worm gearbox- best price. free shipping