# Grove Gear Leeson IronMan Interchange GRL-HM821-15-H1-56-16 GRL8210516.16 15:1 Single-Reduction Worm Gear Speed Reducer 2.06" Center Distance 56C Input Hollow Output Cast Iron - MROSupply.com

***Grove Gear GRL-HM821-15-H1-56-16 (catalog GRL8210516.16) Leeson IronMan Interchange single-reduction worm gear speed reducer with 15:1 ratio and 2.06" center distance. Cast iron housing encloses a motorized hollow output assembly with universal hand orientation. Input is 56C quill flange with 0.625" diameter; output bore is 1.000" diameter. Factory-filled with synthetic oil and 100% run-and-leak tested.***



## Product details:

- Catalog number: GRL8210516.16
- SKU: 1341810
- Price: ***$1,382.39*** 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: 31.000 lb
- UPC: 690310048795
- 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: 16
  

  
- Center Distance: 2.1 In.
  

  
- Center distance (in): 2.06
  

  
- 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): 0.625
  

  
- Input Flange: 56C
  

  
- Input HP: 1.887
  

  
- Input HP @ 1750 RPM: 1.887
  

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

  
- Input RPM: 1750
  

  
- Input Style: 3-Piece Coupled
  

  
- Keyway: 3/16 X 1.38
  

  
- Max OHL (Output Shaft): 1125
  

  
- Max Thrust Load (Output Shaft): 1099
  

  
- Model Code: HM821
  

  
- Motor Frame Size: 56C
  

  
- Motor HP Rating: 1.5
  

  
- Mounting Style: Shaft Mount
  

  
- No. of Gear Reductions: Single
  

  
- Output: Hollow
  

  
- Output Diameter (in): 1
  

  
- Output Hollow Shaft Diameter (in): 1.000
  

  
- Output HP: 1.661
  

  
- Output Key: 1/4 X 2.50
  

  
- Output RPM: 116
  

  
- Output Shaft Assembly Code: H1
  

  
- Output Shaft Orientation: H1
  

  
- Output Style: H1
  

  
- Output Torque: 897
  

  
- Output Torque Range: 500 to 1000 in lbs
  

  
- Output type: Hollow bore
  

  
- Overhung Load Rating (Output Shaft(lb)): 1125
  

  
- Paint/Coating: Blue
  

  
- Product Line: GR Series - Ironman Worm Gear Reducers
  

  
- Product Type: Right Angle
  

  
- Ratio: 15 to 1
  

  
- Ratio Range: 15-1
  

  
- Reducer: Worm - Right Angle
  

  
- Reducer Style: Worm - Right Angle
  

  
- Reducer Type: Single
  

  
- Series: GR Series - Ironman Worm Gear Reducers
  

  
- Series Code: GRL
  

  
- Series Style: GRL-HM-H1
  

  
- Series Type: Cast Iron 800 Worm Gear Reducers
  

  
- Service Factor: 1
  

  
- Shaft Seal Material: Viton
  

  
- Size: 56C
  

  
- Thrust Rating - output shaft: 1099
  
## Product documents / software:

- [Catalog](https://documents.mrosupply.com/product_documents/13/41/1341843/Grove_Gear_GRG821051216_Catalog_ZLOY8GL.pdf)
- [Instruction/Installation Manual](https://documents.mrosupply.com/product_documents/13/41/1341843/Grove_Gear_EL813001400_Manual_GZR8HGy.pdf)

## Product's reviews:
- Enginiering - got what I need it the first time. no hassle, friendly customer service, communication is excellent, I am happy with the delivery time.
- Gearbox gold - Great Gearbox, great price, free shipping!
- Grove gear - ordered it got a week early was exact to the specs performed flawlessly
- Coach - Timely delivery in an untimely world.