# Grove Gear Flexaline GRG-HMQ821-20-H1-56-23 GRG8210541.23 20:1 Worm Gear Speed Reducer 2.06" Center Distance 56C Quill Input Hollow Output Cast Iron - MROSupply.com

***Grove Gear Flexaline GRG-HMQ821-20-H1-56-23 (catalog GRG8210541.23) 20:1 ratio single-reduction worm gear speed reducer with 2.06" center distance, cast iron housing, 56C quill flange input, and universal hand hollow output with 1-7/16" bore. Interchangeable with legacy Flexaline mounting dimensions.***



## Product details:

- Catalog number: GRG8210541.23
- SKU: 1339910
- Price: ***$1,150.95*** 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](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/quill-input-worm-gear-reducers/quill-input-hollow-bore-output-worm-gear-reducers/56c-input-flange/)
    - [Quill Input Hollow Bore Output Worm Gear Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/quill-input-worm-gear-reducers/quill-input-hollow-bore-output-worm-gear-reducers/)
    - [Quill Input Worm Gear Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/quill-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: 30.000 lb
- UPC: 690310038710
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Assembly: HMQ-H1
  

  
- Bore Code: 23
  

  
- Center Distance: 2.1 In.
  

  
- Center distance (in): 2.06
  

  
- Center Distance Range: 1" thru 3.25"
  

  
- Gear Drive Reductions: Single
  

  
- Gear Type: Worm
  

  
- Height (in): 10.50
  

  
- Housing material: Cast iron
  

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

  
- Input Bore (C Face): 0.625
  

  
- Input Diameter (in): 0.625
  

  
- Input Flange: 56C
  

  
- Input HP: 1.584
  

  
- Input RPM: 1750
  

  
- Input Style: Quill
  

  
- Keyway: 3/16 X 3/32
  

  
- Length (in): 10.69
  

  
- Model Code: HMQ821
  

  
- Motor Frame Size: 56C
  

  
- Motor HP Rating: 1.5
  

  
- Mounting Style: Shaft Mount
  

  
- No. of Gear Reductions: Single
  

  
- Output: Hollow
  

  
- Output Diameter (in): 1.438
  

  
- Output Hollow Shaft Diameter (in): 1.438
  

  
- Output HP: 1.338
  

  
- Output Key: 3/8 x 3.00
  

  
- Output RPM: 87
  

  
- Output Shaft Assembly Code: H1
  

  
- Output Shaft Orientation: H1
  

  
- Output Style: H1
  

  
- Output Torque: 964
  

  
- Output Torque Range: 500 to 1000 in lbs
  

  
- Output type: Hollow bore
  

  
- Overhung Load Rating (Output Shaft(lb)): 1175
  

  
- Paint/Coating: Blue
  

  
- Product Line: GR Series - Ironman Worm Gear Reducers
  

  
- Product Type: Right Angle
  

  
- Ratio: 20 to 1
  

  
- Ratio Range: 20-1
  

  
- Reducer: Worm - Right Angle
  

  
- Reducer Style: Worm - Right Angle
  

  
- Reducer Type: Single
  

  
- Series: GR Series - Ironman Worm Gear Reducers
  

  
- Series Code: GRG
  

  
- Series Style: GRG-HMQ-H1
  

  
- Series Type: Cast Iron 800 Worm Gear Reducers
  

  
- Service Factor: 1
  

  
- Shaft Seal Material: Viton
  

  
- Size: 56C
  

  
- Thrust Rating - output shaft: 1144
  

  
- Width (in): 9.06
  
## Product documents / software:

- [Catalog](https://documents.mrosupply.com/product_documents/13/41/1341843/Grove_Gear_GRG821051216_Catalog_ZLOY8GL.pdf)
- [GRG-HMQ821-20-H-56-23_dimensions](https://documents.mrosupply.com/product_documents/GR/GR8130525.10/HMQ-GR.pdf)
- [Instruction/Installation Manual](https://documents.mrosupply.com/product_documents/13/41/1341843/Grove_Gear_EL813001400_Manual_GZR8HGy.pdf)
## Alternate products to `Grove Gear Flexaline GRG-HMQ821-20-H1-56-23 GRG8210541.23 20:1 Worm Gear Speed Reducer 2.06" Center Distance 56C Quill Input Hollow Output Cast Iron - MROSupply.com`:
- [Dodge 23Q20L56 TIGEAR-2 worm gear speed reducer, 20:1 ratio, quill input, left side solid output shaft 1.25" diameter, 56C frame, 2.3" center distance. Cast iron housing, 2 HP input rating, 88 rpm maximum output speed, green paint finish.](https://www.mrosupply.com/products/141957/as-markdown/)

## Product's reviews:
- Right on - Took a bit to ship but after it shipped I got it fast. Right product.
- Grove gear - ordered it got a week early was exact to the specs performed flawlessly
- Coach - Timely delivery in an untimely world.
- Gear box - excellent service, fast, easy, and customer service outstanding,
if any changes they call and let you know,