# Grove Gear Flexaline GRG-B821-50-R GRG8210021.00 50:1 Worm Gear Speed Reducer 2.06" Center Distance Right-Hand Solid Output Cast Iron - MROSupply.com

***Grove Gear Flexaline GRG-B821-50-R (catalog GRG8210021.00) 50:1 ratio single-reduction worm gear speed reducer with 2.06" center distance, cast iron housing, right-hand solid output, 0.625" input diameter, and 1" output diameter. Flexaline series offers mounting interchangeability with legacy Flexaline units. Blue painted finish, Viton shaft seals, base mount, 0.769 input HP at 1750 RPM, 970 in-lb output torque, 1385 lb overhung load capacity.***



## Product details:

- Catalog number: GRG8210021.00
- SKU: 1339467
- Price: ***$767.20*** 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: 25.000 lb
- UPC: 690310036013
- 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
  

  
- Height (in): 10.50
  

  
- 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
  

  
- Keyway: 3/16 X 1.38
  

  
- Length (in): 10.69
  

  
- Max OHL (Output Shaft): 1385
  

  
- Max Thrust Load (Output Shaft): 1144
  

  
- Model Code: B821
  

  
- Mounting Style: Base
  

  
- No. of Gear Reductions: Single
  

  
- Output: Right
  

  
- Output Diameter (in): 1.000
  

  
- Output HP: 0.539
  

  
- Output Key: 1/4 X 1.44
  

  
- 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: GRG 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: GRG Series - Ironman Worm Gear Reducers
  

  
- Series Code: GRG
  

  
- Series Style: GRG-B-R
  

  
- Series Type: Cast Iron 800 Worm Gear Reducers
  

  
- Service Factor: 1
  

  
- Shaft Seal Material: Viton
  

  
- TAP Depth: 0.63
  

  
- Thrust Rating - output shaft: 1144
  

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

- [Catalog](https://documents.mrosupply.com/product_documents/13/39/1339488/Grove_Gear_GRG821003600_Catalog_2ps339z.pdf)
- [Drawing](https://documents.mrosupply.com/product_documents/13/39/1339467/GR-B_1.pdf)
- [GRG-B821-50-R_dimensions](https://documents.mrosupply.com/product_documents/GR/GR81005517.00/B-GR.pdf)
- [Instruction/Installation Manual](https://documents.mrosupply.com/product_documents/13/41/1341843/Grove_Gear_EL813001400_Manual_GZR8HGy.pdf)

## Product's reviews:
- Unbeatable - Best worm gearbox- best price. free shipping
- Gear box - excellent service, fast, easy, and customer service outstanding,
if any changes they call and let you know,
- 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.