# Grove Gear IronMan GR8520623.39 GR-HMQ852-10-H_-250-39 10:1 Worm Gear Speed Reducer 5.2" Center Distance 254-6TC Quill Input Hollow Output Cast Iron - MROSupply.com

***Grove Gear IronMan GR8520623.39 GR-HMQ852-10-H\_-250-39 10:1 ratio cast iron single-reduction worm gear speed reducer with 5.2" center distance. Features 254-6TC quill flange input and hollow output. Part of the IronMan series with one-piece CNC-machined housing, tapered roller bearings, and FKM double-lip seals.***



## Product details:

- Catalog number: GR8520623.39
- SKU: 1337615
- Call for Pricing - 888-671-2883
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Electra/Grove Gear](https://www.mrosupply.com/brands/electragrove-gear/)
- Category: 
    - [254-6TC 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/254-6tc-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: 247.000 lb
- 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: 39
  

  
- Center Distance: 5.2 In.
  

  
- Center Distance Range: Above 3.25"
  

  
- Gear Type: Worm
  

  
- Housing material: Cast Iron
  

  
- HP Range: 20 HP to (< 25)HP
  

  
- Input Bore (C Face): 1.625
  

  
- Input Flange: 254-6TC
  

  
- Input HP: 3.701
  

  
- Input Keyway (C Face): 3/8 X 3/16
  

  
- Input RPM: 100
  

  
- Input Style: Quill
  

  
- Model Code: HMQ852
  

  
- Motor Frame Size: 250
  

  
- No. of Gear Reductions: Single
  

  
- Output: Hollow
  

  
- Output Diameter (in): 2.438
  

  
- Output HP: 3.073
  

  
- Output Key: 5/8 X 4.00
  

  
- Output RPM: 10
  

  
- Output Shaft Direction: H1
  

  
- Output Torque (lb-in): 19367
  

  
- Output Torque Range: 5000 to 10000 in lbs
  

  
- Output Torque Rating (in-lb): 7827
  

  
- Overhung Load Rating (Output Shaft(lb)): 3370
  

  
- Paint/Coating: Blue
  

  
- Product Type: Right Angle
  

  
- Ratio: 10
  

  
- Ratio Range: 10:01
  

  
- Reducer: Worm - Right Angle
  

  
- Series: GR Series - Ironman Worm Gear Reducers
  

  
- Series Code: GR
  

  
- Service Factor: 1
  

  
- Shaft Seal Material: Viton
  

  
- Thrust Rating - output shaft: 2449
  
## Product documents / software:

- [GR-HMQ852-10-H-250-39_dimensions](https://documents.mrosupply.com/product_documents/GR/GR8130525.10/HMQ-GR.pdf)

## Product's reviews:
- Gearbox gold - Great Gearbox, great price, free shipping!
- Unbeatable - Best worm gearbox- best 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.
- Enginiering - got what I need it the first time. no hassle, friendly customer service, communication is excellent, I am happy with the delivery time.