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Worm
Grove Gear GRG-HM821-50-H1-56-20
Grove Gear GR Series - Ironman Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer
Product Type
Right Angle
Series
GR Series - Ironman Worm Gear Reducers
Motor Frame Size
56
Output Shaft Assembly Code
H1
Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.
Product Overview
- One-piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment.
- Factory-filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant.
- Large oil capacity provides positive splash lubrication and superior cooling capability.
- Viton® double lip seals provide extended life through increased resistance to high temperature, abrasion and chemicals.
- The unique quill seal guard protects the input seal from damage during motor installation.
- Bronze worm gear chill cast from high quality bronze for maximum strength, lubricity and superior life.
- Oversized high-speed bearings, positively retained for frequent reversing and start/stop cycles.Tapered roller bearings on output shaft for high overhung and thrust load capacities.
- All units are 100% run and leak tested at the factory to insure that you receive the highest quality product.
- Ultimate application flexibility with all-angle mounting provisions, the widest selection of accessory bases and flanges and the largest selection of stock reducer styles.
- Mounting dimensions are interchangeable with most industry standard reducers.
- Output Shaft Assembly Code
- H1
- J
- 4.75
- R
- 0.75
- V
- 1.94
- C
- 6.38
- Output Style
- H1
- Output RPM
- 35
- Series Style
- GRG-HM-H1
- BF
- 0.41
- Frame Size
- 56C
- H
- 0.53
- Output Shaft Orientation
- H1
- Output HP
- 0.539
- Input RPM
- 1,750
- Series Type
- Cast Iron 800 Worm Gear Reducers
- I
- 3.61
- D
- 2.28
- Output Key
- 1/4 X 2.50
- U
- 0.625
- G
- 1.44
- B
- 5.8
- LM
- 7.07
- Input HP
- 0.769
- Cd
- 2.06
- AD
- 4.99
- Input Style
- Flexible Coupling Input
- AE2
- 0.4
- AB
- 5.43
- AG
- 6
- Reducer Style
- Worm - Right Angle
- L
- 4.82
- BE
- 0.38
- BD
- 6.5
- Mounting Style
- Shaft Mount
- AF
- 0.75
- AE1
- 0.61
- AA
- 7.24
- AK
- 4.5
- F
- 3
- M
- 1.76
- AJ
- 5.88
- Input HP @ 1750 RPM
- 0.769
- Assembly
- HM-H1
- Motor Frame Size
- 56
- Center Distance (in)
- 2.06
- Motor HP Rating
- 0.75
- Reducer
- Worm - Right Angle
- Product Line
- GR Series - Ironman Worm Gear Reducers
- Max Thrust Load (Output Shaft)
- 1144
- Output Diameter (in)
- 1.25
- Ratio Range
- 50:1
- Input Keyway
- 3/16 X 1.38
- Model Code
- HM821
- Input Bore (C Face)
- 0.625
- Ratio
- 50:1
- Gear Type
- Worm
- Product Type
- Right Angle
- Input Keyway (C Face)
- 3/16 x 3/32
- No. of Gear Reductions
- Single
- Input Diameter (in)
- 0.625
- Service Factor
- 1
- Shaft Seal Material
- Viton
- T
- 1.25
- Center Distance Range
- 1" thru 3.25"
- HP Range
- 1/2HP to 3/4 HP (< 1)HP
- Output Torque Range
- 500 to 1000 in lbs
- Reduction
- Single
- Output Shaft Direction
- H1
- Output Shaft
- Hollow Bore
- Output Torque Rating (in-lb)
- 970
- Overhung Load Rating (Output Shaft(lb))
- 1,385
- Housing Material
- Cast Iron
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Grove Gear
- Mfg. Catalog Numberi
- GRG-HM821-50-H1-56-20
- Mfg. Part Numberi
- GRG8210521.20
- GDS #i
- GDS-153285
- Categoryi
- Worm
- UPCi
- 690310038192
- Bore Codei
- 20
- Series Codei
- GRG
- Seriesi
- GR Series - Ironman Worm Gear Reducers
Common Questions
How do I get a price for the GRG-HM821-50-H1-56-20?
This part is quoted individually. Request a quote from this page and our sales team will respond with current pricing and availability.
Is this a genuine Grove Gear part?
Yes. GDS Supply supplies the genuine Grove Gear GRG-HM821-50-H1-56-20, manufacturer article number GRG8210521.20. Its UPC is 690310038192.
