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Worm
Grove Gear GRG-B821-10-D
Grove Gear GR Series - Ironman Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer
Product Type
Worm Speed Reducer
Series
GRG Series - Ironman Worm Gear Reducers
Output Key
1/4 X 1.44
J
4.75
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 Key
- 1/4 X 1.44
- J
- 4.75
- K
- 2.5
- Overhung Load
- 1,065
- F
- 3
- Output RPM
- 175
- O
- 2.29
- U
- 0.625
- I
- 3.61
- No. of Gear Reductions
- Single
- T
- 1
- Mounting Style
- Base
- G
- 1.44
- Input RPM
- 1,750
- Output Shaft Orientation
- LR
- O(asterisk)
- 2.08
- Output HP
- 2.235
- Input HP
- 2.464
- N
- 4.68
- D
- 2.28
- B
- 5.8
- Series Type
- Cast Iron 800 Worm Gear Reducers
- Series Style
- GRG-B-D
- Output Style
- D
- M
- 1.76
- Input Style
- Solid Shaft
- L
- 4.82
- Reducer Style
- Worm - Right Angle
- C
- 6.38
- Cd
- 2.06
- Output Shaft Assembly Code
- D
- H Tap Size
- 5/16-18 UNC
- Center Distance (in)
- 2.06
- H Depth
- 0.63
- Center Distance Range
- 1" thru 3.25"
- Input HP @ 1750 RPM
- 2.464
- Service Factor
- 1
- Max Thrust Load (Output Shaft)
- 898
- Input Diameter (in)
- 0.625
- Input Keyway
- 3/16 X 1.38
- Model Code
- B821
- A
- 3.81
- Reducer
- Worm - Right Angle
- Assembly
- B-D
- Shaft Seal Material
- Viton
- Gear Type
- Worm
- Product Type
- Worm Speed Reducer
- Ratio Range
- 10:1
- Ratio
- 10:1
- Output Diameter (in)
- 1
- Product Line
- GRG Series - Ironman Worm Gear Reducers
- Output Torque Range
- 500 to 1000 in lbs
- HP Range
- 2HP (< 3)
- Reduction
- Single
- Output Shaft Direction
- Double
- Output Shaft
- Solid Shaft
- Overhung Load Rating (Output Shaft(lb))
- 1,065
- Output Torque Rating (in-lb)
- 805
- Housing Material
- Cast Iron
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Grove Gear
- Mfg. Catalog Numberi
- GRG-B821-10-D
- Mfg. Part Numberi
- GRG8210027.00
- GDS #i
- GDS-152218
- Categoryi
- Worm
- UPCi
- 690310036075
- Series Codei
- GRG
- Seriesi
- GRG Series - Ironman Worm Gear Reducers
Common Questions
How do I get a price for the GRG-B821-10-D?
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-B821-10-D, manufacturer article number GRG8210027.00. Its UPC is 690310036075.
