Worm
Grove Gear GRL-B821-20-D
Grove Gear GR Series - Ironman Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer
Product Type
Worm Speed Reducer
Series
GRL Series - Ironman Worm Gear Reducers
Max Thrust Load (Output Shaft)
1144
Input Style
Solid Shaft
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.
- Max Thrust Load (Output Shaft)
- 1144
- Input Style
- Solid Shaft
- K
- 2.5
- Output Shaft Orientation
- LR
- Service Factor
- 1
- Shaft Seal Material
- Viton
- C
- 6.38
- Model Code
- B821
- Ratio
- 20:1
- B
- 5.8
- H Tap Size
- 5/16-18 UNC
- Output Key
- 1/4 X 1.44
- Output Shaft Assembly Code
- D
- Product Line
- GRL Series - Ironman Worm Gear Reducers
- A
- 3.81
- Output Torque Range
- 500 to 1000 in lbs
- Input Keyway
- 3/16 X 1.38
- Output HP
- 1.338
- Output RPM
- 87
- Output Style
- D
- No. of Gear Reductions
- Single
- Cd
- 2.06
- Assembly
- B-D
- Ratio Range
- 20:1
- Input HP @ 1750 RPM
- 1.584
- J
- 5
- O(asterisk)
- 2.08
- I
- 3.61
- Center Distance Range
- 1" thru 3.25"
- Reducer Style
- Worm - Right Angle
- D
- 2.28
- F
- 2.88
- Product Type
- Worm Speed Reducer
- Input RPM
- 1,750
- O
- 2.29
- U
- 0.625
- Input HP
- 1.584
- Series Style
- GRL-B-D
- Input Diameter (in)
- 0.625
- T
- 1
- Output Diameter (in)
- 1.000
- Center Distance (in)
- 2.06
- HP Range
- 1 to 1-1/2 (< 2)
- M
- 1.76
- H Depth
- 0.63
- L
- 4.82
- Gear Type
- Worm
- Overhung Load
- 1,175
- N
- 4.68
- Mounting Style
- Base
- G
- 1.44
- Reducer
- Worm - Right Angle
- Reduction
- Single
- Output Shaft Direction
- Double
- Overhung Load Rating (Output Shaft(lb))
- 1,175
- Output Torque Rating (in-lb)
- 964
- Output Shaft
- Solid Shaft
- Housing Material
- Cast Iron
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Grove Gear
- Mfg. Catalog Numberi
- GRL-B821-20-D
- Mfg. Part Numberi
- GRL8210029.00
- GDS #i
- GDS-153866
- Categoryi
- Worm
- UPCi
- 690310047033
- Seriesi
- GRL Series - Ironman Worm Gear Reducers
- Series Codei
- GRL
Common Questions
How do I get a price for the GRL-B821-20-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 GRL-B821-20-D, manufacturer article number GRL8210029.00. Its UPC is 690310047033.
