Worm
Grove Gear GRL-B821-50-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
Mounting Style
Base
Max Thrust Load (Output Shaft)
1144
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.
- Mounting Style
- Base
- Max Thrust Load (Output Shaft)
- 1144
- Output Key
- 1/4 X 1.44
- Reducer
- Worm - Right Angle
- A
- 3.81
- L
- 4.82
- O
- 2.29
- Input HP @ 1750 RPM
- 0.769
- No. of Gear Reductions
- Single
- Center Distance Range
- 1" thru 3.25"
- H Tap Size
- 5/16-18 UNC
- Assembly
- B-D
- B
- 5.8
- Series Style
- GRL-B-D
- H Depth
- 0.63
- HP Range
- 1/2 to 3/4 HP (< 1)
- D
- 2.28
- Service Factor
- 1
- Product Type
- Worm Speed Reducer
- T
- 1
- Output Torque Range
- 500 to 1000 in lbs
- J
- 5
- O(asterisk)
- 2.08
- Reducer Style
- Worm - Right Angle
- Output Style
- D
- Input Style
- Solid Shaft
- N
- 4.68
- Overhung Load
- 1,385
- Product Line
- GRL Series - Ironman Worm Gear Reducers
- Output RPM
- 35
- Output HP
- 0.539
- F
- 2.88
- C
- 6.38
- U
- 0.625
- Input Diameter (in)
- 0.625
- Input Keyway
- 3/16 X 1.38
- Output Shaft Assembly Code
- D
- Output Shaft Orientation
- LR
- Ratio
- 50:1
- K
- 2.5
- Ratio Range
- 50:1
- Cd
- 2.06
- Output Diameter (in)
- 1.000
- M
- 1.76
- Shaft Seal Material
- Viton
- G
- 1.44
- Input RPM
- 1,750
- Input HP
- 0.769
- Model Code
- B821
- Center Distance (in)
- 2.06
- I
- 3.61
- Gear Type
- Worm
- Reduction
- Single
- Output Shaft Direction
- Double
- Overhung Load Rating (Output Shaft(lb))
- 1,385
- Output Shaft
- Solid Shaft
- Output Torque Rating (in-lb)
- 970
- Housing Material
- Cast Iron
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Grove Gear
- Mfg. Catalog Numberi
- GRL-B821-50-D
- Mfg. Part Numberi
- GRL8210033.00
- GDS #i
- GDS-153881
- Categoryi
- Worm
- UPCi
- 690310047071
- Series Codei
- GRL
- Seriesi
- GRL Series - Ironman Worm Gear Reducers
Common Questions
How do I get a price for the GRL-B821-50-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-B821-50-D, manufacturer article number GRL8210033.00. Its UPC is 690310047071.
