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Worm
Grove Gear NH-B821-7.5-D
Grove Gear NH Series - Ironman Narrow Housing Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer
Product Type
Right Angle
Series
NH Series - Ironman Narrow Housing Worm Gear Reducers
Center Distance (in)
2.06
Mounting Style
Base
Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.
Product Overview
- Rugged cast iron housings, covers, and flanges provide superior strength and rigidity.
- 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.
- O-rings on all bearing covers, eliminating gaskets, sealants and leaks.
- 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.
- 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.
- 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.
- Center Distance (in)
- 2.06
- Mounting Style
- Base
- B
- 4.5
- Service Factor
- 1
- Output Diameter (in)
- 0.875
- Model Code
- B821
- I
- 3.61
- Ratio
- 7.5:1
- Reducer
- Worm - Right Angle
- U
- 0.625
- Shaft Seal Material
- Viton
- Input Style
- Solid Shaft
- G
- 0.94
- O(asterisk)
- 2.45
- J
- 3.25
- Assembly
- B-D
- Cd
- 2.06
- Output Shaft Assembly Code
- D
- Output Torque Range
- 500 to 1000 in lbs
- Product Line
- NH Series - Ironman Narrow Housing Worm Gear Reducers
- Input RPM
- 1,750
- Overhung Load
- 1,035
- Output RPM
- 233
- Center Distance Range
- 1" thru 3.25"
- Output Key
- 3/16 X 1.50
- Ratio Range
- 7.5:1
- D
- 2.31
- Series Style
- NH-B-D
- L
- 4.82
- H Depth
- 0.63
- Max Thrust Load (Output Shaft)
- 811
- Reducer Style
- Worm - Right Angle
- No. of Gear Reductions
- Single
- Input HP
- 2.793
- M
- 1.76
- C
- 6
- N
- 4.34
- O
- 2.66
- Input Keyway
- 3/16 X 1.38
- A
- 2.5
- Product Type
- Right Angle
- Gear Type
- Worm
- HP Range
- 2HP (< 3)
- H Tap Size
- 5/16 - 18 UNC
- Output Style
- D
- Output Shaft Orientation
- LR
- Output HP
- 2.562
- Input Diameter (in)
- 0.625
- T
- 0.875
- F
- 1.88
- K
- 1.63
- Input HP @ 1750 RPM
- 2.793
- Reduction
- Single
- Output Shaft Direction
- Double
- Overhung Load Rating (Output Shaft(lb))
- 775
- Housing Material
- Cast Iron
- Output Shaft
- Solid Shaft
- Output Torque Rating (in-lb)
- 692
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Grove Gear
- Mfg. Catalog Numberi
- NH-B821-7.5-D
- Mfg. Part Numberi
- NH8210026.00
- GDS #i
- GDS-155267
- Categoryi
- Worm
- UPCi
- 690310061459
- Series Codei
- NH
- Seriesi
- NH Series - Ironman Narrow Housing Worm Gear Reducers
Common Questions
How do I get a price for the NH-B821-7.5-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 NH-B821-7.5-D, manufacturer article number NH8210026.00. Its UPC is 690310061459.
