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Worm
Grove Gear NH-B842-30-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
No. of Gear Reductions
Single
Center Distance (in)
4.25
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.
- No. of Gear Reductions
- Single
- Center Distance (in)
- 4.25
- M
- 3.47
- Output Torque Range
- 5000 to 10000 in lbs
- Mounting Style
- Base
- N
- 7.5
- Gear Type
- Worm
- Output Style
- D
- C
- 11.5
- K
- 3.75
- Ratio Range
- 30:1
- Input RPM
- 1,750
- U
- 1.25
- Max Thrust Load (Output Shaft)
- 2533
- Reducer
- Worm - Right Angle
- I
- 6.1
- G
- 1.88
- HP Range
- 5HP (< 7-1/2)
- H Tap Size
- 1/2 - 13 UNC
- Ratio
- 30:1
- Center Distance Range
- Above 3.25"
- L
- 9.57
- Input Keyway
- 1/4 X 2.50
- Assembly
- B-D
- Overhung Load
- 3,550
- Output Shaft Orientation
- LR
- Series Style
- NH-B-D
- H Depth
- 1
- O(asterisk)
- 3.59
- Input HP @ 1750 RPM
- 6.481
- Output RPM
- 58
- O
- 3.88
- Output Shaft Assembly Code
- D
- Input Diameter (in)
- 1.25
- Reducer Style
- Worm - Right Angle
- Output HP
- 5.517
- A
- 4.75
- Model Code
- B842
- J
- 7.5
- Product Line
- NH Series - Ironman Narrow Housing Worm Gear Reducers
- Input HP
- 6.481
- F
- 3.75
- Cd
- 4.25
- Product Type
- Right Angle
- T
- 1.75
- Service Factor
- 1
- Output Key
- 3/8 x 2.25
- Output Diameter (in)
- 1.750
- B
- 9.75
- D
- 4.5
- Input Style
- Solid Shaft
- Shaft Seal Material
- Viton
- Reduction
- Single
- Output Shaft Direction
- Double
- Housing Material
- Cast Iron
- Output Torque Rating (in-lb)
- 5960
- Output Shaft
- Solid Shaft
- Overhung Load Rating (Output Shaft(lb))
- 3,550
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Grove Gear
- Mfg. Catalog Numberi
- NH-B842-30-D
- Mfg. Part Numberi
- NH8420031.00
- GDS #i
- GDS-155430
- Categoryi
- Worm
- UPCi
- 690310079171
- Seriesi
- NH Series - Ironman Narrow Housing Worm Gear Reducers
- Series Codei
- NH
Common Questions
How do I get a price for the NH-B842-30-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-B842-30-D, manufacturer article number NH8420031.00. Its UPC is 690310079171.
