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Worm
Grove Gear NH-BM842-20-R-250
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
Motor Frame Size
250
J
7.5
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.
- J
- 7.5
- O
- 3.88
- L
- 9.57
- Motor Frame Size
- 250
- U
- 1.25
- Product Line
- NH Series - Ironman Narrow Housing Worm Gear Reducers
- Service Factor
- 1
- Frame Size
- 250TC
- Mounting Style
- Base
- Shaft Seal Material
- Viton
- F
- 3.75
- Input RPM
- 1,750
- L1
- 13.46
- H Tap Size
- 1/2 - 13 UNC
- Output HP
- 8.458
- Max Thrust Load (Output Shaft)
- 2533
- Input HP
- 9.462
- Gear Type
- Worm
- A
- 4.75
- Reducer
- Worm - Right Angle
- Output Torque Range
- 5000 to 10000 in lbs
- AJ
- 7.25
- C
- 11.5
- I
- 6.1
- G
- 1.88
- T
- 1.75
- Output RPM
- 87
- Ratio Range
- 20:1
- Center Distance (in)
- 4.25
- N
- 7.5
- Input Bore (C Face)
- 1.625
- Model Code
- BM842
- Overhung Load
- 3,320
- Center Distance Range
- Above 3.25"
- Assembly
- BM-R
- Cd
- 4.25
- Input HP @ 1750 RPM
- 9.462
- Reducer Style
- Worm - Right Angle
- No. of Gear Reductions
- Single
- AK
- 8.5
- D
- 4.5
- Output Style
- R
- H Depth
- 1
- K
- 3.75
- Input Style
- Flexible Coupling Input
- BE1
- 0.5
- BF
- 0.53
- B
- 9.75
- Output Key
- 3/8 x 2.25
- Product Type
- Right Angle
- Output Shaft Assembly Code
- R
- Input Keyway
- 1/4 X 2.50
- BD
- 9
- Input Diameter (in)
- 1.25
- HP Range
- 7-1/2 (< 10)
- Ratio
- 20:1
- Series Style
- NH-BM-R
- Output Diameter (in)
- 1.750
- Output Shaft Orientation
- R
- Reduction
- Single
- Output Shaft Direction
- Right
- Output Torque Rating (in-lb)
- 6092
- Output Shaft
- Solid Shaft
- Overhung Load Rating (Output Shaft(lb))
- 3,320
- Housing Material
- Cast Iron
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Grove Gear
- Mfg. Catalog Numberi
- NH-BM842-20-R-250
- Mfg. Part Numberi
- NH8420197.00
- GDS #i
- GDS-155904
- Categoryi
- Worm
- UPCi
- 690310079775
- Seriesi
- NH Series - Ironman Narrow Housing Worm Gear Reducers
- Series Codei
- NH
Common Questions
How do I get a price for the NH-BM842-20-R-250?
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-BM842-20-R-250, manufacturer article number NH8420197.00. Its UPC is 690310079775.
