Grove Gear Cast Iron Single-Reduction Worm Reducer - NH-H821-7.5-H1-20

Catalog #:NH-H821-7.5-H1-20
Part #:NH8210502.20
  • 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.
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General Specifications

UPC: 69031006286 Weight: 22.00 LB

Technical Specifications

Output Hollow Shaft Diameter (in): 1.250 in Gear Type: Worm
No. of Gear Reductions: Single Center Distance Range: 1" thru 3.25"
Output shaft: Hollow Bore Input Diameter (in): 0.625 in
Input RPM: 1,750 Ratio: 7.5:1
Series: NH Series - Ironman Narrow Housing Worm Gear Reducers Output HP: 2.562
Mounting Style: Shaft Mount Service Factor: 1
Assembly: H-H1 Bore Code: 20
Shaft Seal Material: Viton Input Keyway: 3/16 X 1.38
Output RPM: 233 Series Style: NH-H-H1
HP Range: 2HP (< 3) Input Style: Shaft
Model Code: H821 Reducer Style: Worm - Right Angle
Output Torque Range: 500 to 1000 in lbs Center distance (inch): 2.06
Overhung Load: 1,035 Gear Drive Reductions: Single
Product Line: NH Series - Ironman Narrow Housing Worm Gear Reducers Product Type: Right Angle
Output Key: 1/4 X 2.50 Ratio Range: 7.5:1
Output Torque: 692 Housing material: Cast Iron
Output Shaft Orientation: H1 Output Shaft Assembly Code: H1
Output Style: H1 Input HP: 2.793
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