Grove Gear NH Series - Ironman Narrow Housing Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer - NH-HM821-25-H1-56-23
Part #:NH8210518.23
Catalog #:NH-HM821-25-H1-56-23
KEY FEATURES
- 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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Product Specifications
Dimensions
| LM: | 7.07 | AE2: | 0.85 |
| I: | 3.61 in | D: | 2.31 |
| L: | 4.82 in | AB: | 3.69 |
| BE: | 0.38 in | AJ: | 5.88 |
| G: | 1.82 | AA: | 8 |
| AE1: | 0.3 | BF: | 0.41 |
| U: | 0.625 in | V: | 1.94 in |
| AG: | 4.65 | T: | 1.438 |
| Center Distance (in): | 2.06 in | H: | 0.53 in |
| LL: | 2.12 in | P: | 1.38 in |
| BD: | 6.5 | AF: | 0.19 |
| AK: | 4.5 | B: | 4.5 |
Technical Specifications
| Output RPM: | 70 | Shaft Seal Material: | Viton |
| Assembly: | HM-H1 | Series Style: | NH-HM-H1 |
| Input Diameter (in): | 0.625 in | Input Keyway (C Face): | 3/16 x 3/32 |
| Input RPM: | 1,750 | Input HP @ 1750 RPM: | 1.333 |
| Service Factor: | 1 | Output Style: | H1 |
| Series Code: | NH | Ratio: | 25:1 |
| Reducer Style: | Worm - Right Angle | Input HP: | 1.333 |
| Motor Frame Size: | 56C | Reducer: | Worm - Right Angle |
| Product Type: | Right Angle | No. of Gear Reductions: | Single |
| Ratio Range: | 25:1 | Output Key: | 3/8 X 3.00 |
| Output HP: | 1.094 | Thrust Rating - output shaft: | 1144 |
| Center Distance (in): | 2.06 | Input Bore (C Face): | 0.625 |
| Frame Size: | 56C | Output Diameter (in): | 1.438 in |
| Output Shaft Assembly Code: | H1 | Mounting Style: | Shaft Mount |
| Input Style: | Flexible Coupling Input | Gear Type: | Worm |
| Output Shaft Orientation: | H1 | Series: | NH Series - Ironman Narrow Housing Worm Gear Reducers |
| Model Code: | HM821 | Input Keyway: | 3/16 X1.38 in |
| Bore Code: | 23 | Product Line: | NH Series - Ironman Narrow Housing Worm Gear Reducers |
| Reduction: | Single | Output Shaft Direction: | H1 |
| Output Shaft: | Hollow Bore | Output Torque Rating (in-lb): | 985 in/lbs |
| Overhung Load Rating (Output Shaft(lb)): | 775 lb | Housing Material: | Cast Iron |
General Specifications
| UPC: | 690310063323 | Weight: | 26.00 LB |