Grove Gear NH Series - Ironman Narrow Housing Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer - NH-BM821-15-D-56
Part #:NH8210064.00
Catalog #:NH-BM821-15-D-56
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
| Center Distance (in): | 2.06 in | O*: | 2.45 in |
| N: | 4.34 | C: | 6 in |
| BD: | 6.5 | BE: | 0.38 in |
| L: | 4.82 in | AK: | 4.5 |
| AJ: | 5.88 | G: | 0.94 |
| A: | 2.5 | LM: | 7.07 |
| U: | 0.625 in | BF: | 0.41 |
| K: | 1.63 in | B: | 4.5 |
| J: | 3.25 in | I: | 3.61 in |
| H-Tap size: | 5/16 - 18 UNC in | F: | 1.88 |
| T: | 0.875 | O: | 2.66 in |
| TAP Depth: | 0.63 in | D: | 2.31 |
Technical Specifications
| Center Distance (in): | 2.06 | Thrust Rating - output shaft: | 1099 |
| Input Bore (C Face): | 0.625 | Product Type: | Right Angle |
| Output Style: | D | Output Diameter (in): | 0.875 in |
| No. of Gear Reductions: | Single | Input Style: | Flexible Coupling Input |
| Overhung Load: | 1,125 | Input Diameter (in): | 0.625 in |
| Mounting Style: | Base | Gear Type: | Worm |
| Assembly: | BM-D | Input Keyway: | 3/16 X 1.38 in |
| Series Code: | NH | Reducer: | Worm - Right Angle |
| Model Code: | BM821 | Series: | NH Series - Ironman Narrow Housing Worm Gear Reducers |
| Shaft Seal Material: | Viton | Motor Frame Size: | 56 |
| Ratio: | 15:1 | Output RPM: | 116 |
| Output Shaft Assembly Code: | D | Input HP @ 1750 RPM: | 1.887 |
| Reducer Style: | Worm - Right Angle | Input RPM: | 1,750 |
| Service Factor: | 1 | Ratio Range: | 15:1 |
| Input Keyway (C Face): | 3/16 x 3/32 | Output Key: | 3/16 X 1.50 |
| Product Line: | NH Series - Ironman Narrow Housing Worm Gear Reducers | Input HP: | 1.887 |
| Series Style: | NH-BM-D | Output HP: | 1.661 |
| Frame Size: | 56C | Output Shaft Orientation: | LR |
| Reduction: | Single | Output Shaft Direction: | Double |
| Output Shaft: | Solid Shaft | Overhung Load Rating (Output Shaft(lb)): | 775 lb |
| Housing Material: | Cast Iron | Output Torque Rating (in-lb): | 897 in/lbs |
General Specifications
| UPC: | 690310061831 | Weight: | 26.00 LB |

