Grove Gear NH Series - Ironman Narrow Housing Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer - NH-BM821-5-D-56
Part #:NH8210061.00
Catalog #:NH-BM821-5-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
| AJ: | 5.88 | I: | 3.61 in |
| O*: | 2.45 in | A: | 2.5 |
| C: | 6 in | J: | 3.25 in |
| U: | 0.625 in | BE: | 0.38 in |
| H-Tap size: | 5/16 - 18 UNC in | F: | 1.88 |
| D: | 2.31 | L: | 4.82 in |
| G: | 0.94 | T: | 0.875 |
| LM: | 7.07 | Center Distance (in): | 2.06 in |
| BD: | 6.5 | N: | 4.34 |
| BF: | 0.41 | K: | 1.63 in |
| B: | 4.5 | O: | 2.66 in |
| AK: | 4.5 | TAP Depth: | 0.63 in |
Technical Specifications
| Ratio: | 5:1 | Frame Size: | 56C |
| Output RPM: | 350 | Output Shaft Orientation: | LR |
| Input Diameter (in): | 0.625 in | Output Key: | 3/16 X 1.50 |
| Motor Frame Size: | 56 | Gear Type: | Worm |
| Input HP: | 3.653 | Product Type: | Right Angle |
| Overhung Load: | 1,000 | Input Keyway (C Face): | 3/16 x 3/32 |
| Output Shaft Assembly Code: | D | Output Diameter (in): | 0.875 in |
| Model Code: | BM821 | Output HP: | 3.41 |
| Service Factor: | 1 | Mounting Style: | Base |
| Assembly: | BM-D | Reducer Style: | Worm - Right Angle |
| Series: | NH Series - Ironman Narrow Housing Worm Gear Reducers | Center Distance (in): | 2.06 |
| Product Line: | NH Series - Ironman Narrow Housing Worm Gear Reducers | Ratio Range: | 5:1 |
| Input Bore (C Face): | 0.625 | Thrust Rating - output shaft: | 735 |
| No. of Gear Reductions: | Single | Input Keyway: | 3/16 X 1.38 in |
| Input Style: | Flexible Coupling Input | Reducer: | Worm - Right Angle |
| Series Code: | NH | Output Style: | D |
| Input HP @ 1750 RPM: | 3.653 | Series Style: | NH-BM-D |
| Input RPM: | 1,750 | Shaft Seal Material: | Viton |
| Reduction: | Single | Output Shaft Direction: | Double |
| Output Torque Rating (in-lb): | 614 in/lbs | Housing Material: | Cast Iron |
| Output Shaft: | Solid Shaft | Overhung Load Rating (Output Shaft(lb)): | 775 lb |
General Specifications
| UPC: | 690310061800 | Weight: | 26.00 LB |