Grove Gear NH Series - Ironman Narrow Housing Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer - NH-BM821-15-R-56
Part #:NH8210052.00
Catalog #:NH-BM821-15-R-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
| L: | 4.82 in | G: | 0.94 |
| A: | 2.5 | BD: | 6.5 |
| BE: | 0.38 in | C: | 6 in |
| J: | 3.25 in | LM: | 7.07 |
| Center Distance (in): | 2.06 in | H-Tap size: | 5/16 - 18 UNC in |
| O: | 2.66 in | K: | 1.63 in |
| N: | 4.34 | B: | 4.5 |
| AJ: | 5.88 | BF: | 0.41 |
| AK: | 4.5 | I: | 3.61 in |
| TAP Depth: | 0.63 in | F: | 1.88 |
| U: | 0.625 in | D: | 2.31 |
| T: | 0.875 |
Technical Specifications
| Input Bore (C Face): | 0.625 | Frame Size: | 56C |
| Mounting Style: | Base | Input Keyway (C Face): | 3/16 x 3/32 |
| Reducer Style: | Worm - Right Angle | Center Distance (in): | 2.06 |
| Output Key: | 3/16 X 1.50 | Input Style: | Flexible Coupling Input |
| Shaft Seal Material: | Viton | Output Style: | R |
| Input Diameter (in): | 0.625 in | Assembly: | BM-R |
| Ratio Range: | 15:1 | Output Diameter (in): | 0.875 in |
| Gear Type: | Worm | Thrust Rating - output shaft: | 1099 |
| Output RPM: | 116 | No. of Gear Reductions: | Single |
| Service Factor: | 1 | Series: | NH Series - Ironman Narrow Housing Worm Gear Reducers |
| Ratio: | 15:1 | Input RPM: | 1,750 |
| Input HP @ 1750 RPM: | 1.887 | Overhung Load: | 1,125 |
| Series Code: | NH | Reducer: | Worm - Right Angle |
| Product Line: | NH Series - Ironman Narrow Housing Worm Gear Reducers | Product Type: | Right Angle |
| Model Code: | BM821 | Series Style: | NH-BM-R |
| Input Keyway: | 3/16 X 1.38 in | Input HP: | 1.887 |
| Motor Frame Size: | 56 | Output Shaft Assembly Code: | R |
| Output Shaft Orientation: | R | Output HP: | 1.661 |
| Reduction: | Single | Output Shaft Direction: | Right |
| Output Shaft: | Solid Shaft | Housing Material: | Cast Iron |
| Overhung Load Rating (Output Shaft(lb)): | 775 lb | Output Torque Rating (in-lb): | 897 in/lbs |
General Specifications
| UPC: | 690310061718 | Weight: | 26.00 LB |