Grove Gear NH Series - Ironman Narrow Housing Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer - NH-BM821-50-D-140
Part #:NH8210105.00
Catalog #:NH-BM821-50-D-140
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.
How can we improve our Product Information?
Talk to one of our expert sales professionals about how this brand can efficiently power your business.
Product Specifications
Dimensions
| O: | 2.66 in | N: | 4.34 |
| F: | 1.88 | J: | 3.25 in |
| U: | 0.625 in | BE: | 0.38 in |
| I: | 3.61 in | AJ: | 5.88 |
| BD: | 6.5 | G: | 0.94 |
| K: | 1.63 in | B: | 4.5 |
| D: | 2.31 | TAP Depth: | 0.63 in |
| Center Distance (in): | 2.06 in | L: | 4.82 in |
| LM: | 7.07 | T: | 0.875 |
| O*: | 2.45 in | A: | 2.5 |
| H-Tap size: | 5/16 - 18 UNC in | BF: | 0.41 |
| AK: | 4.5 | C: | 6 in |
Technical Specifications
| Thrust Rating - output shaft: | 1144 | Mounting Style: | Base |
| Assembly: | BM-D | Gear Type: | Worm |
| Input RPM: | 1,750 | Series Code: | NH |
| Series: | NH Series - Ironman Narrow Housing Worm Gear Reducers | No. of Gear Reductions: | Single |
| Output Shaft Orientation: | LR | Input Style: | Flexible Coupling Input |
| Service Factor: | 1 | Input Diameter (in): | 0.625 in |
| Reducer: | Worm - Right Angle | Input HP @ 1750 RPM: | 0.769 |
| Input Keyway: | 3/16 X 1.38 in | Series Style: | NH-BM-D |
| Input Keyway (C Face): | 3/16 x 3/32 | Model Code: | BM821 |
| Product Type: | Right Angle | Motor Frame Size: | 140 |
| Input HP: | 0.769 | Reducer Style: | Worm - Right Angle |
| Overhung Load: | 1,385 | Input Bore (C Face): | 0.875 |
| Shaft Seal Material: | Viton | Output HP: | 0.539 |
| Ratio: | 50:1 | Output Key: | 3/16 X 1.50 |
| Product Line: | NH Series - Ironman Narrow Housing Worm Gear Reducers | Output Style: | D |
| Ratio Range: | 50:1 | Center Distance (in): | 2.06 |
| Frame Size: | 140TC | Output RPM: | 35 |
| Output Shaft Assembly Code: | D | Output Diameter (in): | 0.875 in |
| Reduction: | Single | Output Shaft Direction: | Double |
| Output Shaft: | Solid Shaft | Housing Material: | Cast Iron |
| Overhung Load Rating (Output Shaft(lb)): | 775 lb | Output Torque Rating (in-lb): | 970 in/lbs |
General Specifications
| UPC: | 690310062111 | Weight: | 26.00 LB |