Grove Gear GR Series - Ironman Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer - GR-BM818-40-D-56
Part #:GR8180068.00
Catalog #:GR-BM818-40-D-56
KEY FEATURES
- One-piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment.
- 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.
- 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.
- 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.
- 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.
- Mounting dimensions are interchangeable with most industry standard reducers.
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Product Specifications
Dimensions
| TAP Depth: | 0.63 in | J: | 4.19 in |
| AK: | 4.5 | N: | 4.31 |
| G: | 1.38 | O: | 2.05 in |
| H-Tap size: | 5/16-18 UNC in | A: | 3.56 |
| T: | 0.875 | AJ: | 5.88 |
| LM: | 6.7 | BE: | 0.38 in |
| D: | 2.06 | Center Distance (in): | 1.75 in |
| O*: | 1.84 in | U: | 0.625 in |
| B: | 5.06 | C: | 5.75 in |
| BD: | 6.5 | L: | 4.45 in |
| BF: | 0.41 | K: | 2.09 in |
| I: | 3.24 in | F: | 2.75 |
Technical Specifications
| Output Shaft Orientation: | LR | Output Style: | D |
| Output Diameter (in): | 0.875 in | Product Line: | GR Series - Ironman Worm Gear Reducers |
| Frame Size: | 56C | Input HP: | 0.609 |
| Shaft Seal Material: | Viton | Overhung Load: | 1,200 |
| Input Keyway: | 3/16 X 1.38 in | Series Code: | GR |
| Input Bore (C Face): | 0.625 | Center Distance (in): | 1.75 |
| Assembly: | BM-D | Product Type: | Worm Speed Reducer |
| Model Code: | BM818 | Gear Type: | Worm |
| Output RPM: | 43 | Mounting Style: | Base |
| Reducer Style: | Worm - Right Angle | Output HP: | 0.44 |
| No. of Gear Reductions: | Single | Input HP @ 1750 RPM: | 0.609 |
| Motor Frame Size: | 56C | Thrust Rating - output shaft: | 1144 |
| Ratio Range: | 40:1 | Series: | GR Series - Ironman Worm Gear Reducers |
| Input Style: | Flexible Coupling Input | Ratio: | 40:1 |
| Service Factor: | 1 | Series Style: | GR-BM-D |
| Input Keyway (C Face): | 3/16 x 3/32 | Output Key: | 3/16 X 1.38 |
| Input RPM: | 1,750 | Input Diameter (in): | 0.625 in |
| Output Shaft Assembly Code: | D | Reducer: | Worm - Right Angle |
| Reduction: | Single | Output Shaft Direction: | Double |
| Housing Material: | Cast Iron | Output Shaft: | Solid Shaft |
| Overhung Load Rating (Output Shaft(lb)): | 1,200 lb | Output Torque Rating (in-lb): | 634 in/lbs |
General Specifications
| UPC: | 690310007266 | Weight: | 26.00 LB |

