Grove Gear GR Series - Ironman Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer - GRG-BM821-50-D-56
Part #:GRG8210069.00
Catalog #:GRG-BM821-50-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.
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
| Center Distance (in): | 2.06 in | BE: | 0.38 in |
| C: | 6.38 in | D: | 2.28 |
| BD: | 6.5 | AK: | 4.5 |
| G: | 1.44 | O: | 2.29 in |
| J: | 4.75 in | U: | 0.625 in |
| BF: | 0.41 | LM: | 7.07 |
| I: | 3.61 in | B: | 5.8 |
| T: | 1 | N: | 4.68 |
| L: | 4.82 in | O*: | 2.08 in |
| AJ: | 5.88 | F: | 3 |
| K: | 2.5 in | H-Tap size: | 5/16-18 UNC in |
| A: | 3.81 | TAP Depth: | 0.63 in |
| O*: | 2.08 |
Technical Specifications
| Input RPM: | 1,750 | Reducer Style: | Worm - Right Angle |
| No. of Gear Reductions: | Single | Output HP: | 0.539 |
| Output Shaft Orientation: | LR | Frame Size: | 56C |
| Output Shaft Assembly Code: | D | Output Key: | 1/4 X 1.44 |
| Series Code: | GRG | Output RPM: | 35 |
| Series Style: | GRG-BM-D | Series Type: | Cast Iron 800 Worm Gear Reducers |
| Mounting Style: | No Base | Keyway: | 3/16 X 3/32 |
| Output Style: | D | Input Style: | Flexible Coupling Input |
| Overhung Load: | 1,385 | Input HP: | 0.769 |
| Motor Frame Size: | 56C | Service Factor: | 1 |
| Shaft Seal Material: | Viton | Thrust Rating - output shaft: | 1144 |
| Product Line: | GRG Series - Ironman Worm Gear Reducers | Input Diameter (in): | 0.625 in |
| Output Diameter (in): | 1.000 in | Input Keyway: | 3/16 X 1.38 in |
| Input HP @ 1750 RPM: | 0.769 | Ratio: | 50:1 |
| Center Distance (in): | 2.06 | Assembly: | BM-D |
| Series: | GRG Series - Ironman Worm Gear Reducers | Gear Type: | Worm |
| Ratio Range: | 50:1 | Input Keyway (C Face): | 3/16 x 3/32 |
| Product Type: | Worm Speed Reducer | Reducer: | Worm - Right Angle |
| Input Bore (C Face): | 0.625 | Model Code: | BM821 |
| Reduction: | Single | Output Shaft Direction: | Double |
| Overhung Load Rating (Output Shaft(lb)): | 1,385 lb | Housing Material: | Cast Iron |
| Output Shaft: | Solid Shaft | Output Torque Rating (in-lb): | 970 in/lbs |
General Specifications
| UPC: | 690310036495 | Weight: | 30.00 LB |
| Packaged Length: | 10.69 IN | Packaged Width: | 9.06 IN |
| Packaged Height: | 10.50 IN |