Grove Gear GR Series - Ironman Worm Gear Reducers Cast Iron Single-Reduction Worm Reducer - GRG-B821-20-L
Part #:GRG8210005.00
Catalog #:GRG-B821-20-L
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
| M: | 1.76 | C: | 6.38 in |
| J: | 4.75 in | F: | 3 |
| O*: | 2.08 in | U: | 0.625 in |
| G: | 1.44 | O: | 2.29 in |
| I: | 3.61 in | Center Distance (in): | 2.06 in |
| D: | 2.28 | L: | 4.82 in |
| N: | 4.68 | K: | 2.5 in |
| B: | 5.8 | T: | 1 |
| A: | 3.81 | TAP Depth: | 0.63 in |
| H-Tap size: | 5/16-18 UNC in |
Technical Specifications
| Series Style: | GRG-B-L | Output HP: | 1.338 |
| Output Shaft Orientation: | L | Input Style: | Solid Shaft |
| Mounting Style: | No Base | Reducer Style: | Worm - Right Angle |
| Series Type: | Cast Iron 800 Worm Gear Reducers | Output Style: | L |
| Series Code: | GRG | No. of Gear Reductions: | Single |
| Output Shaft Assembly Code: | L | Input HP: | 1.584 |
| Output RPM: | 87 | Input RPM: | 1,750 |
| Overhung Load: | 1,175 | Output Key: | 1/4 X 1.44 |
| Keyway: | 3/16 X 3/32 | Ratio Range: | 20:1 |
| Input Keyway: | 3/16 X 1.38 in | Service Factor: | 1 |
| Reducer: | Worm - Right Angle | Product Type: | Worm Speed Reducer |
| Output Diameter (in): | 1.000 in | Center Distance (in): | 2.06 |
| Model Code: | B821 | Product Line: | GRG Series - Ironman Worm Gear Reducers |
| Thrust Rating - output shaft: | 1144 | Ratio: | 20:1 |
| Series: | GRG Series - Ironman Worm Gear Reducers | Shaft Seal Material: | Viton |
| Input HP @ 1750 RPM: | 1.584 | Input Diameter (in): | 0.625 in |
| Gear Type: | Worm | Assembly: | B-L |
| Reduction: | Single | Output Shaft Direction: | Left |
| Output Torque Rating (in-lb): | 964 in/lbs | Housing Material: | Cast Iron |
| Output Shaft: | Solid Shaft | Overhung Load Rating (Output Shaft(lb)): | 1,175 lb |
General Specifications
| UPC: | 690310035856 | Weight: | 25.00 LB |
| Packaged Length: | 10.69 IN | Packaged Width: | 9.06 IN |
| Packaged Height: | 10.50 IN |

