GROVE GEAR GR8420554.31 GR-HM842-25-H1-210-31 Worm Reducer, 25:1 Ratio, 1.25 Inch I.D, 1.938 Inch O.D, Cast Iron
Get it by Wednesday, Apr 15
€5,089.13 /unit
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Product Specifications:
| Item | Reducer |
| Assembly | HM-H1 |
| Bore Code | 31 |
| Center Distance | 4 1/4" |
| Frame | 210TC |
| Gear Type | Worm |
| Gearbox Type | Worm |
| Housing Material | Cast Iron |
| Input Bore (c Face) | 1 3/8" |
| Input Bore Size | 1 3/8" |
| Input Dia. | 1 1/4" |
| Input Hp @ 1750 Rpm | 7 47/50 hp |
| Input Keyway Size | 1/4" x 2.5" |
| Input Keyway Size (c Face) | 5/16" x 5/32" |
| Input Rpm | 1750 RPM |
| Input Style | Flexible Coupling Input |
| Material | Cast Iron |
| Max Input Hp | 7 47/50 hp |
| Max. Input Hp | 7 47/50 hp |
| Mounting Type | Shaft Mount |
| No. Of Gear Reductions | 1 |
| Output Diameter | 1.938" |
| Output Hp | 6.946 hp |
| Output Key Size | 1/2" x 3.38" |
| Output Rpm | 70 RPM |
| Output Shaft | Hollow Bore |
| Output Shaft Assembly Code | H1 |
| Output Shaft Orientation | H1 |
| Output Shaft Thrust Rating | 2533 |
| Output Shaft Type | Hollow Shaft |
| Output Style | H1 |
| Output Torque | 6254 lbs.-in. |
| Product Line | GR Series - Ironman Worm Gear Reducers |
| Reducer | Worm - Right Angle |
| Reduction Type | Single |
| Series | GR Series |
| Series Style | GR-HM-H1 |
| Service Factor | 1 |
| Shaft Seal Material | Viton |
Shipping Info:
| Ship weight (kg) | 70.65 |
| Ship height (cm) | 44.45 |
| Ship length (cm) | 101.6 |
| Ship width (cm) | 93.98 |
Product Variants
| Product | Model | output torque | max. input hp | gear type | gear ratio | center distance | output rpm | finish | output | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
GR8420315.00 | 5042 lbs.-in. | 14 93/100 hp | Worm | - | 4 1/4" | 175 RPM | - | - | €4,104.01 | |
![]() |
GR8420541.23 | 6092 lbs.-in. | 9.462 hp | Worm | - | 4 1/4" | 87 RPM | - | - | €5,089.13 | |
![]() |
GR8424034.00 | - | - | - | - | 4.2" | - | Painted | Right | €4,193.11 | RFQ
|
![]() |
GR8425888.00 | - | - | - | - | 4.2" | - | Painted | Left | €2,412.37 | RFQ
|
![]() |
GR8420605.23 | 6170 lbs.-in. | 4.389 hp | Worm | - | 4 1/4" | 35 RPM | - | - | €5,089.13 | |
![]() |
GR8424151.00 | - | - | - | - | 4.2" | - | Painted | Right | €4,193.11 | RFQ
|
![]() |
GR8422233.00 | 11619 lbs.-in. | 1 24/25 hp | Double Worm | - | 4 1/4" | 7 RPM | - | - | €3,075.26 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
GROVE GEAR GR8420554.31 GR-HM842-25-H1-210-31 Worm Reducer, 25:1 Ratio, 1.25 Inch I.D, 1.938 Inch O.D, Cast Iron
€5,089.13 /unit



