Description
The Vortex XS237-20-L is a worm gear speed reducer with a 20:1 nominal ratio (exact ratio 19.5:1) and 2.375-inch center distance, configured for belt or chain drive on the input side. The 0.75-inch input shaft and 1.125-inch output shaft both have keyways for sheaves and couplings. Output is oriented for left-hand output.
Specifications
| Specification | Value |
|---|---|
| Part Number | Vortex XS237-20-L |
| Series | Vortex XS-Series |
| Nominal Ratio | 20:1 |
| Exact Ratio | 19.5:1 |
| Center Distance | 2.375" |
| Output Orientation | Left-Hand Output |
| Output Shaft Diameter | 1.125" |
| Output Keyway | 1/4x1/8 |
| Input Shaft Diameter | 0.75" |
| Input Keyway | 3/16x3/32 |
| Output Torque (1750 RPM input) | 1195.0 in-lbs |
| Output Speed (1750 RPM input) | 87.5 RPM |
| Max Input HP (1750 RPM) | 2.06 HP |
| Mechanical Efficiency | 82% at 20:1 |
| Overhung Load Capacity | 900.0 lbs |
| Thrust Capacity | 900.0 lbs |
| Weight | 36.3 lbs |
| Oil Fill Volume | 22.0 oz |
| Housing | Cast iron, painted finish |
| Mounting | Foot-mount standard; flange-mount kit available |
| Shipping | Texas Belting & Supply, Houston, TX |
Downloadable Spec Sheet
Full dimensional drawings, motor mounting dimensions, ratio table with exact ratios and efficiencies, and torque ratings.
Download XS237 Spec Sheet (PDF)About This Unit
The Vortex XS237-20 is a worm gear speed reducer with solid input and output shafts (no motor flange). Left-Hand Output. Driven by belt or chain rather than a coupled motor. The cast iron housing is sealed for indoor and protected outdoor use. Maximum input speed is 1,750 RPM (standard NEMA motor speed). At 20:1 ratio, this unit delivers approximately 87.5 RPM at the output with mechanical efficiency of 82%.
Typical applications: belt and chain conveyors, mixers and agitators, packaging machinery, indexing tables, pump drives, and OEM equipment requiring a compact sealed gear reducer.
Competitor Cross-References
This Vortex XS237 cross-references to the following competitive worm gear reducers at the same 2.375-inch center distance. Verify ratio, motor frame, output shaft, and hand of rotation against your existing nameplate before substituting.
| Manufacturer | Equivalent Part Number |
|---|---|
| Baldor | F924 |
| Boston Gear | F724 |
| Cone Drive | B06WAN |
| Dodge Tigear II | 23Q |
| Falk Omnibox | 1238WBM |
| Grove Gear | BMQ224 |
| Hub City | 244 |
| Morse Invader | 724F |
| Morse Raider | 237Q |
| Ohio Gear | BMQ2238 |
| Winsmith | 924MDN |
Frequently Asked Questions
What is the exact ratio of the Vortex XS237-20?
The nominal ratio is 20:1 and the exact ratio is 19.5:1. At a 1,750 RPM input speed the output speed is 87.5 RPM. Mechanical efficiency at this ratio is approximately 82%.
What does the Vortex XS237-20-L replace?
This unit cross-references to competitive 2.375-inch center distance worm gear reducers including Baldor F924, Boston Gear F724, Cone Drive B06WAN, Dodge Tigear II 23Q, Falk Omnibox 1238WBM. Verify ratio, motor frame, and output direction against the original nameplate before substituting.
Does the Vortex XS237-20 ship from Houston?
Yes. The Vortex XS237-20 ships from Texas Belting & Supply's Houston, TX warehouse the same business day for orders placed before 3 PM Central time, subject to stock. Call (888) 203-2358 to confirm current inventory.
Questions about this Vortex XS237-20?
Engineering support and same-day shipping from Houston.
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