Metal Worms and Worm Gears
Worm gears are an ideal choice for high-speed reduction and right-angle transmission of motion. They use screw threads to make large reductions to shaft speed while transmitting motion at a right angle. It's essential for the gears and worms to have the same pressure angle and pitch/module to mesh correctly. These worms are compatible with plastic worm gears, making them versatile for various applications.
The speed ratio determines the reduction of output shaft speed, which increases torque. We offer different materials, such as 1045 carbon steel, 303 stainless steel, and 4140 alloy steel worms, to suit your requirements. Carbon steel worms have rolled threads, while hardened 1045 carbon steel worms have ground threads, making them more durable and precise. Stainless steel worms are corrosion-resistant and perfect for damp environments. The 4140 alloy steel worms are mounted on a shaft, with threads ground into the shaft for higher precision and durability.
Our selection also includes cast iron gears and bronze gears. Cast iron gears are strong and durable, while bronze gears have low friction and dissipate heat better than cast iron gears. They're also more corrosion-resistant, ensuring a long service life for both the gear and the worm. Choose from various speed ratios, materials, and precision levels to suit your application.
SKU | Bearing Trade Number | Mounting Hole Diameter | For Shaft Dia. | Wall Thickness | Temper Rating | Flexibility | Construction | Maximum Pressure | For Housing Inner Dia. | For Screw Size | Outer Circle | Lengths Fit | Number of Splines | For Cord OD | For Knockout Trade Size | Surface Yield Strength | Belt Trade Number | Yield Strength | Heat Treatment | Housing Thickness | Clamping Screw Thread Size | Hardness Rating | Id Surface Smoothness (rms) microns | No. of Mounting Holes | Hardness | Edge Type | Retaining Ring Groove End-to-End Length | Straightness Tolerance | Surface Smoothness | For Shaft Material | With End Seals | Length Tolerance | Step Diameter | Repeatability | Dynamic Load Capacity Vertical | Dynamic Horizontal Load Capacity | Maximum Speed | Max Motor Speed | Step Length | Travel Distance per Turn | Max Motor Torque in.-oz | Diameter | Base Material | Overall Length | ABEC Rating | With Retaining Ring Grooves | Width | Ring Material | Combined Load Cap. - Dynamic | Groove Width | Combined Load Cap. - Static | Max. Speed, rpm | Lubrication | Contact Angle | Roller Projection | Bolt Circle Diameter | For ID | Capacity per Caster | Wheel Bearing Material | Accuracy for Travel Distance per Turn | External Thread Length | External Thread Size | Flange Diameter | Clamping Force | Temp. Range | Max. Temp. Range | Specifications Met | Overall Capacity | Carriage Width | ROHS | For Bore Size | Wheel Diameter | Wheel width | Carriage length ,mm | REACH | Radial Load Cap. - Dynamic | Dynamic Load Capacity | Radial Load Cap. - Static | Retaining Ring - OD | Retaining Ring - Thick. | Inner Ring - Outer Dia. | Inner Ring - Width | OD | Thick | For Maximum Shaft Diameter | Shaft Diameter | For Shaft Diameter | Cage Material | Washer Material | Thrust Load Cap. - Static | Stroke Length | Stroke Length Range | RoHS | Thrust Load Cap. - Dynamic | Floor Mount. Fasteners Included | No. of Floor Mount. Holes | Internal Dia. (ID) | Includes | Flange - OD | Flange - Thick | For Shaft Width | Hex Width | Features | Min. Sheet Metal Thick. | Spline OD | Includes | Misalignment Capability | Rate of Taper | Inner Ring Outer Dia. Tolerance | Inner Ring Width | Seal Type | Taper | Environmental Rating | Ball Bearing OD, mm | Ball Bearing Width | For Shaft Surface Smoothness (Ra), microns | For Shaft Surface Smoothness (Ra), microinch | Max.Torque, ft.-lbs. | ShankThreadSize | ShankCenterLg. | ShankThreadLg. | BallStudThreadSize | Mount Height | BallStudCenterLg. | BallStudThreadLg. | Mounting Orientation | Max.BallSwivel | BallStudThreadDirection | Material | O'allThick | O'allWidth | Shank Thread Pitch | Thread Direction | Pkg.Qty. | Shank Dia. | Shank Thread Direction | Clearance 3.17 cm on Track | ShankThreading | JawCenterLg. | Fastener Strength Grade/Class | JawOpeningWd. | Tensile Strength, psi | Roller Dia. | Roller Width | Roller Spacing | Stud Lg. | Thread Lg. | Thread Size | Choose a Durometer(HardnessRating) | O'all Height | Shoulder Lg. | Shoulder Dia. | LoadCapacity,kg. Static | LoadCapacity,kg. Dynamic | Mounting Hole Center-to-Center | Center Ht. | Overall Lg. | Mounting Holes Dia. | Bolt Circle Dia. | Width | Lubrication | Lubricant | Length | Dynamic Radial Load Capacity | Dynamic Thrust Load Capacity | Specifications Met | End Type | Load Capacity Dynamic | Dynamic Thrust Load Capacity | Spline Length | Max. Torque Nm | PV Max. | For Motion Type | Misalignment Capability, Parallel (mm) | Misalignment Capability, Angular | Misalignment Capability, Axial | For Shaft, Dp. | Joint Dia. | Keyway, Wd. | Keyway, Dp. | Max. Operating Angle | Torque, 3° Operating Angle | Torque, 10° Operating Angle | Joint Type | Bellows Material | For Panel Cutout Dia. | Max. Torque, Clockwise Drive | Max. Torque, Counterclockwise Drive | Retracted | Bend Radius | O'all Lg., ft. | Max. Temp., °F | Center Material | Torque-Limiting Direction | Hub Material | Bore Dp. | Extendeds | Extended Length Range | Retracted Range | Keyway Wd. × Keyway Dp. | Roller Chain, Standard | Roller Chain, Trade Size | Max. Torque @ rpm | Clamping Screw, Type | Center Height | Center Height Tolerance | Clamping Screw, No. Included | Mounting Holes Thread Size | Mounting Holes, No. of | For Shaft, Thread Pitch | Flat-to-Flat Ht. | REACH | Wd. | Handle1 | Thread Pitch | Handle length | Handle Diameter | Locknuts, Specifications Met | Locknuts, OD | Locknuts, Wd. | Locknuts Thread Spacing | Mounting | Ht. | Mounting Holes, Thread Size | Locknuts Thread Size | Outer Dia Range | Hub Width | Mounting Hole ctr to ctr length | Locknuts Thread Pitch (mm) | Mounting Hole ctr to ctr wd | Locknuts, Insert Max. Temp °C | Nuts, For Lock Washer | Mounting Holes, Thread Pitch | Maximum Temperature | Keyway Size (Wd. × Dp.) | Choose a Shaft Dia. (A) | Choose a Shaft Dia. (B) | Choose a Keyway Size (Wd. × Dp.) for Shaft Dia. (A) | Choose a Keyway Size (Wd. × Dp.) for Shaft Dia (B) | Tolerance Rating | Pkg. Qty. | Tolerance, Wd. | Tolerance, Ht. | Pitch (mm) | Inside Width | Bore Type | Thickness | Inside Wd. | Outside Wd. | Overall Wd. | Flange Thickness | Fastener Tightening Torque | Overall Width | Pitch Dia. | Hub Dia. | Maximum Torque | Keyway Depth | Keyway Width | Minimum Hardness | Force @ 100 psi | Body Material | Approximate No of Links per Ft | Reinforcement Material | Connection Material | Woodruff Key Number | Air Inlet Pipe Size | Outer Circumference | For Keyway Dia. | Number of Flanges | Number of Thread Starts | Static Load Capacity | Number of Teeth | Hub Diameter | Temper | Pressure Angle | Temperature Range, °F | Module | Gear Pitch Dia | Width between Frame | Speed Ratio | Face Width | Fabrication | Head, Lg. | End Ht. | Height Frame | Overall Height | For Housing ID | Head, Ht. | Outer Dia | Bushing Style | For Bushing Style | Basket | Feet Ht. | Frame | Frame Material | For Hub Keyway, Wd. (A) | For Hub Keyway, Ht. (B) | Environmental Rating | For Hub Keyway, Wd. (A) Tolerance | For Shaft Keyway, Wd. (C) | For Shaft Keyway, Ht. (D) | Static Radial Load Capacity | Thread Type | For Shaft Keyway, Wd. (C) Tolerance | For Max. Belt Wd. | Height × Width | Bearing Type | Pitch Height | For Shaft Type | Features | Height | Color | Gender | Max. Torque Nm | Dia. | Variant Group 1 | Set Screw Type | Set Screw, No. Included | AC Voltage | Manufacturer Series | Lever, Ht. | Lever, Lg. | Lever Material | Variant Group 2 | Variant Group 3 |
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UA17A_3V54 | --- | --- | 8mm | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | Bronze | --- | --- | --- | Right Hand | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 10mm | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 22mm | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 2 | --- | 20 | 22mm | --- | 20° | --- | 1.5 | 30mm | --- | 10:1 | 12mm | --- | --- | --- | --- | --- | --- | --- | 34.5mm | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | Round Bore—Bronze | --- | --- | --- | --- | --- | --- | --- | --- | --- |
UA17A_3V53 | --- | --- | 10mm | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | Bronze | --- | --- | --- | Right Hand | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 10mm | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 22mm | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 1 | --- | 30 | 30mm | --- | 20° | --- | 1.5 | 45mm | --- | 30:1 | 12mm | --- | --- | --- | --- | --- | --- | --- | 49.5mm | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |