Metal Worm Gear
Cast Iron, 1.5 Module, 30:1 Speed Ratio
Component | Gear |
Bore Type | Round |
Material | Cast Iron |
Gear Module | 1.5 |
Speed Ratio | 30:1 |
Number of Teeth | 30 |
Pressure Angle | 20° |
Gear Pitch Diameter | 45 mm |
For Number of Thread Starts | 1 |
OD | 49.5 mm |
Face Width | 12 mm |
Overall Width | 22 mm |
For Shaft Diameter | 10 mm |
Hub | |
Diameter | 30 mm |
Width | 10 mm |
Material | Cast Iron |
For Thread Direction | Right Hand |
Tooth Heat Treatment | Not Hardened |
Tooth Mechanical Finish | Unfinished |
Gear Type | Worm |
System of Measurement | Metric |
Country of Origin | Japan |
DFARS Compliance | Specialty Metals COTS-Exempt |
Export Control Classification Number (ECCN) | EAR99 |
REACH Compliance | REACH (EC 1907/2006) (06/25/2025, 250 SVHC) Compliant |
RoHS Compliance | RoHS 3 (2015/863/EU) Compliant |
Schedule B Number | 848340.9000 |
U.S.–Mexico–Canada Agreement (USMCA) Qualifying | No |
Worm gears use screw threads to make large reductions to shaft speed while transmitting motion at a right angle. They transmit motion from worm to gear and cannot be reversed. For gears and worms to mesh correctly, they must have the same pressure angle, pitch/module, number of thread starts, and thread direction. These worms are compatible with plastic worm gears.
Cast Iron—Cast iron gears are strong and durable.
Speed Ratio—Speed ratio is the ratio by which output shaft speed is reduced. As speed decreases, torque increases.
The information in this 3-D model is provided for reference only.