Description
TL120H150 Timing Pulley, 12 Teeth, H Pitch
The TL120H150 is a 12-tooth H (0.500 in trapezoidal) timing pulley. It mounts with an industry-standard bushing, sold separately, machined from cast iron with a black oxide finish, built for 1.5 in wide belts. Machined from solid stock, never sintered or powdered metal.
Specifications

Dimension key for this construction type. Values for this part number are in the table below.
| Specification | Value |
|---|---|
| Part Number | TL120H150 |
| Teeth | 12 |
| Pitch | H (0.500 in trapezoidal) |
| For Belt Width | 1.5 in |
| Pitch Diameter | 19.0986 in |
| Outside Diameter | 19.0446 in |
| Bore | Accepts 3020 bushing (not included) |
| Face Width | 1.812 in |
| Overall Length | 1.812 in |
| Construction | Taper Lock Hub |
| Material | Cast Iron (no sintered or powdered metal) |
| Finish | Black Oxide |
| Weight | 5 lb |
| Country of Origin | China |
Applications
- Instrumentation, office equipment, and precision positioning drives
- 3D printers and desktop CNC equipment
- Robotics, medical devices, and packaging machinery
Belt Compatibility
The TL120H150 runs H (0.500 in trapezoidal) belts in 1.5 in width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The TL120H150 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Dodge® | TL120H150-3020 |
| Gates® | TL120H150 |
| TB Woods® | TL120H150 |
| Mitsuboshi | TL120H150-3020 |
| Jason Industrial | TL120H150 |
| Optibelt | TB 120-H-150 |
| Masterdrive | P120H150-3020 |
| Ametric | 120 H 150 TL |
| Powerdrive | TL120H150 |
Always verify dimensions and bore size before substituting part numbers across manufacturers.
Buying in bulk? Save on volume.
Multi-unit and OEM quantities qualify for volume discounts. Call or email for a quantity quote.
Frequently Asked Questions
What belts fit the TL120H150 pulley?
H (0.500 in trapezoidal) timing belts in 1.5 in width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.
Does the TL120H150 replace the Dodge TL120H150-3020?
Yes. Published interchange data crosses the TL120H150 directly to the Dodge TL120H150-3020, as well as Gates TL120H150, TB Woods TL120H150, Mitsuboshi TL120H150-3020. Verify dimensions and bore before ordering.
Does the TL120H150 ship from Houston?
Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.
All third-party part numbers and trademarks referenced are the property of their respective owners. References are for compatibility identification only and do not imply affiliation or endorsement.
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