Description
Representative image shown. Actual product appearance varies by size, bore, and configuration. Refer to the specifications table for exact dimensions of this part number.
90-8P50-3020 Powerhouse® Timing Pulley, 9 Teeth, 8P Pitch
The 90-8P50-3020 is a 9-tooth 8 mm Powerhouse® curvilinear timing pulley. It mounts with an industry-standard bushing, sold separately, machined from ductile iron with a black oxide finish, built for 5mm wide belts. Machined from solid stock, never sintered or powdered metal. The Powerhouse® modified curvilinear profile carries roughly twice the load of a standard curvilinear pulley of the same size.
Specifications

Dimension key for this construction type. Values for this part number are in the table below.
| Specification | Value |
|---|---|
| Part Number | 90-8P50-3020 |
| Teeth | 9 |
| Pitch | 8 mm Powerhouse® curvilinear |
| For Belt Width | 5mm |
| Pitch Diameter | 9.023 in |
| Outside Diameter | 8.969 in |
| Bore | Accepts 3020 bushing (not included) |
| Face Width | 2.38 in |
| Overall Length | 2.38 in |
| Construction | Taper Lock Hub |
| Material | Ductile Iron (no sintered or powdered metal) |
| Finish | Black Oxide |
| Weight | 26.35 lb |
| Country of Origin | United States. ISO 9001:2015 certified manufacturing. |
Applications
- Higher load synchronous drives in compact spaces
- Industrial automation and conveyor drives
- Packaging and material handling equipment
Belt Compatibility
The 90-8P50-3020 runs 8 mm Powerhouse® curvilinear belts in 5mm width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The 90-8P50-3020 interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Dodge® | P90-8M-50-3020 |
| Martin | P908M50-3020 |
| Gates® | P90-8MGT-50 |
| TB Woods® | P908M50TL |
| Regal Rexnord (Browning®) | B908M50TL |
| Ametric | 8M90TL50.3020 |
| Grainger | 809U29 |
| Powerdrive | 90-8P50-3020 |
| Continental (ContiTech) | P90-8M-50-3020 |
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 90-8P50-3020 pulley?
8 mm Powerhouse® curvilinear timing belts in 5mm width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.
Does the 90-8P50-3020 replace the Dodge P90-8M-50-3020?
Yes. Published interchange data crosses the 90-8P50-3020 directly to the Dodge P90-8M-50-3020, as well as Martin P908M50-3020, Gates P90-8MGT-50, TB Woods P908M50TL. Verify dimensions and bore before ordering.
Does the 90-8P50-3020 ship from Houston?
Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.
Need a quote on 90-8P50-3020?
Houston warehouse, same-day shipping on stock items.
Call (888) 203-2358Powerhouse® is a registered trademark of its owner. HTD® is a registered trademark of Gates Corporation. 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.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.