Description
32-8MX21-6FS6SS Powerhouse® MX Timing Pulley, 32 Teeth, 8MX Pitch
The 32-8MX21-6FS6SS is a 32-tooth 8 mm MX high torque timing pulley with a 1/2 in minimum plain bore, machined from stainless steel, built for 21mm wide belts. Machined from solid stock, never sintered or powdered metal. Powerhouse® MX pulleys run on the same high torque drives as Gates Poly Chain® GT® Carbon™ and Continental Synchrochain Carbon belts.
Specifications

Dimension key for this construction type. Values for this part number are in the table below.
| Specification | Value |
|---|---|
| Part Number | 32-8MX21-6FS6SS |
| Teeth | 32 |
| Pitch | 8 mm MX high torque |
| For Belt Width | 21mm |
| Pitch Diameter | 3.2082 in |
| Outside Diameter | 3.1452 in |
| Flange Diameter | 2.953 in |
| Bore | 1/2 in minimum plain bore |
| Face Width | 1.203 in |
| Overall Length | 1.766 in |
| Flange Material | Stainless Steel |
| Material | Stainless Steel (no sintered or powdered metal) |
| Weight | 3.1936 lb |
| Country of Origin | United States. ISO 9001:2015 certified manufacturing. |
Applications
- High torque, low speed drives replacing roller chain
- Air cooled heat exchanger (ACHE) fan drives
- Oil and gas pumping equipment
- Material handling and conveyor drives
Belt Compatibility
The 32-8MX21-6FS6SS runs 8 mm MX high torque belts in 21mm width. The pitch is standardized, so belt and pulley brands can be mixed.
Cross Reference
The 32-8MX21-6FS6SS interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Gates® | SS 8MX-32S-21 MPB |
| Powerdrive | 32-8MX21-6FS6SS |
| Continental (ContiTech) | SS 32G-8M-21-MPB STAINLESS STEEL QTE |
Always verify dimensions and bore size before substituting part numbers across manufacturers.
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Multi-unit and OEM quantities qualify for volume discounts. Call or email for a quantity quote.
Frequently Asked Questions
What belts fit the 32-8MX21-6FS6SS pulley?
8 mm MX high torque timing belts in 21mm width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.
Does the 32-8MX21-6FS6SS replace the Gates SS 8MX-32S-21 MPB?
Yes. Published interchange data crosses the 32-8MX21-6FS6SS directly to the Gates SS 8MX-32S-21 MPB, as well as Powerdrive 32-8MX21-6FS6SS, Continental SS 32G-8M-21-MPB STAINLESS STEEL QTE. Verify dimensions and bore before ordering.
Does the 32-8MX21-6FS6SS 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 32-8MX21-6FS6SS?
Houston warehouse, same-day shipping on stock items.
Call (888) 203-2358Powerhouse® is a registered trademark of its owner. Poly Chain®, GT®, and Carbon™ are trademarks of Gates Corporation. Synchrochain is a trademark of Continental. 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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