28-8MX21-1108SS Powerhouse® MX Timing Pulley, 28 Teeth, 8MX Pitch


Price:
$ 152.43

Description

28-8MX21-1108SS Powerhouse® MX Timing Pulley, 28 Teeth, 8MX Pitch

The 28-8MX21-1108SS is a 28-tooth 8 mm MX high torque timing pulley. It mounts with an industry-standard bushing, sold separately, 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

Type A1F pulley construction dimension diagram

Dimension key for this construction type. Values for this part number are in the table below.

Specification Value
Part Number 28-8MX21-1108SS
Teeth 28
Pitch 8 mm MX high torque
For Belt Width 21mm
Pitch Diameter 2.8071 in
Outside Diameter 2.7441 in
Flange Diameter 3.15 in
Bore Accepts 1108 bushing (not included)
Face Width 1.203 in
Overall Length 1.203 in
Flange Material Stainless Steel
Material Stainless Steel (no sintered or powdered metal)
Weight 1.2862 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 28-8MX21-1108SS 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 28-8MX21-1108SS interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Gates® SS 8MX-28S-21 1108
Powerdrive 28-8MX21-1108SS
Continental (ContiTech) SS 28G-8M-21-1108 STAINLESS STEEL QTE

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 28-8MX21-1108SS 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 28-8MX21-1108SS replace the Gates SS 8MX-28S-21 1108?

Yes. Published interchange data crosses the 28-8MX21-1108SS directly to the Gates SS 8MX-28S-21 1108, as well as Powerdrive 28-8MX21-1108SS, Continental SS 28G-8M-21-1108 STAINLESS STEEL QTE. Verify dimensions and bore before ordering.

Does the 28-8MX21-1108SS 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 28-8MX21-1108SS?

Houston warehouse, same-day shipping on stock items.

Call (888) 203-2358

Powerhouse® 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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