21-2P03-6CA3 Powerhouse® Timing Pulley, 21 Teeth, 2P Pitch, 1/4 in Bore


Price:
$ 14.32

Description

21-2P03-6CA3 Powerhouse® Timing Pulley, 21 Teeth, 2P Pitch, 1/4 in Bore

The 21-2P03-6CA3 is a 21-tooth 2 mm Powerhouse® curvilinear timing pulley with a 1/4 in finished bore, machined from aluminum with a clear anodized finish, built for 3mm 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.

$50 minimum order on drive components. Mix and match any pulleys, bushings, sheaves, sprockets, and accessories in your cart to reach the $50 minimum. Questions? Call (888) 203-2358.

Specifications

Type 6C pulley construction dimension diagram

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

Specification Value
Part Number 21-2P03-6CA3
Teeth 21
Pitch 2 mm Powerhouse® curvilinear
For Belt Width 3mm
Pitch Diameter 0.5263 in
Outside Diameter 0.506 in
Flange Diameter 0.71 in
Bore 1/4 in finished bore
Face Width 0.204 in
Overall Length 0.438 in
Hub Diameter 0.71 in
Construction Standard Hub Serves as 2nd Flange
Set Screws 2 x 6-40
Flange Material Aluminum
Material Aluminum (no sintered or powdered metal)
Finish Clear Anodized
Weight 0.013 lb
Country of Origin India

Applications

  • Higher load synchronous drives in compact spaces
  • Industrial automation and conveyor drives
  • Packaging and material handling equipment

Belt Compatibility

The 21-2P03-6CA3 runs 2 mm Powerhouse® curvilinear belts in 3mm width. The pitch is standardized, so belt and pulley brands can be mixed.

Cross Reference

The 21-2P03-6CA3 interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Stock Drive Products (SDP/SI) A 6A51-021DF0308
York 21-2GT06-1A X 1/4
Powerdrive 21-2P03-6CA3

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 21-2P03-6CA3 pulley?

2 mm Powerhouse® curvilinear timing belts in 3mm width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.

Does the 21-2P03-6CA3 replace the Stock Drive Products A 6A51-021DF0308?

Yes. Published interchange data crosses the 21-2P03-6CA3 directly to the Stock Drive Products A 6A51-021DF0308, as well as York 21-2GT06-1A X 1/4, Powerdrive 21-2P03-6CA3. Verify dimensions and bore before ordering.

Does the 21-2P03-6CA3 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 21-2P03-6CA3?

Houston warehouse, same-day shipping on stock items.

Call (888) 203-2358

Powerhouse® 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.

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