21L100-6FA6 Timing Pulley, 21 Teeth, L Pitch, 1/2 in Bore


Price:
$ 64.65

Description

21L100-6FA6 Timing Pulley, 21 Teeth, L Pitch, 1/2 in Bore

The 21L100-6FA6 is a 21-tooth L (0.375 in trapezoidal) timing pulley with a 1/2 in finished bore, machined from aluminum with a clear anodized finish, built for 1 in wide belts. Machined from solid stock, never sintered or powdered metal.

Specifications

Type 6F pulley construction dimension diagram

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

Specification Value
Part Number 21L100-6FA6
Teeth 21
Pitch L (0.375 in trapezoidal)
For Belt Width 1 in
Pitch Diameter 2.5067 in
Outside Diameter 2.4767 in
Flange Diameter 2.75 in
Bore 1/2 in finished bore
Face Width 1.25 in
Overall Length 1.75 in
Hub Diameter 2 in
Construction Standard Hub
Set Screws 2 x 1/4-20
Flange Material Aluminum
Material Aluminum (no sintered or powdered metal)
Finish Clear Anodized
Weight 0.739 lb
Country of Origin United States. ISO 9001:2015 certified manufacturing.

Applications

  • Instrumentation, office equipment, and precision positioning drives
  • 3D printers and desktop CNC equipment
  • Robotics, medical devices, and packaging machinery

Belt Compatibility

The 21L100-6FA6 runs L (0.375 in trapezoidal) belts in 1 in width. The pitch is standardized, so belt and pulley brands can be mixed.

Cross Reference

The 21L100-6FA6 interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Mitsuboshi 21L100-6FA6
Powerdrive 21L100-6FA6

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 21L100-6FA6 pulley?

L (0.375 in trapezoidal) timing belts in 1 in width from any manufacturer. The pitch is standardized, so belt and pulley brands can be mixed.

Does the 21L100-6FA6 replace the Mitsuboshi 21L100-6FA6?

Yes. Published interchange data crosses the 21L100-6FA6 directly to the Mitsuboshi 21L100-6FA6, as well as Powerdrive 21L100-6FA6. Verify dimensions and bore before ordering.

Does the 21L100-6FA6 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 21L100-6FA6?

Houston warehouse, same-day shipping on stock items.

Call (888) 203-2358

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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