Apex Industrial Automation is a proud distributor for Martin Sprocket and Gear products. Industrial experts rely on Martin for three simple reasons: they deliver quality products, offer the industry's largest inventory of stock parts to meet any schedule, and they do whatever it takes to take care of our customers. From Sprockets and Power Transmission components to Hand Tools, from Bucket Elevators to Conveyor Pulleys. Martin has you covered.
  • Part / Catalog # P21614M85-J
  • Manufacturer: Martin
  • UPC: 697950780443
  • Weight: 250 LB
  • Description: SPK HTS QD
  • Returnable: Yes

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Type : Arms Type D-3
Bore Type : QD Bushed
Bore Diameter : 1-1/4 to 4-1/2 in
Outside Diameter : 37.79 in
Bushing Type : J
Overall Length : 4-1/4 in
Suitable For Use With : RPP®, RPP® Plus®, Hawk Pd® and HTD® belts
Pitch : 0.55118 in
Suitable For Use With : RPP®, RPP® Plus®, Hawk Pd® and HTD® belts
Face Width : 4 in
Pitch Diameter : 37.896 in
Number of Grooves : 216
Material : Cast Iron


UPC Code: 697950780443
Harmonized Tariff Code: 8483.50.99
Weight: 250 LB
Length: 37.79 IN
Width: 3.188 IN
Height: 37.79 IN
Cubic Inches: 0


Specification Sheet


Non slip toothed drive with no metal to metal contact
No lubrication needed
Exhibit many of the best features of chain drives and belt drives
Precise machining and processes ensure consistent finish and high quality
RPP tooth profile