PURCHASED A PUMA PK-65 PUMP. AFTER VIEWING THE PUMA WEBSITE AND THE CS WEBSITE IT WAS DETERMINED THERE WAS A MAX RPM DISCREPANCY. I HAD ALREADY ORDERED A 3.5 INCH PULLEY, BUT IT WAS DETERMINED AFTER DISCUSSION, I NEEDED A 4 INCH. COMPRESSOR SOURCE ACKNOWLEDGED THE ERROR AND I WAS ABLE TO SEND THE WRONG ADVISED PULLEY BACK FREE OF CHARGE AND GET THE CORRECT ONE. SHIPPING WAS VERY VERY FAST AND APPRECIATIVE. THESE FOLKS ARE GREAT, BUT,I CANT SAY THE SAME FOR THE PUMP. THE WEBSITE SAYS 14-22 SCFM BUT I ONLY GOT 13.8 AT 90PSI USING THE WEBSITE CALCULATOR. I WAS HOPING FOR A BIT MORE, BUT I WILL DEAL WITH IT. I WISH I HAD WENT A DIFFERENT ROUTE ON THAT. BUT, WITH THAT BEING SAID, THE CUSTOMER SERVICE WAS SECOND TO NONE AND I WOULD GLADLY BUY FROM THESE FOLKS AGAIN.
4.75" Single Groove Pulley fits B Section V-Belt 5L fits 7/8" Keyed Shaft BK50
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Cast Iron 4.75" Single Groove Pulley V Style B Belt 5L for 7/8" Keyed Shaft
Masterdrive single groove 4.75" pulley for B / 5L belts. This is a high-quality cast iron pulley and is designed to fit a 7/8" keyed shaft and features dual set screws to ensure a completely secure fitting. Most pulleys that are similar to this only have one set screw, making them less reliable in many working conditions. This pulley is designed to be used with B Belts (also known as 5L Belts). You can use A Belts with this pulley; however, they will sit deeper in the grooves and reduce your pulley size.
Specifications:
• 4.75" Diameter
• Fits 7/8" Shaft
• Single Groove Pulley
• Features Dual Set Screws
• Solid Cast Iron Construction
• Secure Reliable Performance
• Accepts B Also Known as 5L Belts