Features
Backgauge Gear for Polar 76 EM, Polar 78, and 92 paper cutters. 245010 and ZA3.245010This black plastic gear is also known as "Gear No 2". It has 68 teeth and measures approximately 105 mm (4 1/8") in diameter (this refers to the outside diameter measured over the teeth). It measures 15mm (9/16") wide at the gear teeth and has a 19mm (3/4") diameter bore, with a 6mm wide keyway. This black plastic gear is used on the hand fine adjustment shaft on many models of Polar paper cutters, including the Polar 78 E, Polar 78 ED, Polar 78 X, Polar 78 XT. It is used on Polar 76 EM models with a machine serial number AFTER serial number 5761301. For Polar 76EM models that came before serial number 5761301 see our part number G338. It is used on the Polar 92 E, Polar 92 ED, Polar 92 S, Polar 92 X, and Polar 92 XT cutter models, only AFTER machine serial number 6511201. It is used on Polar 92 EMC and Polar 92 EM cutter models, only AFTER machine serial number 5711301.
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