HB618R Bronze Helical Gear 3.43" ID Click here for spec sheet:

Click here for spec sheet: SUCTP Spec Sheet

Click here for spec sheet: UCFX Spec Sheet

Click here for spec sheets: UCFCF Spec Sheet

Does not mar the shaft

Bearing insert with 2 set screws has longer inner race for added load support

HB618R Bronze Helical Gear 3.43" ID Click here for spec sheet:Boston Gears stock helical gears are manufactured in both right and left handed configurations with an industry standard 45 helix angle to transmit motion and power between non intersecting shafts that are parallel or at 90 to each other. For parallel shaft operation, helical gears with opposite hand helix angles are required. For shafts at 90, a same hand helix angles must be used. For parallel shaft applications, the overlapping tooth contact of our