HB630R Bronze Helical Gear 3.25" Center Distance the CUCSFB has a Hard

the CUCSFB has a Hard Chrome bearing insert and a Stainless Steel housing

Click here for spec sheet: NAP Spec Sheet

SUCNPFC has nickel plated housing and stainless steel bearing insert

The spline design virtually elimi nates back lash which is a delayed action effect caused by excessive clearances between hub and discs

HB630R Bronze Helical Gear 3.25" Center Distance the CUCSFB has a HardBoston 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