Solution Series: ER Insert Bearings
Northern Industrial Supply stocks a full line of ER type insert bearings, featuring an extended inner ring that provides extra shaft support. These versatile bearings are locked to the shaft with setscrews, have a wide inner ring with steel retainer, contact seal and slinger, and OD mounted snap rings for axial location. We stock both inch and metric sizes for same day pickup/delivery to keep your applications up and running!
Free Spinning ER Insert Bearings
NIS also offers a free spinning ER insert bearing option, designed to excel in critical applications like pulp and paper converting, printing, and packaging. Precise raceway curvatures combined with superb surface finishes help provide a low coefficient of friction. To further reduce the rotational torque or drag, these bearings are lubricated with a low viscosity oil, or light consistency grease and have low drag/non contact seals.
Free Spinning bearings utilize a formed metal slinger in conjunction with a modified Buna-Nitrile seal forming an effective labyrinth design. Although there are two seals involved, there is actually no contact of the sealing elements with the rotating bearing components. Yet the unique design does an excellent job of keeping out contamination, while yielding the lowest possible torque.
Free spinning ER type bearings are great for packaging equipment, printing machinery, in-line systems and conveyor equipment!
Contact NIS today for all your ER type insert bearing needs!