Ložiskové jednotky NTN-SNR

SNR Industry 31 Designs Assembly SNR ball bearing units are supplied as a ready-to-fit assembly. If relubrication is necessary, the included lubricating nipple must be mounted. The spherical bearing seatings of the housings are manufactured in two different ISO tolerances. Bore diameters of up to 180 mm are manufactured in the tolerance class J7 , which performes a firm seat for the bearing inserts. Larger bore diameters are manufactured in the tolerance class H7 . In this cases the insert is secured by a locking pin in the outer ring. SNR pillow blocks and inserts with set screw fixing SNR pillow blocks and inserts with eccentric locking collar 1. Release set screws and slide bearing unit onto the shaft. 2. Screw down the housing on a flat surface. Mount the housing on the other end of the shaft in the same manner. 3. Screw down the set screws at the recommended tightening torque. 1. Slide the unit onto the shaft. Do not tighten the eccentric locking collar. 2. Tighten the screws slightly. Mount the unit on the other end of the shaft in the same manner. Securely tighten the screws. 3. Preferably tighten the eccentric locking collar by hand in the direction of the shaft rotation. Units