Medium series 3300 double row angular contact ball bearings correspond in design to two single row angular contact ball bearings arranged back-to-back, but take up less axial space. They can accommodate radial loads as well as axial loads in both directions. They provide stiff bearing arrangements and are able to accommodate tilting moments.

This double row ball bearings series are designed with solid or one-piece inner and outer rings with contact angles converging outside the bearing providing overall system rigidity.

Double row angular contact ball bearings 3300 type have an inner and outer ring with a double raceway. The two rows are so related that the contact angle is similar to a pair of back-to-back single row bearings. The 3300 series has filling slots, so it is necessary to mount them with the thrust load acting against the un-notched face of the rings.

This double-row angular contact ball bearings can be open on both sides, or closed by seals (2RS suffix) or shields (ZZ suffix). Moreover, bearings of the max type design (sufix E) have a filling slot for inserting the balls. This permits

assembly with a greater number of balls than in the previously described Conrad type bearings.

Application

The double row angular contact ball bearings are commonly used in oil pumps,  air compressors, various transmissions, printing machinery, extraction equipment, food packaging machinery, electric welding machines, electric soldering irons, gravity spray gun, stripping machine, inspection and analysis equipment, chemical machinery.