3314 bearing is a double-row angular contact ball bearing designed to handle high radial loads, axial loads in both directions, and tilting moments, often used in stiff, high-speed arrangements. It is frequently used in industrial machinery, electric motors, and automotive applications. 

Common Specifications (3314)
Inner Diameter (d): 70mm
Outer Diameter (D): 150mm
Width (B): 63.5mm

Design: Double row angular contact (resembles two single-row bearings in a back-to-back arrangement)
Contact Angle: Commonly