SKF 30314 J2/Q

SKF 30314 J2/Q Tapered Roller Bearing Description The SKF 30314 J2/Q is a premium single-row tapered roller bearing engineered for high performance in demanding applications. Its design allows it to accommodate combined (radial and axial) loads. The separable design, where the cone with roller and cage assembly can be mounted separately from the cup, facilitates easy installation. The J2 suffix indicates a robust pressed steel cage, while the Q suffix signifies optimized internal geometry and surface finish for reduced friction and extended service life. Specifications Inner Diameter (d): 70 mm Outer Diameter (D): 150 mm Total Width (T): 38 mm Bearing Type: Single-Row Tapered Roller Bearing Cage Material: Stamped Steel (J2) Special Feature: Optimized Contact Geometry (Q) Label Info Manufacturer: SKF Type: 30314 J2/Q Country of Origin: Germany Application This bearing is widely used in industrial applications such as gearboxes, hoisting equipment, rolling mills, automotive axle systems, and machinery in the mining sector. Country of Origin Manufactured by SKF in Germany, ensuring high standards of quality and precision engineering. CO2 Impact By opting for this new-old-stock bearing, you contribute to a circular economy and save approximately 6.6 kg of CO2 compared to producing a new one. This is a smart choice for both your operations and the environment. Availability This item is in stock and ready for immediate dispatch. Order now from profideals for expert support and fast delivery. FAQ What do the suffixes J2 and Q mean on an SKF 30314 bearing?The ‘J2’ suffix denotes a pressed steel, window-type cage that is centered on the rollers. The ‘Q’ suffix indicates that the bearing has an optimized contact geometry and surface finish, leading to lower friction, reduced heat generation, and longer service life. Can this bearing accommodate misalignment?Tapered roller bearings like the 30314 J2/Q can only accommodate very small angular misalignments of the shaft relative to the housing. It is critical to ensure proper alignment during installation to maximize bearing life. What type of lubrication is recommended for the 30314 J2/Q?This bearing can be lubricated with either grease or oil. The choice depends on the operating conditions, particularly speed and temperature. For most general applications, a high-quality grease with an EP (Extreme Pressure) additive is suitable. For high-speed applications, oil lubrication is recommended. Last Update: Friday, March 13, 2026 profideals is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners.