SKF Single Row Angular Contact Ball Bearing 45 mm ID, 100 mm OD, 25 mm Race Width QJ 309 MA

SKF QJ 309 MA is a single row angular contact ball bearing engineered for demanding industrial applications requiring reliability and performance. Featuring an inside diameter of 45 mm, outside diameter of 100 mm, and a race width of 25 mm, this bearing offers a robust solution for dynamic and static load conditions.

Constructed from high-quality steel balls housed within a machined metal cage, the bearing is open-ended to allow for operational flexibility and ease of maintenance. Its 35° contact angle design and four-point contact geometry allow improved load distribution, making it ideal for varied load applications.

With a static load rating of 83 kN and dynamic load rating of 100 kN, the QJ 309 MA supports demanding mechanical functions at speeds up to 12000 rpm. This bearing is part of the SKF Explorer series, known for enhanced service life and reliability in precision machinery, robotic automation, electric motors, and rotating equipment.

The bearing is manufactured in Germany to strict standards, ensuring consistent quality and durability under industrial operating conditions. It adapts effectively to standard seat tolerances and built-in clearance requirements, delivering stable performance and reduced maintenance downtime.

Constructed with steel balls and machined metal cage for durability. Open end type design facilitates efficient operation. Rated for a static load of 83 kN and dynamic load of 100 kN. Designed with 35° contact angle to improve load distribution.

Supports a limiting speed up to 12000 rpm for high-speed applications. Engineered to SKF Explorer series standards for enhanced performance. Suitable for precision machinery, electric motors, and automation systems. Manufactured in Germany under strict quality controls.

This SKF ball bearing finds extensive use in industrial machinery, construction equipment, manufacturing plants, and laboratory instruments needing dependable rotary bearing solutions. Its durability and engineering precision align with rigorous mechanical, fluid power, and tooling applications.

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