The SKF QJ-228-N2MA is a robust, high-quality four-point contact ball bearing designed to provide reliable support in various industrial applications. Featuring a 140 mm bore diameter, a 250 mm outside diameter, and a 42 mm width, this bearing is engineered from durable steel to withstand demanding conditions. This particular model, QJ 228 N2MA, is an Angular Contact Ball Bearing with a 30° contact angle, ensuring precise alignment and stable performance. Whether it’s for machinery or equipment, the SKF brand is synonymous with durability and precision, making this bearing an excellent choice for your mechanical and automation needs.ID: 140 mm ≈ 5 1/2″ ≈ 5.512″ OD: 250 mm ≈ 9 27/32″ ≈ 9.843″ W: 42 mm ≈ 1 21/32″ ≈ 1.654″Can’t Find Your Part? Click HERE to contact us! We can source any part, quickly. Choose your shipping speed; next-day and expedited options are available at checkout. International shipping available on all orders. Collect shipping accepted (UPS, FedEx, DHL, Freight). Competitive prices are guaranteed.