The Nankai Seiko Co. 488505 Ball Bearing is a high-quality deep groove ball bearing designed for various industrial applications. Key Features Bore Diameter: 25 mm Outside Diameter: 52 mm Overall Width: 16.7 mm Closure Type: Double Sealed Internal Clearance: C3 Cage Material: Bearing Steel Precision Rating: ABEC 1 Maximum RPM: 8,500 rpm Radial Dynamic Load Capacity: 3,150 lbf Radial Static Load Capacity: 1,800 lbf Weight: 0.32 lbs Applications This bearing is suitable for use in various industrial machinery where reliable performance and durability are essential. Manufacturer Information Nankai Seiko Co., Ltd., established in 1946, is renowned for developing and manufacturing high-quality bearings under the SMT brand. The company specializes in producing bearings made from various stainless steels and special materials, catering to diverse industrial needs.