Radial Ball Bearing, Single Row, Double Shielded, Bore Dia. 80 mm, Outside Dia. 170 mm, Width 39 mm, Steel Shield Material, ABEC Tolerance 1, Dynamic Load Capacity 44,000 lb, Static Load Capacity 32,000 lb, Max. RPM 2,000 RPM, Temp. Range -60 Degrees to 200 Degrees F, Steel Bearing Material, Steel Cage Material, Chevron SRI 2, Industry Number 316WDDN