A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.
"bearing, heat treatment: stabilized for operation at temperature -100fahrenheit to 350 fahrenheit; ball diameter: .15625", number of balls: 30,material of ball: 440c ams 5618 or ams 5880;hardness, ball: rc 58 minimum;material,ring: 440c ams 5618 or ams 5880; hardness rating: rc 58 minimum;conformity ratio inner ring: .518-.525"; conformity ratio oute rring: .518-.525"" functional description, 3.250 inches nominal overall outside diameter, 2.500 inches nominal bore diameter, bearing,ball part name assigned by controlling agency, 0.312 inches nominal overall width