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.
per poc e-mail;item 4 is- bear015, bearing w63207 type 120, double sealed, w/ spcl. grease per dod-g-24508 (mobil 28),size 35 mm bore, 72 mm o.d., 26.99 mm width, iks w207-2rs special features, bearing, ball anlr part name assigned by controlling agency