Used on viking heavy duty pump model hl-124 for the afff system aboard 210 ft wmec and 378 ft whec class coast guard vessels. 25.00mm bore diameter unit consists of: 1ea locknut p/N2-507-003-375; 1ea lockwasher p/n 2-807-003-375; 1ea end cap p/n 2-140-001-781; 2ea bearing spacer collar p/n 2-288-003-210; 2ea lip seal p/n 2-283-007-378; 1ea ball bearing p/n 2-055-012-375; 1ea bearing housing p/n 3-060-034-922 cylindrical cartridge
Used on main propulsion line shaft onboard 378 ft coast guard vessels hull number 715 only. 28.0000" overall length bearing is in shipping fixture 17c solid, plain, no outside flanges
3a thread class right-hand 0.6560" overall length 0.4995" bore diameter 20 thread quantity per inch tight internal fit; case hardening applies to inner member only tin alloy surface treated ball type unf thread series
