Inside The History: 16" 45 caliber MK VI Gun Turret overview on USS MASSACHUSETTS BB 59 GM1 Retired Tom Lowney and historical gunnery expert Dr. John Scholes walk us through an overview on the 16" Turrets on USS MASSACHUSETTS | Battleship Cove

The slewing bearing beneath the turret of an armored vehicle is a critical rotating component that connects the turret to the chassis, directly impacting the turret’s maneuverability, stability, and combat accuracy. As armored vehicles must endure intense shocks, vibrations, and high-load conditions in complex battlefield environments, the slewing bearing must possess exceptional rigidity, strength, and durability.Typically, this type of slewing bearing is made of high-strength alloy steel and u

Was Ball Turret Gunner the Worst Position to Hold During World War II? | War History Online