What was the significance of ball bearing factories during the World Wars and in the economy at the time in general?

Ball bearing were a vital foundational component of an industrial economy. Crippling Germany’s ball bering supply was a key American War strategy in WWII ever since American intelligence identified a shortage of ball bearings within Germany in 1942.

Why are ball bearings important in war?

Bearings were a vital component in the tanks, airplanes, machine guns, heavy artillery, and submarines used by the belligerents during the war. In preparing for their invasion of Northern Europe, the Allies sought to gain air superiority by disrupting Germany’s production of warplanes.

What is a ball bearing factory?

Quote from Youtube video:It has steel balls that move inside tracks called raceways the raceways are carved into a set of heavy-duty steel rings the balls are made of the same type of steel.

How did manufacturing industries help in the war effort what did they give up making as a result?

Factories were converted to the production of military items such as tanks, rifles, ammunition, airplanes and ships. People on the “Home Front” were encouraged to conserve energy, to plant “Victory Gardens” and to buy war bonds.

How was Detroit transformed during World War II?

America’s largest industry shifted from making cars to bombers, tanks and more—at unparalleled speed. America’s largest industry shifted from making cars to bombers, tanks and more—at unparalleled speed.

What is ball bearing in friction?

Ball bearings reduce friction by using smooth balls lubricated with oil or grease that freely roll between a smooth inner and outer surface. The main concept of the ball bearing is that objects that roll past each other produce less friction than if the objects were sliding against each other. Physics.

What are steel ball bearings used for?

A ball bearing is a type of rolling-element bearing that serves three main functions while it facilitates motion: it carries loads, reduces friction and positions moving machine parts. Ball bearings use balls to separate two “races,” or bearing rings, to reduce surface contact and friction across moving planes.

Where was the German ball bearing factory WW2?

city of Schweinfurt

The city of Schweinfurt, located in central Germany, was the center for the production of ball bearings during WW2, a characteristic that remains true until today.

Why was Schweinfurt bombed?

The American bombers conducted a strategic bombing raid on ball bearing factories to reduce production of these vital parts for all manner of war machines. This was the second attack on the factories at Schweinfurt.

What are the benefits of using ball bearing?


  • The bearing uses grease with higher dripping point (195 degree)
  • Large operating range temperature ( -40 ~ 180 degree)
  • Better sealing shield to prevent leaking of lubricant and avoid foreign particles. …
  • Easy bearing replacement.
  • Increase motor performance (less motor friction)

What is ball bearing where it is used?

Ball bearings are the most common bearing type and can be found in many every day objects, such skateboards, blenders, bicycles, DVD players and photocopiers. This type of bearing is typically used in applications which have a high speed and a low load.

What are the applications of ball bearing?

  • Application of Ball Bearings:
  • Household Items: Bicycles, Skateboards, Sewing Machines, Washing Machines, Tumble Driers, Food Processors, Hair Dryers, DVD Players, Fishing Rods.
  • Office Equipment: Photocopiers, Fax Machines, Hard-Drives, Fans, Air-Conditioners.
  • What is significant about the US bombing of Germany by B-17s?

    The B-17 dropped more bombs than any other U.S. aircraft in World War II. Of approximately 1.5 million tons of bombs dropped on Nazi Germany and its occupied territories by U.S. aircraft, over 640 000 tons (42.6%) were dropped from B-17s.

    What was the German target on August 17 1942?

    The mission was an ambitious plan to cripple the German aircraft industry; it was also known as the “double-strike mission” because it entailed two large forces of bombers attacking separate targets in order to disperse fighter reaction by the Luftwaffe.

    Schweinfurt–Regensburg mission.

    Date August 17, 1943
    Result German victory

    When did us start bombing Germany in ww2?

    On January 27, 1943, the 8th Air Force sent 64 planes from their base in England in what would be the first U.S. bombing of Germany. Both B-24 bombers and B-17 Flying Fortresses, known for their ability to take heavy fire, began their raid on the German port of Wilhelmshaven.

    What is a German U boat?

    U-boat, German U-boot, abbreviation of Unterseeboot, (“undersea boat”), a German submarine. The destruction of enemy shipping by German U-boats was a spectacular feature of both World Wars I and II.

    Was France bombed in ww2?

    Between the time of the German victory in the Battle of France and the liberation of the country, the Allied Forces bombed many locations in France. In all 1,570 French cities and towns were bombed by the Allies between June 1940 and May 1945.

    When did the RAF first bomb Berlin?

    25 August 1940

    The first RAF raid on Berlin took place on the night of 25 August 1940; 95 aircraft were dispatched to bomb Tempelhof Airport near the center of Berlin and Siemensstadt, of which 81 dropped their bombs in and around Berlin, and while the damage was slight, the psychological effect on Hitler was greater.

    Which city was bombed first London or Berlin?

    But on the night of August 24, a German plane dropped bombs on London, probably by accident, on its way home from a raid. Prime Minister Winston Churchill immediately ordered the RAF to retaliate with a raid on Berlin.

    Why did Germany bomb London at night?

    In October, Hitler ordered a massive bombing campaign against London and other cities to crush British morale and force an armistice. Despite significant loss of life and tremendous material damage to Britain’s cities, the country’s resolve remained unbroken.

    Did Churchill bomb Berlin?

    After London was attacked, British Prime Minister Winston Churchill ordered a revenge attack on Berlin. It was the first bombing raid on the German capital in the war. The raid on August 25 was small and mostly symbolic. It caused little damage to the city itself.

    Was the blitz an accident?

    The Blitz refers to the strategic bombing campaign conducted by the Germans against London and other cities in England from September of 1940 through May of 1941, targeting populated areas, factories and dock yards. The first German attack on London actually occurred by accident.

    What started the blitz?

    On September 7, 1940, 300 German bombers raid London, in the first of 57 consecutive nights of bombing. This bombing “blitzkrieg” (lightning war) would continue until May 1941.

    Who said Germany should be bombed every 50 years?

    Winston Churchill

    Ludomir Krawiński on Twitter: “@TerryReintke Germany should be bombed every 50 years as a preventive measure, without giving any reason – Winston Churchill” / Twitter.

    When did Winston Churchill say fear is a reaction?

    Circa 1940. Often attributed to Churchill, this remark originated at least as early as 1776 with Benjamin Franklin, though it may date back two decades earlier, to 1755. If Churchill used it, he was quoting Franklin.

    When did Winston Churchill say never give up on something that you can’t go a day without thinking about?

    Winston Churchill delivered one of his most famous speeches of the Second World War eighty years ago this month on 29 October 1941. He made his remarks not in the House of Commons or on the BBC but in the familiar surroundings of his old school, Harrow.

    How did Churchill react to Pearl Harbor?

    Churchill reflected upon his reaction to the news of the attack on Pearl Harbor and said he “slept the sleep of the saved.” Obviously, his spirits were elevated now that the United States was in the war, but tell us about those days, from December 8 through December 11, when there was no declaration of war between the …

    What was Hitler’s reaction to Pearl Harbor?

    When informed in his headquarters on the evening of Dec. 7 of the strike and the damage suffered by US forces, he was “delighted,” according to British historian Ian Kershaw. “We can’t lose the war at all. We now have an ally which has never been conquered in 3,000 years,” a jubilant Hitler said, as recounted in Mr.

    Did Japan regret Pearl Harbor?

    Abe’s Pearl Harbor speech has been well received in Japan, where most people expressed the opinion that it struck the right balance of regret that the Pacific war occurred, but offered no apologies.

    Why didnt Roosevelt help Churchill?

    Roosevelt didn’t trust Churchill because he didn’t like empires and Great Britain was the greatest empire the world had ever seen. Churchill didn’t fully trust Roosevelt because he knew that he had a political situation at home, where many people were opposed to American involvement in the war.

    What was the turning point of Roosevelt and Churchill meeting?

    Eighty years ago, the Atlantic Charter set out the terms for the decolonisation of French North Africa. Roosevelt and Churchill seated on the quarter deck of HMS Prince of Wales, 10 August 1941.

    What was Roosevelt’s role in ww2?

    Roosevelt supervised the mobilization of the U.S. economy to support the war effort and implemented a Europe first strategy, initiating the Lend-Lease program and making the defeat of Germany first a priority over that of Japan.