Tutorial how to make bearing

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Step 1:
open a sketch on right plane began to drawing a sketch like this
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Step 2:
use mirror command and trim command. draw the axis
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Step 3:
use revolved boss command
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Step 4:
open sketc to right plane and draw a circle. enter values
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Step 5:
use revolve command again
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Step 6:
use circular pattern command
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Step 7:
open a sketch to righ plane and draw shown sketch
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Step 8:
use revolve command. be carreful at volues
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Step 9:
use circular pattern command again
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Step 10:
connect the bodies which you created last
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Step 11:
use mirror comand. that's all :))