Two-piece bearings
They make the bearings two-piece so that they can be mounted along the entire length of the shaft and can be easily replaced. By unscrewing the screws on both sides, the bearings can be easily removed from the shaft or their shells can be replaced
These bearings are made up of two parts
BODY OF BEARING
SHELL BEARING bearing shell
Bearing body
The body of the bearing is usually made of cast iron, but it also differs according to the place and type of carb. They may be made of steel or aluminum
Bearing shell
The bearing shell may be one-piece or two-piece. If it is a piece, it is like a simple bush, but it has a bit cover
The two-piece shell is known as (SHELL) and it is used in two-piece bearings
The bearing shell has a coating of bit or copper and lead alloy, carmium alloy and bronze alloy
There are two types of bearings used in cars. Fixed and movable bearings that are related to crankshafts and connecting rods. Bearings are half cylindrical and have thin shells with a thickness of 1.3 mm. The load on the motor can be between 0.5 and 0.15 mm. Automotive engine bearings are made of different alloys, which are
Bearings with bit with 90% copper, 5% tin, 1.5 to 6% antimony and 7 to 10% lead
Bearings made of alloy and lead with 60% copper, 25% lead and 15% other metals
Bearings made of cadmium alloy with 98% cadmium and 2% other metals
Bronze alloy bearings that are alloyed from copper and tin and its use is common in connecting rod bushings
In general, two-piece bearings are used in three ways
When the bearing must rotate, such as pulleys and pulleys that rotate freely on a fixed axis
When the bearing must be fixed and used as a base and the axis rotates on it like the axis of the buttons
When the shaft and the bearing are both rotating, such as the crankshaft and the connecting rods that rotate together
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