Crankshaft Cast Iron 8971129810 8970331712 For Isuzu Truck Parts NP 4HF1 4HG1

A hollow cast iron crankshaft of an internal combustion engine includes at least one main bearing journal and at least two connecting rod bearing journals.In order to reduce the mass of the crankshaft and the centrifugal force generated during the movement, the crankshaft journal is often hollow.An oil hole is opened on the surface of each journal to allow oil to be introduced or drawn out for lubrication of the journal surface.In order to reduce stress concentration, the joint of spindle neck, crank pin and crank arm is connected by transitional arcs.

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A hollow cast iron crankshaft of an internal combustion engine includes at least one main bearing journal and at least two connecting rod bearing journals.

Crankshaft is the most important component in an engine.It takes the force from the connecting rod, converts it into a torque and outputs it through the crankshaft and drives the other accessories on the engine.The crankshaft is subjected to the combined action of centrifugal force of rotating mass, periodic changing gas inertia force and reciprocating inertia force, which makes the crankshaft bear the action of bending torsion load.Therefore, the crankshaft is required to have sufficient strength and stiffness, and the surface of the journal should be wear-resistant, even-working and well-balanced.

Product Details

Engine Model: NP 4HF1 4HG1

Product Name: Crankshaft cast iron

OE NUMBER: 8971129810 8970331712

Vehicle number: 8-97112981-CHM

Place of Origin: China

Brand Name : China Aftermarket

Vehicle Model: NPR/4HF1/4HG1

Actual size: 66*17.1*12.5

Quality guarantee

Time of delivery: 10 to 15 days

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