Main Bearing Set For BMW N55 B30A, N53 B30A, N52 B30A - MB7776SI
PartNo
MB7776SI
In stock
King Bearings' bi-metal SI material blends Aluminum with 2.5-3% Silicon, providing strength. Ideal for medium-load engines, particularly engines using nodular cast iron crankshafts. It excels as a Lead-free OE replacement Bearing.
Commonly use for
medium-load engines particularly ones using nodular cast iron crankshafts
| Crankshaft Dim. | Housing Dim. | Length | Thickness |
|---|---|---|---|
| Position 1: 64.98 / 64.96 mm 2.5583 / 2.5575 inch Positions 2,3,5,6,7,4: 55.98 / 55.96 mm 2.2039 / 2.2032 inch |
Position 1: 70.02 / 70.00 mm 2.7567 / 2.7559 inch Positions 2,3,5,6,7,4: 61.02 / 61.00 mm 2.4023 / 2.4016 inch |
Position 1: 19.8 mm 0.780 inch Positions 2,3,5,6,7: 18.8 mm 0.740 inch Position 4: 23.9 mm 0.943 inch |
2.508 mm 0.0987 inch |
Main Bearing Set For BMW N55 B30A, N53 B30A, N52 B30A - MB7776SI
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Performance features
Material features
Tech Features
Aluminum Based
Bi Metal Aluminum material
Lead free Aluminum based material used for low to heavy load engines
Lead free
Environmentally safe composite
A lead-free bearing material prioritizes environmental sustainability and safety, utilizing alternative compounds to achieve optimal performance in diverse applications.
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