King M20 M50 M52 M54 Race main bearing BMW Main Bearing

King Race main bearing for the BMW M20 M50 M52 M54 engine

King Bearings is designed for high speed, high stress and maximum performance
Hardened steel backing for improved bearing shell support
Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and maximize adhesion between the bearings and the housing

Enlarged ID chamfers on the bearing edges

In the version:
Standard dimension: STD
Oversize: +0.25
Oversize: +0.50

Connecting rod bearing standarddimension:
Crankshaft journal diameter: 44.975mm to 44.991mm
Connecting rod eye diameter: 48.000mm to 48.016mm
Bearing shell width: 18.00mm
Bearing shell thickness: 1.493mm

Upper and lower side are identical

Suitable for:
BWM M20 M50 M52 M54

2.0 / 2.3 / 2.5 / 2.7 / 2.8 / 3.0
M20B20, M20B25, M20B27, M50B20, M50B25, M50B27, M52B20, M52B25, M52B28, M54B25, M54B22, M54B30