Crankshaft Main Bearing: Specifications

Bed Plate-Bolts





Bolts A - L 54 Nm (40 ft. lbs.)
Bolts 1 - 10 2.8 Nm (25 inch lbs.)
Bolts 1 - 10 additional 90°
Bolts Al - A6 27 Nm (20 ft. lbs.)

Main Bearing Journal Diameter 63.488 - 63.512 mm (2.4996 - 2.5005 inch)
Bearing Clearance 0.004 - 0.034 mm (0.0002 - 0.0013 inch)
Out of Round (MAX) 0.005 mm (0.0004 inch)
Taper (MAX) 0.008 mm (0.0004 inch)
End Play 0.052 - 0.282 mm (0.0021 - 0.0112 inch)
End Play (MAX) 0.282 mm (0.0112 inch)
Connecting Rod Journal Diameter 50.992 - 51.008 mm (2.0076 - 2.0082 inch)
Bearing Clearance 0.010 - 0.048 (0.0004 - 0.0019 inch)
Out of Round (MAX) 0.005 mm (0.0002 inch)
Taper (MAX) 0.008 mm (0.0004 inch)

MAIN BEARING SELECTION CHART - 4.7L: