Dimension & Clearance Specifications - Main Bearing

Main Bearing Clearance Standard 0.020-0.040 mm (0.0008-0.0016 inches)
Undersize 0.020-0.040 mm (0.0008-0.0016 inches)
Limit 0.06 mm (0.0023 inches)
Standard Main Bearing Thickness Green 1.996-2 mm (0.0786-0.0787 inches)
Black 1.999-2.003 mm (0.0787-0.0788 inches)
Colorless 2.002-2.006 mm (0.0788-0.0789 inches)
Yellow 2.005-2.009 mm (0.0789-0.0790 inches)
Blue 2.008-2.012 mm (0.0790-0.0791 inches)
0.25 mm (0.0098 inches) Undersized Bearings Green and Red 2.1212-2.125 mm (0.0835-0.0836 inches)
Black and Red 2.124-2.128 mm (0.0836-0.0837 inches)
Red 2.127-2.131 mm (0.0837-0.0838 inches)
Yellow and Red 2.130-2.134 mm (0.0838-0.0839 inches)
Blue and Red 2.133-2.137 mm (0.0839-0.0840 inches)
Crankshaft Journal Diameter Stamping 51.994-52.000 mm (2.0470-2.0472 inches)
2 Inch Stamping 51.988-51.994 mm (2.0468-2.0470 inches)
3 Inch Stamping 51.982-51.988 mm (2.0465-2.0468 inches)
Undersized 51.732-51.750 mm (2.0367-2.0373 inches)
Main Bearing Cap Bore Diameter (Without Bearing) A Inch Stamping 56.000-56.006 mm (2.2047-2.2050 inches)
Main Bearing Cap Bore Diameter (Without Bearing) B Inch Stamping 56.006-56.012 mm (2.2050-2.2052 inches)
Main Bearing Cap Bore Diameter (Without Bearing) C Inch Stamping 56.012-56.018 mm (2.2052-2.2054 inches)