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Crankshaft Marking JOURNAL SIZE SIZE mm (in.) 9 R 9 Size 63.488 - 63.496 mm 9 S 9 Size 63.496 - 63.500 mm (2.4998 - 2.4999 in.) 9 T 9 Size 63.500 - 63.504 mm (2.4999 - 2.501 in.) 9 U 9 Size 63.504 - 63.512 mm (2.5001 - 2.5004 in.) Bearing size Bearing Code Size Application Upper Bearing A .2.443 - 2.447 mm Use with crankshaft size 9 R 9 (.0961 - .0963 in.) B 2.439 - 2.443 mm Use with crankshaft 9 S, T 9 (0.960 - .0961 in.) C 2.435 - 2.439 mm Use with crankshaft 9 U 9 (.0958 - .0960 in.) Lower Bearing Main 9 1 9 and 9 4 9 9 1 9 2.441 - 2.447 mm Use with crankshaft 9 R, S 9 (.0961 -.0963 in.) 9 2 9 2.435 - 2.441 mm Use with crankshaft 9 T, U 9 (.0958 - .0962 in.) Lower Main Bearing 9 2 9 and 9 3 9 9 3 9 2.429 - 2.435 mm Use with crankshaft 9 R, S 9 (.0956 - .0958 in.) 9 4 9 2.423 - 2.429 mm Use with crankshaft 9 T, U 9 (.0953 - .0956 in.) Bearing Clearances Main 9 1, 4 9 Crankshaft 9 R 9 .004 - .034 mm ( .00015 - .0013 in.) Crankshaft 9 S 9 .004 - .030 mm ( .00015 - .0011 in.) Crankshaft 9 T 9 .006 - .032 mm (.0002 - .0012 in.) Crankshaft 9 U 9 .002 - .032 mm (.00007 -. 0012 in.) Main 9 2, 3 9 Crankshaft 9 R 9 .016 - .046 mm (.0006 - .0018 in.) Crankshaft 9 S 9 .016 - .042 mm (.00062 - .016 in.) Crankshaft 9 T 9 .018 - .044 mm (.0007 - .0017 in.) Crankshaft 9 U 9 .014 - .044 mm (.0005 - .0017 in.) 1. Service main bearings are available in four grades. The chart identifies the four service grades available. 9 - 1522 ENGINE - 3.7L KJ |