BOOM AS-BRG & 3157455 - Caterpillar

Table 1
Specification for the 221-9360 Crankshaft, 189-4918 Crankshaft, and 337-0201 Crankshaft
Item Qty Part Specification Description
- - - Main bearing journal original size is 120.650 0.020 mm (4.7500 0.0008 inch).
Diameter of 0.63 mm (0.025 inch) undersize main bearing journal is 120.015 0.020 mm (4.7250 0.0008 inch).
Diameter of 1.27 mm (0.050 inch) undersize main bearing journal size is 119.380 0.020 mm (4.7000 0.0008 inch).
Clearance between new bearing and new journal of Main bearing cap with two bolts is 0.076 to 0.186 mm (0.0030 to 0.0073 inch).
Clearance between new bearing and new journal of Main bearing cap with four bolts is 0.071 to 0.178 mm (0.0028 to 0.0070 inch).
Original size of the main bearing bore in the block is 129.891 0.013 mm (5.1138 0.0005 inch).
Diameter of 0.63 mm (0.025 inch) oversize main bearing bore in the block is 130.521 0.013 mm (5.1387 0.0005 inch).