3024C Engine for Caterpillar Built Machines Caterpillar


Main Bearing Journal

Usage:

216 4NZ

Table 1
Main Bearing Journal    
Crankshaft main bearings     Diameter of the crankshaft journal     Service limit of the crankshaft journal    
Original Size Journal    
67.957 to 67.970 mm (2.6755 to 2.6760 inch)    

67.90 mm (2.673 inch)    
Undersize Journal
0.25 mm (0.010 inch)    

67.707 to 67.720 mm (2.6656 to 2.6661 inch)    

67.65 mm (2.663 inch)    
Undersize Journal
0.50 mm (0.020 inch)    

67.457 to 67.470 mm (2.6558 to 2.6563 inch)    

67.40 mm (2.654 inch)    

Note: If the clearance between the main bearing and the crankshaft journal is not within the specified tolerance, the crankshaft must be replaced.

Clearance between the main bearing and the crankshaft journals ... 0.044 to 0.102 mm (0.0017 to 0.0040 inch)

Service limit of the main bearing ... 0.20 mm (0.008 inch)

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