WRENCH 8H8521 - Caterpillar

Table 1
Item Quantity Part Specification Description
- - The original size of the connecting rod bearing journal 67.99 mm (2.6768 inch) to 68.01 mm (2.6776 inch)
- - Maximum permissible wear of the connecting rod bearing journals 0.04 mm (0.0016 inch)
- - Width of the connecting rod bearing journals 40.305 mm (1.5868 inch) to 40.455 mm (1.5927 inch)
- - Surface finish of connecting rod bearing journals and radii Ra 0.0025 microns (10 µ inch) The Shell for the Connecting Rod Bearings
Standard Bearing Shells
Table 2
Item Quantity Part Specification Description
- All Thickness at center of the shells 1.995 mm (0.0785 inch) to 2.002 mm (0.0788 inch)
- All Width of the connecting rod bearing shells 31.47 mm (1.2390 inch) to 31.73 mm (1.2492 inch)
- All Clearance between the bearing shell and the connecting rod bearing journals 0.031 mm (0.0012 inch) to 0.078 mm (0.0031 inch)