C3.3 Industrial Engine Caterpillar

Maximum permissible wear of a bearing journal on a new connecting rod ... 0.04 mm (0.002 inch)

Width of the connecting rod bearing journals ... 40.280 mm to 40.480 mm (1.586 inch to 1.594 inch)

Surface finish of connecting rod bearing journals and radii ... 0.25 µ m (10 µ inch)

The Shell for the Connecting Rod Bearings

Standard Bearing Shells

Thickness at center of the shells ... 1.835 mm to 1.841 mm (0.0722 inch to 0.0725 inch)

Width of the connecting rod bearing shells ... 31.62 mm to 31.88 mm (1.244 inch to 1.25512 inch)

Clearance between the bearing shell and the connecting rod bearing journals ... 0.034 mm to 0.081 mm (0.001 inch to 0.003 inch)