3304B & 3306B INDUSTRIAL & MARINE ENGINES Caterpillar

Make reference to Guidelines for Reusable Parts; Main Bearings and Connecting Rods SEBF8009; and Crankshaft Measurement SEBF8041

Connecting Rod Bearings

Clearance between bearing and journal (new) ... 0.076 to 0.168 mm (.0025 to .0066 in)

Maximum permissible clearance between bearing and journal ... 0.25 mm (.010 in)

Main Bearing Journals

Clearance between bearing and journal (new) ... 0.076 to 0.165 mm (.0030 to .0066 in)

Maximum permissible clearance between bearing and journal ... 0.25 mm (.010 in)