Operation CHARM: Car repair manuals for everyone.

Crankshaft Main Bearing

CRANKSHAFT
Type Cast Nodular Iron
Bearings Aluminum Lead (Bi - Metal)
Thrust Taken By No. 2 Main Bearing
End Play 0.076 - 0.228 mm (0.003 - 0.009 in.)
Maximum Allowable (wear limit) 0.381 mm (0.015 in.)
Diametral Clearance Desired 0.018 - 0.076 mm (0.0007 - 0.003 in.)
Maximum Diametral Clearance (wear limit) 0.102 mm (0.004 in.)

MAIN BEARING JOURNALS
Diameter 64 mm (2.519 in.)
Maximum Out-of-Round and/or Taper 0.025 mm (0.001 in.)
Bearings for Service Std.
0.025 mm (0.001 in.)
0.051 mm (0.002 in.)
0.076 mm (0.003 in.)
0.254 mm (0.010 in.)
0.305 mm (0.012 in.)

CONNECTING ROD JOURNALS
Diameter 58 mm (2.283 in.)
Maximum Out-of-Round and/or Taper 0.025 mm (0.001 in.)