Lexus Workshop Service and Repair Manuals

Crankshaft Main Bearing: Specifications

Crankshaft

Main Journal

Diameter ..............................................................................................................................................  60.988 to 61.000 mm (2.4011 to 2.4016 inch)
Maximum Taper & Out-of-Round............................................................................................................................................  0.02 mm (0.0008 inch)
Maximum Circle Runout ........................................................................................................................................................  0.06 mm (0.0024 inch) 

Crank Pin

Diameter ..............................................................................................................................................  52.992 to 53.000 mm (2.0863 to 2.0866 inch)
Maximum Taper & Out-of-Round ...........................................................................................................................................  0.02 mm (0.0008 inch)

Thrust Clearance

Standard ......................................................................................................................................................  0.04 to 0.24 mm (0.0016 to 0.0094 inch) 
Maximum .................................................................................................................................................................................  0.30 mm (0.0118 inch)

Main Bearing Oil Clearance

Standard

No. 1 & No. 2 Journals ......................................................................................................................  0.014 to 0.031 mm (0.0006 to 0.0012 inch)
No. 3 & No. 4 Journals ......................................................................................................................  0.026 to 0.043 mm (0.0010 to 0.0017 inch)

Maximum

No. 1 & No. 2 Journals ......................................................................................................................................................  0.05 mm (0.0020 inch)
No. 3 & No. 4 Journals ......................................................................................................................................................  0.06 mm (0.0024 inch)

No. 1 And No. 2 Journal Standard Bearings Selection Chart

No. 3 And No. 4 Journal Standard Bearings Selection Chart