Nissan and Datsun Workshop Service and Repair Manuals

Crankshaft Main Bearing: Specifications
Available Bearings, Clearance and ID Color

Standard

Grade, Color, Thickness.

Grade 0 (Black): ..........................................................................................................................................  1.827 - 1.831 mm (0.0719 - 0.0721 inch)
Grade 1 (Brown): ........................................................................................................................................  1.831 - 1.835 mm (0.0721 - 0.0722 inch)
Grade 2 (Green): .........................................................................................................................................  1.835 - 1.839 mm (0.0722 - 0.0724 inch)
Grade 3 (Yellow): .......................................................................................................................................  1.839 - 1.843 mm (0.0724 - 0.0726 inch)
Grade 4 (Blue): ...........................................................................................................................................  1.843 - 1.847 mm (0.0726 - 0.0727 inch)

Undersize

Size, Thickness.                        

0.25 mm (0.0098 inch): ...............................................................................................................................  1.960 - 1.964 mm (0.0772 - 0.0773 inch)
0.50 mm (0.0197 inch): ...............................................................................................................................  2.085 - 2.089 mm (0.0821 - 0.0822 inch)

Clearance

Standard  ...........................................................................................................................................................  0.018 - 0.042 mm (0.0007 - 0.0017 inch)
Limit  .................................................................................................................................................................................................  0.1 mm (0.004 inch)