Bearing Surface (Journal) For Main Bearings
Usage:
(A) Distance from the centerline of the main bearing journal ... 14.262 mm (.5615 in)
(B) Dimension from line (A) ... 28.524 mm (1.1230 in)
(1) Diameter of the main bearing journal at (A) and (B) (new) ... 88.880 ± 0.020 mm (3.4992 ± .0008 in)
Difference in the diameter at (A) and (B) must not be more than ... 0.015 mm (.0006 in)
(2) Radius-Rear journal ... 4.74 ± 0.20 mm (.187 ± .008 in)
(3) Radius-All others (minimum) ... 4.74 ± 0.20 mm (.187 ± .008 in)
NOTE: Radius must blend smoothly (have no sharp edges) with the machined surfaces of the journals.
(4) Width of rear journal ... 40.48 +0.14 -0.06 mm (1.594 +.006 -.003 in)
(5) Width of all journals except rear (maximum) ... 45.16 mm (1.778 in)
Caterpillar Information System:
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