Crankshaft, Main Bearings & Connecting Rod Bearings Specifications
CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS
| Application |
In. (mm) |
| Crankshaft |
| End Play |
| Standard |
.0039-.0138 (.100-.350) |
| Wear Limit |
.0165 (.420) |
| Maximum Runout At Center Journal |
.0023 (.060) |
| Thrust Washer Thickness |
| Standard |
.0984 (2.500) |
| Oversize .0049" (.125 mm) |
.1009 (2.563) |
| Main Bearings |
| Main Bearing Thickness (Standard) |
| Size Mark Green |
.0785-.0786(1.993-1.997) |
| Size Mark Black |
.0786-.0787 (1.996-2.000) |
| Size Mark No Color |
.0787-.0788 (1.999-2.003) |
| Size Mark Yellow |
.0788-.0789 (2.002-2.006) |
| Size Mark Blue |
.0789-.0790 (2.005-2.009) |
| Main Bearing Thickness 0.098" (0.25 mm) Undersize |
| Size Mark Green & Red |
0.0834-0.0835 (2.118-2.122) |
| Size Mark Black & Red |
0.0835-0.0836 (2.121-2.125) |
| Size Mark Red (Only) |
0.0836-0.0837 (2.124-2.128) |
| Size Mark Yellow & Red |
0.0837-0.0838 (2.127-2.131) |
| Size Mark Blue & Red |
0.0838-0.0839 (2.130-2.134) |
| Journal Diameter |
| Size Mark 1 |
2.2832-2.2834 (57.994-58.000) |
| Size Mark 2 |
2.2830-2.2832 (57.988-57.994) |
| Size Mark 3 |
2.2828-2.2829 (57.982-57.988) |
| Bearing Bore Diameter (Without Bearing) |
| Size Mark "A" |
2.4409-2.4412 (62.000-62.006) |
| Size Mark "B" |
2.4412-2.4414 (62.006-62.012) |
| Size Mark "C" |
2.4414-2.4416 (62.012-62.018) |
| Journal Taper Or Out-Of-Round |
.0004 (.01) |
| Oil Clearance |
| Standard |
.0010-.0018 (.026-.046) |
| Wear Limit |
.0023 (.060) |
| Reground Journal Finished Diameter |
2.2729-2.2736 (57.732-57.750). |
| Connecting Rod Bearings |
| Journal Diameter |
| Standard |
1.9678-1.9685 (49.982-50.000) |
| Undersize 098" (0.25 mm) |
1.9580-1.9586 (49.732-49.750) |
| Journal Taper Or Out-Of-Round |
.0004 (.010) |
| Oil Clearance |
| Standard |
.0018-.0025 (.045-.063) |
| Wear Limit |
.0031 (.080) |