11 21 Crankshaft and Bearings N55 B30
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MAIN BEARING JOURNAL NUMBER (1) SPECIFICATION
| Ground sizes of main bearing journals | Main bearing journal number 1 | |
| Original (identification mark S/1) | mm | 55.989... 55.983 |
| Original (identification mark S/2) | mm | 55.982... 55.977 |
| Original (identification mark S/3) | mm | 55.976... 55.970 |
| Crankshaft bearing clearance, radial | mm | 0.020... 0.046 |
| Max. permitted runout at center crankshaft journal | mm | 0.15 |
MAIN BEARING JOURNAL NUMBERS (2, 3, 4, 5, 6) SPECIFICATION
| Ground sizes of main bearing journals | Main bearing journal numbers 2,3,4,5,6 | |
| Original (identification mark S/1) | mm | 55.999... 55.993 |
| Original (identification mark S/2) | mm | 55.992... 55.987 |
| Original (identification mark S/3) | mm | 55.986... 55.980 |
| Crankshaft bearing clearance, radial | mm | 0.020... 0.046 |
| Max. permitted runout at center crankshaft journal | mm | 0.15 |
GUIDE BEARING JOURNAL NUMBER (7) SPECIFICATION
| Ground sizes of main bearing journals | Guide bearing journal number 7 | |
| Original (identification mark S/1) | mm | 64.999... 64.993 |
| Original (identification mark S/2) | mm | 64.992... 64.987 |
| Original (identification mark S/3) | mm | 64.986... 64.980 |
| Crankshaft bearing clearance, radial | mm | 0.020... 0.046 |
| Max. permitted runout at center crankshaft journal | mm | 0.15 |
CONROD BEARING JOURNALS SPECIFICATION
| Ground sizes of conrod bearing journals | ||
| Identification mark (b) | mm | 49.9730... 49.9834 |
| Identification mark (R) | mm | 49.9835... 49.9930 |
| Stage 1 | mm | No machining possible |
| Size 2 | mm | No machining possible |
| Radial conrod bearing play | mm | 0.025... 0.071 |
CRANKSHAFT GUIDE BEARING SPECIFICATION
| Grinding stages, crankshaft guide bearing | ||
| Original | mm | 24.020... 24.053 |
| Stage 1 | mm | No machining possible |
| Size 2 | mm | No machining possible |
| Crankshaft axial play | mm | 0.060... 0.250 |
| Friction coefficient of crankshaft | Nm | 2 to 2.5 |