Difference between revisions of "Engine Specs -S65/S85 Main Bearings"
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!style="width: 200px;" |Metric Dimensions | !style="width: 200px;" |Metric Dimensions | ||
!style="width: 200px;" |SAE (Inch) Dimensions | !style="width: 200px;" |SAE (Inch) Dimensions | ||
| − | | | + | |- |
| − | + | |Main Journal Dimensions | |
| − | |Main | ||
| − | |||
|59.9758 mm | |59.9758 mm | ||
|2.36125 inch | |2.36125 inch | ||
|- | |- | ||
| − | |Main | + | |Main Journal Variance |
| − | |||
|59.9694 - 59.9821 mm | |59.9694 - 59.9821 mm | ||
|2.36100 - 2.36150 inch | |2.36100 - 2.36150 inch | ||
|- | |- | ||
| − | |Main | + | |Main Journal Tolerance |
| − | |||
|<nowiki>-0.0063, +0.0063 mm</nowiki> | |<nowiki>-0.0063, +0.0063 mm</nowiki> | ||
|<nowiki>-0.00025, +0.00025 inch</nowiki> | |<nowiki>-0.00025, +0.00025 inch</nowiki> | ||
|- | |- | ||
| − | |Bed | + | |Bed Plate + Bearing Dimensions |
| − | |||
|60.0164 mm | |60.0164 mm | ||
|2.36285 inch | |2.36285 inch | ||
|- | |- | ||
| − | |Bed | + | |Bed Plate + Bearing Variance |
| − | |||
|60.0126 - 60.0202 mm | |60.0126 - 60.0202 mm | ||
|2.36270 - 2.36300 inch | |2.36270 - 2.36300 inch | ||
|- | |- | ||
| − | |Nominal | + | |Nominal Main Bearing Clearance |
| − | |||
|0.0406 mm | |0.0406 mm | ||
|0.00160 inch | |0.00160 inch | ||
|- | |- | ||
| − | |Bearing | + | |Bearing Clearance Variance |
| − | |||
|0.0305 - 0.0508 mm | |0.0305 - 0.0508 mm | ||
|0.00120 - 0.00200 inch | |0.00120 - 0.00200 inch | ||
|- | |- | ||
| − | |Bearing | + | |Bearing Clearance Tolerance |
| − | |||
|<nowiki>-0.0102, +0.0102 mm</nowiki> | |<nowiki>-0.0102, +0.0102 mm</nowiki> | ||
|<nowiki>-0.00040, +0.00040 inch</nowiki> | |<nowiki>-0.00040, +0.00040 inch</nowiki> | ||
Revision as of 22:17, 8 January 2015
Main Journals & Bearing Clearance
| Crankshaft Main Journals & Bearings | Metric Dimensions | SAE (Inch) Dimensions |
|---|---|---|
| Main Journal Dimensions | 59.9758 mm | 2.36125 inch |
| Main Journal Variance | 59.9694 - 59.9821 mm | 2.36100 - 2.36150 inch |
| Main Journal Tolerance | -0.0063, +0.0063 mm | -0.00025, +0.00025 inch |
| Bed Plate + Bearing Dimensions | 60.0164 mm | 2.36285 inch |
| Bed Plate + Bearing Variance | 60.0126 - 60.0202 mm | 2.36270 - 2.36300 inch |
| Nominal Main Bearing Clearance | 0.0406 mm | 0.00160 inch |
| Bearing Clearance Variance | 0.0305 - 0.0508 mm | 0.00120 - 0.00200 inch |
| Bearing Clearance Tolerance | -0.0102, +0.0102 mm | -0.00040, +0.00040 inch |
Main Bearing Part Numbers
Main Bearing History
The following is the main bearing history of the "Green" bearings. Yellow and Violate bearings follow an identical pattern, but with their respective part numbers. Maybe if I get some time, I'll add them to this list.
| BMW Part Number | Description | Location | Color | Standard Size Bearings | Application | Prod. Start | Prod. End | Superceded By |
|---|---|---|---|---|---|---|---|---|
| 11 21 7 836 532 | Main Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50 | Sep-04 | Feb-08 | 11 21 7 841 489 |
| 11 21 7 836 517 | Main Guide Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50 | Sep-04 | Feb-08 | 11 21 7 841 499 |
| 11 21 7 836 539 | Main Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50 | Sep-04 | Feb-08 | 11 21 7 841 484 |
| 11 21 7 836 524 | Main Guide Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50 | Sep-04 | Feb-08 | 11 21 7 841 494 |
| 11 21 7 841 489 | Main Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Sep-07 | Jul-11 | 11 21 7 841 610 |
| 11 21 7 841 499 | Main Guide Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Sep-07 | Dec-08 | 11 21 7 841 618 |
| 11 21 7 841 484 | Main Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Sep-07 | Apr-11 | 11 21 7 841 606 |
| 11 21 7 841 494 | Main Guide Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Sep-07 | Jan-09 | 11 21 7 841 614 |
| 11 21 7 841 610 | Main Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Nov-08 | Present | |
| 11 21 7 841 618 | Main Guide Bearing Shell | Top | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Dec-08 | Present | |
| 11 21 7 841 606 | Main Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Nov-08 | Present | |
| 11 21 7 841 614 | Main Guide Bearing Shell | Bottom | Green | 60.00 mm (+0.00 mm) | S85B50, S65B40, S65B44 | Nov-08 | Present |
