Difference between revisions of "Engine Specs - S54 Rod Bearings"
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====Bearing Clearance Specifications==== | ====Bearing Clearance Specifications==== | ||
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{| class = "diyTable bearingSpec" | {| class = "diyTable bearingSpec" | ||
− | !Con Rod Clearance ( | + | !Con Rod Clearance (439/440 Bearings) |
!Metric Dimensions | !Metric Dimensions | ||
!SAE (Inch) Dimensions | !SAE (Inch) Dimensions | ||
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− | |Rod + | + | |Rod + Bearing Variance |
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|49.0271 - 49.0411 mm | |49.0271 - 49.0411 mm | ||
|1.93020 - 1.93075 inch | |1.93020 - 1.93075 inch | ||
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− | |Nominal | + | |Nominal Rod Bearing Clearance |
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|0.0511 mm | |0.0511 mm | ||
|0.00201 inch | |0.00201 inch | ||
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− | |Bearing | + | |Bearing Clearance Variance |
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|0.0361 - 0.0660 mm | |0.0361 - 0.0660 mm | ||
|0.00142 - 0.00260 inch | |0.00142 - 0.00260 inch | ||
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− | |Bearing | + | |Bearing Clearance per Journal inch |
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|0.00104 inch/inch | |0.00104 inch/inch | ||
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− | |Bearing | + | |Bearing Clearance per Journal Inch Variance |
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|0.00074 - 0.00135 inch/inch | |0.00074 - 0.00135 inch/inch |
Revision as of 03:29, 16 December 2016
Contents
Rod Journal Dimensions
Crankshaft Rod Journals | Metric Dimensions | SAE (Inch) Dimensions |
---|---|---|
Rod Journal Dimensions | 48.9830mm | 1.92846 inch |
Rod Journal Variance | 48.9750 - 48.9910 mm | 1.92815 - 1.92878 inch |
Rod Journal Tolerance | -0.0080, +0.0080 mm | -0.00031, +0.00031 inch |
Bearings Specification, Dimensions, Clearance
OEM 439/440 Bearings
Production and Composition
The composition is a standard babbit lead/copper bearing. They are soft faced, and easy on the crankshaft.
Manufacturer: Clevite. Clevite logo is seen on the back of the bearings.
Composition: Trimetal lead/copper
Bearing Dimensions (439/440 Bearings) | Metric Dimensions | SAE (Inch) Dimensions |
---|---|---|
Bearing Width (Blue, Red) | 15.8140 mm | 0.62260 inch |
Nominal Bearing Thickness (Top, Blue) | 1.9990 mm | 0.07870 inch |
Nominal Bearing Thickness (Bottom, Red) | 1.9939 mm | 0.07850 inch |
Bearing Thickness Variance (Top, Blue) | 1.9964 - 2.0041 mm | 0.07860 - 0.07890 inch |
Bearing Thickness Variance (Bottom, Red) | 1.9939 - 1.9939 mm | 0.07850 - 0.07850 inch |
Bearing Tolerance (Top, Blue) | -0.0025 - 0.0051 mm | -0.00010 - +0.00020 inch |
Bearing Tolerance (Bottom, Red) | 0.0000 - 0.0000 mm | 0.00000 - +0.00000 inch |
Bearing Clearance Specifications
Con Rod Clearance (439/440 Bearings) | Metric Dimensions | SAE (Inch) Dimensions |
---|---|---|
Rod + Bearing Dimensions | 49.0364 mm | 1.93057 inch |
Rod + Bearing Variance | 49.0271 - 49.0411 mm | 1.93020 - 1.93075 inch |
Nominal Rod Bearing Clearance | 0.0511 mm | 0.00201 inch |
Bearing Clearance Variance | 0.0361 - 0.0660 mm | 0.00142 - 0.00260 inch |
Bearing Clearance Tolerance | -0.0150 - +0.0150 mm | -0.00059 - +0.00059 inch |
Bearing Clearance per Journal inch | 0.00104 inch/inch | |
Bearing Clearance per Journal Inch Variance | 0.00074 - 0.00135 inch/inch | |
Bearing Eccentricity | 0.0127 mm | 0.00050 inch |
Bearing Eccentricity Variance | 0.0076 - 0.0292 mm | 0.00030 - 0.00115 inch |
Bearing Eccentricity Tolerance | -0.0051 - +0.0165 mm | -0.00020 - +0.00065 inch |