Difference between revisions of "Engine Specs - S54 Rod Bearings"

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(Production and Composition)
(Bearing Clearance Specifications)
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{|
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  |Con Rod
 +
<nowiki> </nowiki> Clearance (439/440 Bearings)
 +
  |Metric Dimensions
 +
  |SAE (Inch) Dimensions
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 +
|-
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  |Rod + Bearing Dimensions
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  |49.0364 mm
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  |1.93057 inch
 +
 +
|-
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  |Rod +
 +
<nowiki> </nowiki> Bearing Variance
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  |49.0271 - 49.0411 mm
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  |1.93020 - 1.93075 inch
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 +
|-
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  |Nominal
 +
<nowiki> </nowiki> Rod Bearing Clearance
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  |0.0511 mm
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  |0.00201 inch
 +
 +
|-
 +
  |Bearing
 +
<nowiki> </nowiki> Clearance Variance
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  |0.0361 - 0.0660 mm
 +
  |0.00142 - 0.00260 inch
 +
 +
|-
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  |Bearing Clearance Tolerance
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  |<nowiki>-0.0150 - +0.0150 mm</nowiki>
 +
  |<nowiki>-0.00059 - +0.00059 inch</nowiki>
 +
 +
|-
 +
  |Bearing
 +
<nowiki> </nowiki> Clearance per Journal inch
 +
  | 
 +
  |0.00104 inch/inch
 +
 +
|-
 +
  |Bearing
 +
<nowiki> </nowiki> Clearance per Journal Inch Variance (1)
 +
  |
 +
  |0.00074 - 0.00135 inch/inch
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 +
|-
 +
  |Bearing Eccentricity
 +
  |0.0127 mm
 +
  |0.00050 inch
 +
 +
|-
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  |Bearing Eccentricity Variance
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  |0.0076 - 0.0292 mm
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  |0.00030 - 0.00115 inch
 +
 +
|-
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  |Bearing Eccentricity Tolerance
 +
  |<nowiki>-0.0051 - +0.0165 mm</nowiki>
 +
  |<nowiki>-0.00020 - +0.00065 inch</nowiki>
 +
|}

Revision as of 19:27, 15 December 2016


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 (088/089 Bearings) [* 1] Metric Dimensions SAE (Inch) Dimensions
Rod + Bearing Dimensions 52.0179 mm 2.04795 inch
Rod + Bearing Variance [* 1] 52.0154 - 52.0192 mm 2.04785 - 2.04800 inch
Nominal Rod Bearing Clearance 0.0368 mm 0.00145 inch
Bearing Clearance Variance [* 1] 0.0267 - 0.0406 mm 0.00105 - 0.00160 inch
Bearing Clearance Tolerance -0.0102 - +0.0038 mm -0.00040 - +0.00015 inch
Bearing Clearance per Journal inch   0.00071 inch/inch
Bearing Clearance per Journal Inch Variance [* 1] 0.00066 - 0.00073 inch/inch
Bearing Eccentricity 0.0216 mm 0.00085 inch
Bearing Eccentricity Variance 0.0178 - 0.0229 mm 0.00070 - 0.00090 inch
Bearing Eccentricity Tolerance -0.0038 - +0.0013 mm -0.00015 - +0.00005 inch


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 (1)

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


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