GM - Chevrolet 366, 396, 402, 427, 454 V8 Engine Bearings

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 ENGINE BEARINGS

CON ROD BEARING SET

MAIN BEARING SET

Part# Part#
1B743H


1B743HX

 
5M829H

 
5M829HX

 
Sizes STD, 01, 09, 10, 11, 20 STD STD, 01, 09, 10, 11, 20 STD
Oil Clearance Standard + 0.001" Extra Standard + 0.001" Extra
Half Type Upper & Lower Upper & Lower
Material

Tri-metal Hardened steel backs

Tri-Metal
Min Std Shaft Size

2.1990" / 55.855mm

2.7482" / 69.804mm

Max Std Shaft Size

2.2000" / 55.880mm

2.7492" / 69.830mm

Min Std Tunnel Size

2.3247" / 59.047mm

2.9370" / 74.600mm

Max Std Tunnel Size

2.3252" / 59.060mm

2.9380" / 74.625mm

Max Wall at Crown

0.0619" / 1.572mm

0.0614" / 1.559mm

0.0934" / 2.372mm

0.0929" / 2.359mm

Max Overall Length

0.889" / 22.58mm

1.043" / 26.50mm     (7102H/HX)

1.811" / 46.00mm     (7103H/HX - Flange)

Notes

Diagram       
(Top View) 

7102H & HX - Positions 1, 2, 3, 4

7103H & HX - Position 5

 
Part#

5C615S *

5C616S **

Material Lead Babbitt
Sizes STD Notes

* 1965-66

** 1967 on


 
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