Chevrolet 265, 283, 302, 327 Engine Bearings

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 ENGINE BEARINGS

CON ROD BEARING SET

MAIN BEARING SET

Part# Part#
8B745H


8B745HX

 
5M429H

 
5M429HX

 
Sizes STD, 001, 010 STD STD, 001, 010 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

1.999in / 50.775mm

2.2983in / 58.377mm

Max Std Shaft Size

2in / 50.8mm

2.2993in / 58.402mm

Min Std Tunnel Size

2.1247in / 53.967mm

2.4906in / 63.261mm

Max Std Tunnel Size

2.1252in / 53.98mm

2.4916in / 63.287mm

Max Wall at Crown

0.0621in / 1.577mm

0.0616in / 1.564mm

0.0954in / 2.423mm

0.0949in / 2.41mm

Max Overall Length

0.8417in / 21.38mm

0.8067in / 20.49mm    (2372H/HX)

1.7181in / 43.64mm    (7104H/HX - Flange)

Notes for 50.8mm journal

Diagram       
(Top View) 

2372H & HX - Positions 1, 2, 3, 4

7104H & HX - Position 5

 CAMSHAFT BEARING SET
Part#

5C3349C

5C3346C *

5C004AS **

5C004BS ***

Material Heavy Duty Aluminum TIn
Sizes STD Notes

*     housing bores constant at 1.999/2.001" (50.775/50.825mm)

**   +0.010" OD, housing bore 2.029/2.031" (51.537/51.587mm)

*** +0.020" OD, housing bore 2.039/2.041" (51.791/51.841mm)


 
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