Honda H22A4 Engine Bearings

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 ENGINE BEARINGS

CON ROD BEARING SET

MAIN BEARING SET

Part# Part#
4B1912H


4B1912HX

 
5M1957H

 
5M1957HX

 
Sizes STD, 025, .25 STD STD, 025, .25 STD
Oil Clearance Standard + 0.001" Extra Standard + 0.001" Extra
Half Type Identical Halves Identical Halves
Material

Tri-metal Hardened steel backs

Tri-Metal
Min Std Shaft Size

1.8890" / 47.980mm

2.1646" / 54.980mm

Max Std Shaft Size

1.8898" / 48.000mm

2.1654" / 55.000mm

Min Std Tunnel Size

2.008" / 51.004mm

2.3228" / 59.000mm

Max Std Tunnel Size

2.0088" / 51.024mm

2.3236" / 59.020mm

Max Wall at Crown

0.0589" / 1.496mm

0.0584" / 1.483mm

0.0790" / 2.007mm

0.0785" /1.994mm

Max Overall Length

0.764" / 19.40mm

0.787" / 20.00mm

Notes

Diagram       
(Top View) 

 THRUSTWASHER SET
Part# 1T1957 Material Aluminum Tin
Sizes STD Notes Identical Halves

 
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