Alfa Romeo Twin Cam Engine Bearings

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 ENGINE BEARINGS

CON ROD BEARING SET

MAIN BEARING SET

Part# Part#
4B1110H




 
5M1112H

 


 
Sizes STD, .25 STD, .25
Oil Clearance Standard Standard
Half Type Identical Halves Identical Halves
Material

Tri-metal Hardened steel backs

Tri-metal
Min Std Shaft Size

1.9680in / 49.987mm

2.3606in / 59.959mm
Max Std Shaft Size

1.9685in / 50.000mm

2.3611in / 59.972mm
Min Std Tunnel Size

2.1139in / 53.693mm

2.5062in / 63.657mm
Max Std Tunnel Size

2.1145in / 53.708mm

2.5069in / 63.675mm
Max Wall at Crown

0.0723in / 1.836mm

0.0720in / 1.829mm
Max Overall Length

0.923in / 23.44mm

0.723in / 18.36mm #2, 4 (1113H)

1.005in / 25.52mm #1, 3, 5  (1112H)

Notes Set contains 6 x 1112H and 4 x 1113H shells.

Diagram       
(Top View) 

 
Part# Material
Sizes Notes

 
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