BMW M20 M50 M52 M54 ACL Race connecting rod bearings

ENGINE BEARINGS
rods.jpg
CON ROD BEARING SET

Part#
6B1490H

6B1490HX

Sizes STD, .025, .25, .50 STD
Oil Clearance Standard + 0.001″ Extra
Half Type Identical Halves
Material
Tri-metal Hardened steel backs

Min Std Shaft Size
1.7707in / 44.975mm

Max Std Shaft Size
1.7713in / 44.991mm

Min Std Tunnel Size
1.8898in / 48.000mm

Max Std Tunnel Size
1.8904in / 48.016mm

Max Wall at Crown
0.0588in / 1.493mm

0.0583in / 1.481mm

Max Overall Length
0.709in / 18.00mm

Notes
Diagram
(Top View)

6B1490H_000.GIF
Engines BMW – 2.0 2.3 2.5 2.7 2.8 3.0 (M20B20, M20B25, M20B27, M50B20,
M50B25, M50B27, M52B20, M52B25, M52B28, M54B25, M54B22, M54B30)