Nissan RB30S, RB30E, RB30ET Engine Bearings

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 ENGINE BEARINGS

CON ROD BEARING SET

MAIN BEARING SET

Part# Part#
6B2390H


6B2390HX

 
7M2394H

 
7M2394HX

 
Sizes STD, .025, .25, .50 STD STD, .025, .25, .50 STD
Oil Clearance Standard + 0.001" Extra Standard + 0.001" Extra
Half Type Identical Halves Upper & Lower
Material

Tri-metal Hardened steel backs

Tri-Metal
Min Std Shaft Size

1.967in / 49.961mm

2.1634in / 54.951mm

Max Std Shaft Size
1.9675in / 49.974mm

2.1644in / 54.975mm

Min Std Tunnel Size

2.0866in / 53mm

2.3089in / 58.645mm

Max Std Tunnel Size

2.087in / 53.011mm

2.3094in / 58.658mm

Max Wall at Crown

0.0592in / 1.503mm

0.0587in / 1.49mm

0.0719in / 1.827mm

0.0714in / 1.814mm

Max Overall Length

0.6732in / 17.1mm

0.7528in / 19.12mm   (2394H/HX)

1.061in / 26.95mm     (2395H/HX - Flange)

Notes

Diagram       
(Top View) 

2394H & HX- Positions 1,2,3,5,6,7

2395H & HX- Position 4

 PISTON PIN BUSH
Part# RB4074 Material Copper Lead
Sizes Notes

 
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