Racing Main Bearings For Nissan RB25DET RB20 RB25 RB30 - Tri-Metal, Coated - MB7008XPC

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XPC Series is King Bearings‘ premium race bearings, featuring the pMaxBlack™ overlay that increases hardness and topped by the innovative pMaxKote™ ceramic nano-composite polymer coating, that enhances wear & seizure resistance without altering the bearing's original wall thickness dimensions.
Commonly use for circle track, drag racing, off-shore, and other applications that utilize steel crankshafts. Features ceramic nano-composite polymer coating, that enhances wear & seizure resistance without altering the bearing's original wall thickness
Crankshaft Dim. Housing Dim. Length Thickness
54.98 / 54.95 mm
2.1644 / 2.1634 inch
58.66 / 58.65 mm
2.3094 / 2.3089 inch
Positions 1,2,3,5,6,7:
19.1 mm
0.752 inch

Position 4:
27.1 mm
1.065 inch
1.827 mm
0.0719 inch
Main Bearing Set For NISSAN RB25DET, 24V - MB7008XPC
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Performance features

Material features

Tech Features

Copper Based
Copper Based
Tri-Metal Copper based material

Leaded or Lead Free tri layers bearings for low to heavy load engines.

pMaxBlack™
pMaxBlack
Superior load capacity

Overlay features proprietary nano-scaled hardening process producing superior load capacity.

pMaxKote™
pMaxKote
Factory applied polymer coating

Inhouse developed Polymer coating for race applications, enhances seizure & wear resistance, with no added thickness.

U-Groove™
u-groove
Greater load surface

A 90⁰ oil groove shape, keep oil flow intact, increases bearing load capacity by expanding the surface area.

Radialock™
Radialock
Optimal crush height and heat transfer

An optimal crush height value obtained from an optimization process of each performance bearing crush height

Eccentrix™
Eccentrix
Superior hydrodynamic lubrication

An optimized eccentricity value reached through elasto-hydrodynamic analysis and dynamic calculations.

Bulls Eye™
Bull's Eye Tolerance
PERFECT CLEARANCE IN EVERY SET

Outperforms the industry’s wall thickness tolerance, ensuring the least thickness variation shell-to-shell.

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