Clevite Crankshaft Bearing Sets (H and HX Series)

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Description

Clevite crankshaft bearing sets for DOHC 3000GT and Stealth engines. These bearings come in standard size. They include crankshaft main bearings, connecting rod bearings, and thrust bearings.

We now have them in a coated version. This coating is very helpful on cold engine start ups. During this event, the engine is generally starved for oil for the first bit of running. The coating not only reduces friction, but it makes the surface of the bearing more durable. It can also cause a decrease in oil temperatures and allow for tighter bearing clearances without scuffing the bearings surface.

Coated bearings can have up to a 2 week turn around time.

These bearings are identified by a letter h or hN in the part number suffix. Part numbering is based on the same core number as the standard passenger car parts for the same application. These bearings were developed primarily for use in NaSCaR type racing, but are suitable for all types of competition engines. H-Series bearings have a medium level of eccentricity, high crush, and rod bearings have a hardened steel back and thin overlay. These bearings also have enlarged chamfers for greater crankshaft fillet clearance and are made without flash plating for better seating. Bearings with .001” extra clearance are available for standard size shafts and carry the suffix Precision wall tolerance ± .00015” with strong, extra-thin overlays to withstand high loading and resist flaking. High crush for better seating and retention. Medium eccentricity. Unplated hardened steel backing for better dimensional accuracy and bore contact. HX (X = extra clearance). Rod bearings are available with or without dowel holes (hD = with, h = without), main bearings are available with standard 180 degrees upper half grooving and with full 360 degrees grooving (h = 180 degrees, hG = 360 degrees). Use h-Series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPm range. h-Series bearings should be used if contact patterns obtained with P-Series parts are too narrow. Contact patterns should ideally cover 2/3 to 3/4 of the bearing surface. See accompanying contact pattern diagrams. If you aren’t sure which type of performance bearing to start with, the h-Series bearing will be your best choice.

Additional information

Weight 2 lbs
Dimensions 6 x 4 x 4 in
Select Bearing Style

H Series, HX (extra clearance) Series

Select Coating

Not Coated, Coated

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