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Clevite H-Series Rod Bearings CB-743HN

Clevite Engine Parts CB-743HN - Clevite H-Series Rod Bearings
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Rod Bearing, H Series, Standard Size, TM-77, Chevy, 348, 409, 366, 396, 402, 427, 454, Each

Estimated Ship Date: ...Loading Tuesday 5/26/2020
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Brand: Clevite Engine Parts

Manufacturer's Part Number: CB-743HN

Part Type: Rod Bearings

Product Line: Clevite H-Series Rod Bearings

Summit Racing Part Number: CLE-CB743HN

UPC: 27067538635

Bearing Usage: Performance

Engine Crankshaft Undersize (in): Stock

Engine Crankshaft Undersize (mm): Stock

Bearing Material: Tri-metal, TM-77

Dowel Pin Hole: No

Narrow Bearing: Yes

Quantity: Sold individually.

In-Store Pickup: Choose In-store pick-up (OH, NV, GA, TX) on our web site.

Clevite H-Series rod bearings were developed primarily for use in NASCAR type racing but are suitable for all types of competition engines. These H-Series bearings have a medium level of eccentricity, high crush factor, and have hardened steel backs and thin overlays. They also have enlarged chamfers for greater crankshaft fillet clearance and are made without flash plating for better seating.

Bearings with .001 in. extra clearance are available for standard size shafts and with or without dowel holes. H-Series bearings are recommended for use with crankshafts that have oversize fillets and where engines run in the medium to high rpm range. They should also be used if contact patterns obtained with Clevite P-Series bearings are too narrow. Contact patterns should ideally cover 2/3 to 3/4 of the bearing surface.

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Questions & Answers Ask a Product Question
Q:

i have a 496 bbc with a scat rotating assembly that i'm preparing to freshen up. it has a cast crankshaft, not a forged assembly. would it be acceptable to use the narrowed h series rod and main bearings with the cast crankshaft or would you recommend different bearings? thanks for the help.

Asked by CLINT on May 10, 2020

A:

I would recommend going back with what was originally installed , narrow rod bearings are generally used with crankshafts that have larger fillet areas , scat should be able to give you a recommendation of what to use with your rotating assembly .

JASON R from NE answered on May 10, 2020

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Some parts are not legal for use in California or other states with similar laws / regulations

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