Product Description
Clevite H-Series Rod Bearings
Rod Bearing, H Series, .020 in. Crankshaft Undersize, TM-77, Chevy, Small Block, Each
Brand:
Clevite Engine Parts
Manufacturer's Part Number:
CB-663HN-20
Part Type:
Rod Bearings
Product Line:
Clevite H-Series Rod Bearings
Summit Racing Part Number:
CLE-CB663HN20
UPC:
27067537362
Bearing Usage:
Performance
Engine Crankshaft Undersize (in.):
0.020 in.
Engine Crankshaft Undersize (mm):
0.50mm
Bearing Material:
Tri-metal, TM-77
Dowel Pin Hole:
No
Narrow Bearing:
Yes
Quantity:
Sold individually.
Clevite H-Series Rod Bearings
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.
