Main Bearing Set

Clevite 77 engine bearings have set the pace for engineering quality. Clevite 77 engine bearings are built above industry standards for strength and durability, even exceeding the highest standards set by heavy-duty engine manufacturers. The majority of Clevite 77 engine bearings utilize a superior Tri-Metal design first developed by Clevite 50 years ago and perfected over time. This design incorporates the strength of a copper-lead alloy layer on a precision steel back and finally; a precision electroplated white metal "Babbitt" surface layer. Tri-Metal is an ideal design, producing a degree of conform-ability, embed-ability, slipperiness and fatigue resistance, not found in much original equipment and competitive bi-metal bearings. LC Engineering uses only Clevite Bearings in all 20R/22R/RE applications.

NOTE: This bearing set will have Offset/Center locating tabs. No returns accepted for Standard size bearings, make sure your crank is within spec before ordering.

MAIN BEARING SIZE	CRANKSHAFT RANGE	MAIN BEARING OIL CLEARANCE
Standard Bearing	2.3616 in - 2.3622 in 59.984 mm - 60.000 mm	ENGINE	CLEARANCE
.25 mm (+.010")	2.3517 in - 2.3523 in 59.735 mm - 59.750 mm	20R	0.0010 in - 0.0022 in 0.025 mm - 0.055 mm
.50 mm (+.020")	2.3418 in - 2.3425 in 59.487 mm - 59.502 mm	22R/RE	0.0010 in - 0.0022 in 0.025 mm - 0.055 mm
.75 mm (+.030")	2.3320 in - 2.3326 in 59.238 mm - 59.253 mm	RACE OR HIGH PERFORMANCE / TURBO	0.0020 in – 0.0030 in 0.050 mm - 0.076 mm
OIL CLEARANCE NOT TO EXCEED 0.0031 in (0.078 mm)

Contact our Tech Support Line for further information at 928-575-2174.