ACL Race Series Rod Bearing Set | B Series

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• High strength overlay plate with reduced thickness for improved fatigue properties
• Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.
• Increased crush for improved bearing retention
• Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.
• Increased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.
• 3/4 grooved Main Bearings to optimize bearing load carrying surface area and oil flow to the conrod bearings.
• Tight consistent wall tolerances to help you maintain consistent clearances.
• Enlarged ID chamfers on bearing edges where required to accommodate large fillet radius on performance crankshafts.

Sizes	STD, .025, .25
Oil Clearance
Half Type	Identical halves
Material	F781
Min. Std Shaft Size	44,98 mm / 1.7709 in
Max. Std Shaft Size	45 mm / 1.7717 in
Min. Std Tunnel Size	48 mm / 1.8898 in
Max. Std Tunnel Size	48,024 mm / 1.8907 in
Max Wall at Crown	1,504 mm / 0.0592 in
Max Overall Length	19,5 mm / 0.7677 in
Notes
Diagrams	1946H