ACL Race Bearings Main Bearings Standard Size 2013-2025 BRZ

Engineered for maximum durability under extreme conditions, these trimetal bearings are built to handle higher RPM demands with confidence. Featuring a high-strength overlay plate with reduced thickness, they deliver improved fatigue resistance and extended service life. Perfect for performance applications where reliability and strength are critical.

Features:

• 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.

Specifications:

• Half Type: Identical Halves
• Material: F780
• Min. Std Shaft Size: 67,985 mm / 2.6766 in
• Max. Std Shaft Size: 68,009 mm / 2.6775 in
• Min. Std Tunnel Size: 73,127 mm / 2.8740 in
• Max. Std Tunnel Size: 73,143 mm / 2.8746 in
• Max Wall at Crown: 2,505 mm / 0.0986 in
• Max Overall Length: 
  17,6 mm / 0.6929 in (8312H+005)
  14,5 mm / 0.5709 in (8313H+005)
  22,92 mm / 0.9024 in (8314H+005(F))

Note: Product photos are for reference only. Actual product may vary slightly in appearance due to manufacturer updates or variations.