ACL - Main bearing set for Renault F4R R3, version : 0.50
Description
The ACL Race Series main bearing shells with repair rib 0.50 mm M7819H-050 are specially designed for Renault F4R R3 engines that have undergone crankshaft grinding. They ensure a perfect fit, which is essential in competition to maintain reliability and performance.
Manufactured from high-quality tri-metal alloy (hardened steel, copper, lead/tin), these bearings ensure excellent heat dissipation, maximum pressure resistance and significantly reduced friction, even at very high revolutions per minute.
Why choose ACL Race bearings with a 0.50 mm repair rib?
- Specially designed for rebored crankshafts (repair rib -0.50 mm)
- Controlled tolerances for micrometric adjustment
- Perfectly suited to extreme use: rally, endurance, track day, hill climb
- Compatible with highly stressed F4R engine preparations
Technical specifications:
- Supplier reference: 5M7819H-050
- Tolerance: Repair -0.50 mm (undersize)
- Material: Tri-metal alloy (steel, copper, lead/tin)
- Finish: Motorsport specification, high-precision machining
- Use: Prepared engine, competition, motor sport
Key advantages:
- Suitable for ground crankshafts
- Improved mechanical strength at high revolutions per minute
- Improved oiling and heat dissipation
- Increased durability under heavy loads
- Precise fit for maximum performance
Dimensions:
- Maximum overall length: 19.05 mm
- Maximum axle size: 51.495 mm
- Maximum tunnel size: 51.465 mm
- Maximum vertical oil clearance: 54.035 mm
- Maximum crown wall: 54.000 mm
- Minimum wheel-drive assembly size: 0.063 mm
- Minimum tunnel size: 0.025 mm
- Minimum vertical oil clearance: 1.270 mm
Caution: Clearances must be checked with a feeler gauge or micrometer to ensure correct installation.
Compatibility:
- Engine: Renault Sport F4R R3
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