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ACL Bearings set (ACL Race Series) - BMW 6B1490H-.25
ACL Bearings set (ACL Race Series) - BMW 6B1490H-.25
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NOTE!! ORDER ITEM! DELIVERY TIME 4-7 DAYS!
ACL Race Series Trimetal Engine Bearings
The unique combination of thoughtful design, advanced metallurgy, and precision engineering allows ACL Race Series Trimetal engine bearings to deliver the performance and reliability required in high-performance engines. The bearings are developed to withstand high RPMs and extreme loads, making them ideal for both performance engines and motorsport.
ACL Race Series engine bearings are available for many popular 4-, 6-, and 8-cylinder engines and are designed to provide optimal durability, stable lubrication, and precise tolerances – even under the most demanding operating conditions.
Features:
High-strength overlay coating with reduced thickness for improved fatigue resistance
Hardened steel backs on all connecting rod bearings for better support of the bearing surface and more secure fixation in the housing
Increased crush for improved fit and better retention in the bearing bore
No flash plating on the back of the bearings, which improves heat transfer and maximizes grip between the bearing and the housing
Increased eccentricity to compensate for deformation at high RPMs and to promote the formation of hydrodynamic oil films
3/4-grooved main bearings for optimized load area and improved oil flow to the connecting rod bearings
Tight and consistent wall thickness tolerances to ensure precise bearing clearances
Enlarged internal chamfers at bearing edges where required to accommodate crankshafts with larger fillet radii in high-performance engines
ACL Race Series engine bearings are developed for maximum durability, improved lubrication, and reliable performance – a clear choice for serious engine builds where quality and performance are paramount. 🚗
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Tunnel [mm]48.000 / 48.016
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Shaft [mm]44.975 / 44.991
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Max. Wall1.49
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Max. Length18
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Half typeIdentical halves
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Weight [KG]:0.2
MakeModelEngineVariantBMW3 (E30)M20B27325 e 2.7BMW3 (E30)M20B27325 e 2.7BMW3 (E30)M20B25325 iBMW3 (E30)M20B25325 iBMW3 (E30)M20B27325 e 2.7BMW3 (E30)M20B25325 i XBMW3 (E30)M20B25325 iBMW3 (E30)M20B25325 iBMW3 (E30)M20B25325 i XBMW3 (E30)M20B25325 i XBMW3 (E36)M50B25325 iBMW3 (E36)M50B20320 iBMW3 (E36)M52B20320 iBMW3 (E36)M52B25323 iBMW3 (E36)M52B28328 iBMW3 (E46)M52B20320 iBMW3 (E46)M52B25323 iBMW3 (E46)M52B28328 iBMW3 (E46)M54B22320 iBMW3 (E46)M54B25325 iBMW3 (E46)M54B25325 xiBMW3 (E46)M54B30330 iBMW3 (E46)M54B30330 xiBMW3 (E46)M54B30330 iBMW3 Compact (E36)M52B25323 tiBMW3 Compact (E36)M52B25323 tiBMW3 Compact (E46)M54B25325 tiBMW3 Convertible (E30)M20B25325 iBMW3 Convertible (E30)M20B25325 iBMW3 Convertible (E30)M20B25325 iBMW3 Convertible (E36)M50B25325 iBMW3 Convertible (E36)M50B20320 iBMW3 Convertible (E36)M52B20320 iBMW3 Convertible (E36)M52B25323 iBMW3 Convertible (E36)M52B28328 iBMW3 Convertible (E46)M52B25323 CiBMW3 Convertible (E46)M54B25325 CiBMW3 Convertible (E46)M54B30330 CiBMW3 Convertible (E46)M54B22320 CiBMW3 Convertible (E46)M54B22320 CiBMW3 Touring (E30)M20B25325 iBMW3 Touring (E30)M20B25325 iBMW3 Touring (E30)M20B25325 i XBMW3 Touring (E30)M20B25325 i XBMW3 Touring (E36)M52B20320 iBMW3 Touring (E36)M52B25323 iBMW3 Touring (E36)M52B28328 iBMW3 Touring (E46)M52B20320 iBMW3 Touring (E46)M52B28328 iBMW3 Touring (E46)M54B22320 iBMW3 Touring (E46)M54B25325 iBMW3 Touring (E46)M54B25325 xiBMW3 Touring (E46)M54B30330 iBMW3 Touring (E46)M54B30330 xiBMW3 coupe (E36)M50B25325 iBMW3 coupe (E36)M50B25325 isBMW3 coupe (E36)M50B20320 iBMW3 coupe (E36)M52B20320 iBMW3 coupe (E36)M52B25323 iBMW3 coupe (E36)M52B28328 iBMW3 coupe (E46)M52B28328 CiBMW3 coupe (E46)M52B25323 CiBMW3 coupe (E46)M52B20320 CiBMW3 coupe (E46)M54B22320 CiBMW3 coupe (E46)M54B25325 CiBMW3 coupe (E46)M54B30330 CiBMW3 coupe (E46)M54B30330 xiBMW320, 520, Z3M50B20DOHC 24vBMW320, 520, Z3M52B20DOHC 24vBMW320, 520, Z3M20B20SOHC 12vBMW323M20B23SOHC 12vBMW325M50B27DOHC 24vBMW325M20B27SOHC 12vBMW325, 525, Z4M50B25DOHC 24vBMW325, 525, Z4M52B25DOHC 24vBMW325, 525, Z4M54B25DOHC 24vBMW325, 525, Z4M20B25SOHC 12vBMW328, 528, Z3M52B28DOHC 24vBMW330, 530, X3, Z3, Z4M54B30DOHC 24vBMW5 (E28)M20B27525 eBMW5 (E28)M20B27525 eBMW5 (E34)M20B25525 iBMW5 (E34)M20B25525 iBMW5 (E34)M50B20520 i 24VBMW5 (E34)M50B25525 i 24VBMW5 (E34)M50B25525 iX 24VBMW5 (E39)M52B25523 iBMW5 (E39)M52B28528 iBMW5 (E39)M52B20520 iBMW5 (E39)M54B22520 iBMW5 (E39)M54B25525 iBMW5 (E39)M54B30530 iBMW5 (E60)M54B30530 iBMW5 (E60)M54B25525 iBMW5 (E60)M54B22520 iBMW5 Touring (E34)M50B20520 iBMW5 Touring (E34)M50B25525 iBMW5 Touring (E34)M50B25525 ixBMW5 Touring (E39)M52B28528 iBMW5 Touring (E39)M52B25523 iBMW5 Touring (E39)M52B20520 iBMW5 Touring (E39)M52B25523 iBMW5 Touring (E39)M54B22520 iBMW5 Touring (E39)M54B30530 iBMW5 Touring (E39)M54B25525 iBMW5 Touring (E61)M54B25525 iBMW7 (E38)M52B28728 i, iLBMW7 (E65, E66, E67)M54B30730 i, LiBMWX3 (E83)M54B303.0 i xDriveBMWX3 (E83)M54B252.5 iBMWX5 (E53)M54B303.0 iBMWZ1 RoadsterM20B252.5BMWZ1 RoadsterM20B252.5BMWZ3M54B22DOHC 24vBMWZ3 Roadster (E36)M52B282.8 iBMWZ3 Roadster (E36)M52B202.0 iBMWZ3 Roadster (E36)M54B222.2 iBMWZ3 Roadster (E36)M54B303.0 iBMWZ3 coupe (E36)M52B282.8 iBMWZ3 coupe (E36)M54B303.0 iBMWZ4 Roadster (E85)M54B252.5 iBMWZ4 Roadster (E85)M54B303.0 iBMWZ4 Roadster (E85)M54B222.2 i
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