ACL Race Conrod bearings BMW M40/42/43/44 (.025)
ACL
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Write a reviewACL bearings are used for tuning and engine upgrades where you want better quality with higher bearing capacity than normal standard bearings.
Improvements of material, dynamic thickness, heat conduction, oil grooves and oil distribution are some of the points that make ACL one of the leading bearing manufacturers.
Bearing data
Part number: 4B1490H
Bearing size: .025
Bearing half type: Identical halves
Bearing material: F781
Technical data (mm)
Max overall length: 18
Max shaft size: 44.991
Max tunnel size: 48.016
Max vertical oil clearance: 0.077
Max wall at crown: 1.49
Min shaft size: 44.975
Min tunnel size: 48
Min vertical oil clearance: 0.029
Technical data (in)
Max overall length: 0.7087
Max shaft size: 1.7713
Max tunnel size: 1.8904
Max vertical oil clearance: 0.003
Max wall at crown: 0.0587
Min shaft size: 1.7707
Min tunnel size: 1.8898
Min vertical oil clearance: 0.0011
Engine code
M40B16 / M40B18 / M42B18 / M43B16 / M43B18 / M43B19 (TU) / M44B19
Application
BMW M40B16 1596cc Inline4 SOHC 2v
BMW M40B18 1796cc Inline4 SOHC 2v
BMW M42B18 1796cc Inline4 DOHC 4v
BMW M43B16 1596cc Inline4 SOHC 2v
BMW M43B18 1796cc Inline4 SOHC 2v
BMW M43B19 (TU) 1895cc Inline4 SOHC 2v
BMW M44B19 1895cc Inline4 DOHC 4v
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Guides & Info
| Bilmärke | BMW |
| Engine code | M40 |
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