ACL Race Main bearings BMW M20 04.88- M50/52/54/S50/S54 (STD)

ACL 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: 7M1532H
Bearing size: STD
Bearing half type: Upper & lower
Bearing material: F780

Technical data (mm)

Max overall length: 20
Max shaft size: 59.99
Max tunnel size: 65.019
Max vertical oil clearance: 0.088
Max wall at crown: 2.488
Min shaft size: 59.971
Min tunnel size: 65
Min vertical oil clearance: 0.034

Technical data (in)

Max overall length: 0.7874
Max shaft size: 2.3618
Max tunnel size: 2.5598
Max vertical oil clearance: 0.0035
Max wall at crown: 0.098
Min shaft size: 2.3611
Min tunnel size: 2.5591
Min vertical oil clearance: 0.0013

Engine code

Not for ETA Block

M20B20 / M20B23 / M20B25 / M20B27 / M21D24 W / M21D24 WA / M50B20 / M50B20TU / M50B25 / M50B25TU / M51D25 / M51D25 (Int) / M52B20 / M52B20TU / M52B25 / M52B25TU / M52B28 / M52B28TU / M54B22 / M54B25 / M54B30 / M57D25 / M57D30 / M57N 306 D2 / M57N 306 D4 / S50B30 / S50B32 / S52B32 / S54B32 / X25TD / Y25TD

Application

BMW M20B20 1991cc Inline6 SOHC 2v
BMW M20B23 2315cc Inline6 SOHC 2v
BMW M20B25 2494cc Inline6 SOHC 2v
BMW M20B27 2693cc Inline6 SOHC 2v
BMW M21D24 W 2443cc Inline6 SOHC 2v Diesel
BMW M21D24 WA 2443cc Inline6 SOHC 2v Turbo Diesel
BMW M50B20 1991cc Inline6 DOHC 4v
BMW M50B20TU 1991cc Inline6 DOHC 4v
BMW M50B25 2494cc Inline6 DOHC 4v
BMW M50B25TU 2494cc Inline6 DOHC 4v
BMW M51D25 2498cc Inline6 SOHC 2v Turbo Diesel
BMW M51D25 2498cc Inline6 SOHC 2v Turbo Diesel (Int)
BMW M52B20 1991cc Inline6 DOHC 4v
BMW M52B20TU 1991cc Inline6 DOHC 4v
BMW M52B25 2494cc Inline6 DOHC 4v
BMW M52B25TU 2494cc Inline6 DOHC 4v
BMW M52B28 2793cc Inline6 DOHC 4v
BMW M52B28TU 2793cc Inline6 DOHC 4v
BMW M54B22 2171cc Inline6 DOHC 4v
BMW M54B25 2494cc Inline6 DOHC 4v
BMW M54B30 2979cc Inline6 DOHC 4v
BMW M57D25 2497cc Inline6 DOHC 4v Turbo Diesel
BMW M57D30 2926cc Inline6 DOHC 4v Turbo Diesel
BMW M57N 306 D2 2993cc Inline6 DOHC 4v Turbo Diesel
BMW M57N 306 D4 2993cc Inline6 DOHC 4v Turbo Diesel
BMW S50B30 2990cc Inline6 DOHC 4v
BMW S50B32 3201cc Inline6 DOHC 4v
BMW S52B32 3152cc Inline6 DOHC 4v
BMW S54B32 3246cc Inline6 DOHC 4v
Opel X25TD 2498cc (BMW) Inline6 SOHC 2v Turbo Diesel
Opel Y25TD 2497cc (BMW) Inline6 SOHC 2v Turbo Diesel
Rover M57D30 2926cc Inline6 DOHC 4v Turbo Diesel