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Acl
ACL Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) Standard Size High Performance Main Bearing Se
acl5M8309H-STD
A$212.16
A$262.89
ACL BMW M40B16/18 (1.6L / 1.8L / 1.9L) Standard Main Bearing Set
ACL BMW M40B16/18 (1.6L / 1.8L / 1.9L) Standard Main Bearing Set
A$476.37
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Description
ACL Performance Race Series main bearing sets deliver everything performance bearings should be by utilizing design, metallurgy, engineering, precision quality control, and of course, years of knowledge and experience.
Main bearings feature multi-layered tri-metal copper alloy construction that blends characteristics to provide high strength and excellent seizure resistance. They are manufactured to exact tolerances ensuring a reliable fit and helping to maintain consistent clearances. Main bearings are augmented with extended grooves, as well as other bearing enhancements, like increased crush, bearing eccentricity, and enlarged I.D. chamfers.
ACL Performance Race Series main bearing sets are produced in standard and extra clearance versions, with or without friction reducer coating, and with modifications to meet specific build requirements, such as narrowed bearings that permit additional edge clearance when running crankshafts with exceptionally large fillet radii.
In the heat of competition proven technology always comes through. The choice for your build should always be ACL Performance Race Series engine bearings. Choose the main bearing set designed for your vehicle.
Product Overview
The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings.
Designed to withstand higher RPM conditions, ACL Race Series Connecting Rod Bearings are available for many of the popular 4, 6 & 8 cylinder applications and feature:
* *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.
Product Details
| Description: | BMW M44B19 1895cc Inline4 DOHC 4v |
|---|---|
| Grade Type: | Performance |
| Max Overall Length: | 0.787" (20.00mm) #1,2,4,5 0.982" (24.94mm) #3 thrust |
| Max Std Shaft Size: | 2.3618" (59.990mm) |
| Max Std Tunnel Size: | 2.5598" (65.019mm) |
| Max Wall at Crown: | 0.0980" (2.490mm) |
| Max Wall: | 0.098 |
| Min Std Shaft Size: | 2.3611" (59.971mm) |
| Min Std Tunnel Size: | 2.5591" (65.000mm) |
| Oil Clearance: | Standard |
| Outside Diameter: | 2.5591 |
| Part Number: | acl5M1538H-STD |
| Shaft Diameter: | 2.3611 |
| Size: | Standard |
| Width: | 0.787 |
Part Type
Main Bearings
Specifications
- Product Attributes - Brand
- ACL Race Series Performance Engine Bearings
- Product Attributes - Manufacturer's Part Number
- 5M1538H-STD
- Product Attributes - Part Type
- Main Bearings
- Product Attributes - Product Line
- ACL Performance Race Series Main Bearing Sets
- Product Attributes - UPC
- 9315726432853
- Product Attributes - Bearing Usage
- Performance
- Product Attributes - Engine Crankshaft Undersize (in.)
- Stock
- Product Attributes - Engine Crankshaft Undersize (mm)
- Stock
- Product Attributes - Grooved Bearing
- Yes
- Product Attributes - Groove Location
- Upper and lower
- Product Attributes - Groove Style
- 3/4
- Product Attributes - Thrust Bearing Oversize
- Stock
- Product Attributes - Bearing Material
- Tri-metal copper-lead alloy
- Product Attributes - Quantity
- Sold as a set of 5.
Reference Information
| Brand Name/s | Acl |
|---|---|
| StreetFX SKU | acl5M1538H-STD |
| SFX Item ID | 4072942 |
| Supplier Item Code | 4072942 |
| Manufacturer SKU | 5M1538H-STD |
| Manufacturer UPC | 9315726432853 |
| Alternative References | PEB-5M1538H-STD, M40B16/18, (1.6L, 1.8L, 1.9L) |
Compatibility
| Application Data |
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|---|
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