ACL Race Main Bearing Set (STD) Fits Nissan RB20/RB25/RB30/RD287M2394H-STD
Quantity exceeds our current inventory for this item.
Additional items will be placed on backorder.
2In Stock - Kirrawee, NSW
Ships in 1-3 business days
Available for back order
Lead time 3-7 Days
Click & Collect available from Kirrawee, NSW
Delivery
SHIPPING INFO:
For orders dispatched from/within Australia we use the services of, Border Express, Australia Post Registered & Express, and local couriers for Sydney Metro deliveries.
Please note that in some circumstances we are not able to use your chosen shipping method.
For international orders we use the services of DHL/UPS. Please note that International Orders require longer processing times and may take up to 1-2 days to ship if the item is in stock.
ShareDescription
ACL Race Series performance engine bearings are manufactured to exacting tolerances. Micron tolerance machining supported by precision measurement systems delivers consistent accuracy to key characteristics like wall thickness and crush. This ensures a reliable fit and helps maintain consistent clearances.
- 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 their 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 were required to accommodate a large fillet radius on performance crankshafts.
Specifications
| Sizes | STD, .025, .25, .50 |
| Tunnel [mm] | 58.645/58.658 |
| Shaft [mm] | 54.951/54.975 |
| Max. Wall | 1.827 |
| Max. Length | 19.12 |
| Half type | Upper & Lower |
| Weight | 0.40 |
Engine Compatibility:
- Nissan RB20DE/T
- Nissan RB25DE/T
- Nissan RB30E/T
- Nissan RD28
Specifications
SKU 7M2394H-STD
Availability 3-7 Days
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