ACL Race Main Bearing Set HX (STD) "Extra Oil Clearance"Fits Nissan RB26DETT7M2428HX-STD
Quantity exceeds our current inventory for this item.
Additional items will be placed on backorder.
1In 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
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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 plateĀ with reduced thickness for improved fatigue properties
- Hardened steel backsĀ on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.
- Increased crushĀ for improved bearing retention
- Elimination of flash platingĀ 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 eccentricityĀ to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.
- 3/4 grooved Main BearingsĀ to optimize bearing load carrying surface area and oil flow to the conrod bearings.
- Tight, consistent wall tolerancesĀ to help you maintain consistent clearances.
- Enlarged ID chamfersĀ on bearing edges were required to accommodate a large fillet radius on performance crankshafts.
Specifications
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 plateĀ with reduced thickness for improved fatigue properties
- Hardened steel backsĀ on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.
- Increased crushĀ for improved bearing retention
- Elimination of flash platingĀ 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 eccentricityĀ to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.
- 3/4 grooved Main BearingsĀ to optimize bearing load carrying surface area and oil flow to the conrod bearings.
- Tight, consistent wall tolerancesĀ to help you maintain consistent clearances.
- Enlarged ID chamfersĀ on bearing edges were required to accommodate a large fillet radius on performance crankshafts.
Specifications
| Sizes | STD |
| Oil Clearance | |
| Half Type | Upper & lower |
| Material | F780 |
| Min. Std Shaft Size | 54,951 mm / 2.1634 in |
| Max. Std Shaft Size | 54,975 mm / 2.1644 in |
| Min. Std Tunnel Size | 58,645 mm / 2.3089 in |
| Max. Std Tunnel Size | 58,658 mm / 2.3094 in |
| Max Wall at Crown | 1,814 mm / 0.0714 in |
| Max Overall Length |
26,95 mm / 1.0610 inĀ (2428HX(F))
20 mm / 0.7874 inĀ (2429HX)
|
| Notes | |
| Diagrams |
Engine Compatibility:
- Nissan RB26DETT
Specifications
SKU 7M2428HX-STD
Availability 3-7 Days
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