Description
CL 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 for STD size only
| Sizes | STD, .025, .25 |
| Tunnel [mm] | 51.000 / 51.013 |
| Shaft [mm] | 47.956 / 47.974 |
| Max. Wall | 1.503 |
| Max. Length | 19.1 |
| Half type | Identical halves |
| Note | Suits GTi-R engines with 19.10mm wide bearings. |
| Weight | 0.16 |
Engine Compatibility:
– Nissan SR20DET (GTi-R Pulsar RNN14)
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