5I7786 Engine Bearing Set 0.030in=0.75mm fit Caterpillar
5I7786 Engine Bearing Set 0.030in=0.75mm fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
Characteristics 5I7786 Engine Bearing Set 0.030in=0.75mm fit Caterpillar
5I7786 Engine Bearing Set 0.030 in = 0.75 mm
The 5I7786 engine bearing set is an undersize bearing set for Caterpillar equipment and is listed for Caterpillar engine-machine applications and Caterpillar excavators. The set corresponds to an undersize of 0.030 in, equivalent to 0.75 mm. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is identified by SKU 5I7786 and is listed in the engine bearings undersizes and oversize category. The available equipment information identifies Caterpillar as the manufacturer of the machines and engines on which the bearing set is used.
Fitment
The bearing set is listed for the following Caterpillar equipment and engine models:
- Caterpillar 3064
- Caterpillar 3066
- Caterpillar C4.2
- Caterpillar C6
- Caterpillar C6.4
- Caterpillar 311C
- Caterpillar 311D LRR
- Caterpillar 312C
- Caterpillar 312C L
- Caterpillar 312D
The listed application categories are Caterpillar engine-machine equipment and Caterpillar excavator equipment. Model designation, engine version, and bearing size should be checked against the engine being serviced before installation, because this product is specified for the 0.030 in / 0.75 mm undersize.
| Equipment brand | Caterpillar |
| Equipment categories | Engine-machine applications; excavators |
| Listed model | 3064 |
| Listed model | 3066 |
| Listed model | C4.2 |
| Listed model | C6 |
| Listed model | C6.4 |
| Listed model | 311C |
| Listed model | 311D LRR |
| Listed model | 312C |
| Listed model | 312C L |
| Listed model | 312D |
Cross-reference numbers
The part is identified under the following number formats:
| SKU | 5I7786 |
| Caterpillar part number format | 5I-7786 |
| Unhyphenated part number format | 5I7786 |
5I7786 and 5I-7786 refer to the same listed part-number sequence, with the hyphenated format used for the Caterpillar reference. No additional supplier cross-reference numbers are provided in the available product data.
Specifications
| Part type | Engine bearing set |
| Category | Engine bearings, undersizes and oversize |
| Undersize | 0.030 in |
| Undersize in millimetres | 0.75 mm |
| Part condition | New |
| Part type designation | Aftermarket spare part |
| Part manufacturer | CTP (Costex Tractor Parts) |
| Listed weight | 0.5 lb |
| Listed length | 6.5 cm |
| Listed width | 5.6 cm |
| Listed depth | 10.5 cm |
The available dimensions are 6.5 cm in length, 5.6 cm in width, and 10.5 cm in depth. The source data does not specify whether these measurements describe the bearing set itself or its packaging. The supplied weight is listed as 0.5 lb.
The product data identifies the item as a bearing set but does not specify the number of bearing shells included, the bearing material, the bearing position, or the engine component on which the set is installed. These parameters are therefore not included as specifications for this part.





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