7I8147 Needle Bearing

The 7I8147 is a needle bearing used in Caterpillar equipment. The listed applications include Caterpillar engine-machine equipment and Caterpillar excavators, with fitment identified for the 3306, 350, and 350 L models.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is identified by SKU 7I8147 and belongs to the needle bearing category.

The bearing is supplied as an individual part identified by the 7I8147 number. The available application data specifies the equipment manufacturer, machine models, and equipment categories, but does not provide a machine position, assembly name, dimensions, material grade, load rating, or package contents.

Fitment

The 7I8147 needle bearing is listed for the following Caterpillar equipment models and series:

• Caterpillar 3306
• Caterpillar 350
• Caterpillar 350 L

The available description groups the applications under Caterpillar engine-machine equipment and Caterpillar excavators. It does not identify a specific engine assembly, excavator system, installation position, or serial-number range within these model designations.

Model names should be checked against the equipment identification and the parts documentation for the individual machine before installation. The 350 and 350 L designations are listed separately in the available fitment information and should not be treated as interchangeable model names without confirming the applicable parts breakdown.

Specifications