1W1665 Main Bearing for Caterpillar

1W1665 is a main bearing for Caterpillar equipment engines. It is used with Caterpillar 3204 engine applications and with machines equipped with this engine or specified bearing application, including Caterpillar excavators, integrated toolcarriers, and track-type loaders.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The bearing is identified with the .020 US designation shown for this application.

Fitment

The listed fitment includes Caterpillar equipment in the following machine and engine applications:

• Caterpillar 3204 engine applications
• Caterpillar 215B excavator
• Caterpillar IT18 integrated toolcarrier
• Caterpillar IT18B integrated toolcarrier
• Caterpillar IT28 integrated toolcarrier
• Caterpillar IT28B integrated toolcarrier
• Caterpillar 931 track-type loader
• Caterpillar 931B track-type loader
• Caterpillar 943 track-type loader
• Caterpillar 953 track-type loader

Before installation, the bearing number, engine configuration, and crankshaft journal size should be checked against the machine and engine service information. The listed models identify the supplied application range; they do not replace verification of the required bearing size during engine repair.

Cross-reference numbers

The numbers above refer to the same bearing identification in different number formats. The Caterpillar number is provided solely as the equipment manufacturer’s reference for the part application; this component is manufactured by CTP.

Specifications

The package specification data supplied for this part gives a weight of 0.6 lb and overall dimensions of 11 × 7.3 × 3 cm. These measurements describe the listed product dimensions and are not bearing installation dimensions.