8N8972 Bearing, Engine 0.020 in Undersize — Caterpillar

8N8972 is an engine bearing with a 0.020 in undersize specification for Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed for Caterpillar engines, machines, generator sets, generators, excavators, forest products equipment, and industrial engines. The equipment manufacturer brand applicable to this part is Caterpillar.

Fitment

The bearing is used in the following Caterpillar equipment models and machine series:

• Caterpillar 3204
• Caterpillar 3208
• Caterpillar SR4
• Caterpillar 215
• Caterpillar 225D
• Caterpillar 231D
• Caterpillar 227

Application categories identified for this part include Caterpillar engine-machine assemblies, Caterpillar engine-generator sets, Caterpillar generators, Caterpillar excavators, Caterpillar forest products equipment, and Caterpillar industrial engines.

Model and application information should be checked against the equipment serial number and engine configuration before installation, because the same machine series may use different engine components depending on the production version.

Cross-reference numbers

The following numbers are associated with 8N8972 as replacement or cross-reference numbers used for compatible bearing applications:

The listed cross-reference numbers are supplied for part identification. Confirm the required bearing undersize and engine application before substituting one number for another.

Specifications

The 0.020 in designation identifies the bearing size stated for this part. Bearing size, engine model, and the applicable Caterpillar equipment configuration must correspond to the dimensions and machining condition of the engine installation.