8N8972-040 Engine Bearing 0.040 in / 1.00 mm — SKU 8N8972-040

8N8972-040 is an engine bearing with a 0.040 in (1.00 mm) undersize specification for Caterpillar equipment. It is used in Caterpillar engines, generator sets, generators, excavators, forest products equipment, and industrial engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The bearing is identified by the service part number 8N8972-040, while 8N8972 is the associated base part number. The undersize designation is 0.040 in, corresponding to 1.00 mm, as stated for this part.

Fitment

The part is listed for the following Caterpillar equipment applications and models:

• Caterpillar engine equipment
• Caterpillar generator sets
• Caterpillar generators
• Caterpillar excavators
• Caterpillar forest products equipment
• Caterpillar industrial engines
• Caterpillar 3204 engine
• Caterpillar 3208 engine
• Caterpillar SR4 generator
• Caterpillar 215
• Caterpillar 225D
• Caterpillar 231D
• Caterpillar 227

Fitment must be checked against the engine configuration and the required bearing undersize before installation. The model references above are the Caterpillar equipment applications listed for the 8N8972 bearing designation.

Cross-reference numbers

The following numbers are listed as associated or cross-reference numbers for this bearing:

• 8N8972-040
• 8N8972
• 4N4715
• 4N4716
• 7N3919
• 9N3054

8N8972-040 specifies the 0.040 in / 1.00 mm undersize version. The numbers 8N8972, 4N4715, 4N4716, 7N3919, and 9N3054 are supplied as related part numbers; confirmation of interchangeability should be made using the engine serial number and the bearing dimensions required for the repair.

Specifications

The listed weight and dimensions correspond to the product data supplied for SKU 8N8972-040. The supplied data does not specify the bearing material, shell construction, thread, installation position, or the number of bearing shells included.