3B8972 Cylindrical Roller Bearing

The 3B8972 cylindrical roller bearing is a bearing component used in Caterpillar equipment, including Caterpillar Autograder and motor grader models 120, 120B, 12E, 12F, 140, 140B, and 14E. The component is identified in the supplied parts data as the outer race for the bearing assembly. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed for Caterpillar equipment under the 3B8972 identification. The available fitment information specifies the Autograder equipment group and the individual model designations shown below. Model identification should be checked against the machine parts documentation before installation when several machine configurations are possible.

Fitment

• Caterpillar Autograder
• Caterpillar 120
• Caterpillar 120B
• Caterpillar 12E
• Caterpillar 12F
• Caterpillar 140
• Caterpillar 140B
• Caterpillar 14E

The listed applications cover Caterpillar equipment models associated with part number 3B8972 and the hyphenated reference 3B-8972. The source data does not specify a production year, serial-number range, machine arrangement, axle position, or individual bearing assembly configuration, so these details are not added to the fitment information.

Cross-reference numbers

The numbers above represent the available equipment manufacturer and interchange identification for this part. No additional supplier numbers are provided in the available product data. The number 3B-8972 is the same reference presented with a hyphen; it is not listed as a separate specification.

Specifications

The dimensional data is recorded as length, width, and depth. The available specifications do not state the bearing inside diameter, outside diameter, race width, roller material, clearance, lubrication requirements, or thread information. No additional bearing components or installation hardware are specified as included with the 3B8972 part.