7L3326 Needle Bearing

7L3326 is a needle roller thrust bearing and housing assembly used in Caterpillar articulated dump truck equipment. The part is intended for bearing applications that require support for axial thrust loads and rotational movement within the machine assembly.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The equipment brand for which the part is listed is Caterpillar; Caterpillar is the manufacturer of the compatible machines, not the manufacturer of this part.

Fitment

The 7L3326 bearing assembly is listed for the following Caterpillar articulated dump truck models:

• Caterpillar D250E
• Caterpillar D250E II
• Caterpillar D25C
• Caterpillar D25D
• Caterpillar D300B
• Caterpillar D300D
• Caterpillar D300E
• Caterpillar D300E II
• Caterpillar D30C
• Caterpillar D30D

Fitment applies to the listed Caterpillar machine models and should be checked against the part number installed in the equipment before ordering. The model designations above include the D250, D25, D300 and D30 articulated dump truck series specified for this bearing assembly.

Cross-reference numbers

7L3326 and 7L-3326 are two written formats of the same listed part number. The hyphenated and non-hyphenated formats are included for identification when comparing equipment records, parts catalogues and markings on the removed bearing.

Specifications

The bearing dimensions listed above are provided in the source data in both inch and centimetre units. The inner diameter, outside diameter and height identify the bearing geometry, while the length, width and depth are retained as the additional dimensional data specified for the part. The stated weight is 0.1 lb.

The assembly is identified as a needle roller thrust bearing with housing. Its stated function is to accommodate axial thrust loads while permitting rotational movement in the applicable Caterpillar machine assembly. No additional seals, fasteners or installation components are specified as included with the part.