8S9151 Tapered Roller Bearings for Caterpillar Equipment

8S9151 is a tapered roller bearing used in Caterpillar equipment, including articulated dump trucks and backhoe loaders. The bearing is identified by SKU 8S9151 and is supplied as a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed for Caterpillar machines in the 725 and 730 articulated dump truck series and in the 416B, 416C, 416D, 420D, 424D, 426C, and 428B backhoe loader models. The equipment brand named here refers to the manufacturer of the machines for which the bearing is specified.

Fitment

• Caterpillar 725 articulated dump truck
• Caterpillar 730 articulated dump truck
• Caterpillar 416B backhoe loader
• Caterpillar 416C backhoe loader
• Caterpillar 416D backhoe loader
• Caterpillar 420D backhoe loader
• Caterpillar 424D backhoe loader
• Caterpillar 426C backhoe loader
• Caterpillar 428B backhoe loader

Fitment is stated for the Caterpillar articulated dump truck and backhoe loader equipment types listed above. Model-specific installation position is not specified in the available product data.

Cross-reference numbers

The following numbers are listed as identification or interchange references for this tapered roller bearing:

• Caterpillar part number: 8S9151
• Interchange reference: 1107640
• Interchange reference: 27620
• Interchange reference: 3M5043
• Interchange reference: 7R8980

The product SKU and the Caterpillar part number are both 8S9151. The additional references are included for parts identification and compatibility checking against the listed Caterpillar equipment models.

Specifications

The dimensional and weight values are provided in the available product data as length, width, depth, and weight. No additional information is specified for bearing bore diameter, outside diameter, bearing width, material, seal configuration, lubrication, thread type, or included components.

Before installation, the bearing identification should be checked against the number removed from the machine and the applicable Caterpillar parts information for the specific model and serial-number range. The listed fitment confirms the equipment models associated with 8S9151 in the supplied data; it does not specify the bearing's exact location within each machine.