3G3521 Spherical Bearing for Caterpillar Equipment

3G3521 is a spherical bearing used in Caterpillar off-road dump trucks and excavators. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The bearing is identified by the SKU 3G3521 and is intended for applications where this part number is specified for the listed Caterpillar equipment. The available application data covers off-road dump trucks and excavators.

Fitment

For the off-road dump truck application, the listed models are Caterpillar 784B and 785. For the excavator application, the listed models are Caterpillar 235, 235B, 235C, 235D, 245, 245B, and 245D.

Cross-reference numbers

3G3521 and 3G-3521 are the two number formats provided for this bearing. The equipment manufacturer associated with the listed applications is Caterpillar. The available product data does not specify additional supplier or equipment-manufacturer cross-reference numbers.

Specifications

The principal dimensional data for the bearing are an inner diameter of 4.5019 inches, an inner bearing length of 4.685 inches, and an outside diameter of 7.374 inches. These values describe the bearing dimensions supplied in the product data.

The listed weight is 28.9 pounds. Additional listed measurements are 21 cm in length, 18.4 cm in width, and 12.1 cm in depth. The available data does not identify a separate installation position, material specification, thread specification, seal configuration, or included installation components.