2A4577 Tapered Roller Bearings fit Caterpillar

2A4577 is a tapered roller bearing for Caterpillar equipment. The bearing is used between mating parts to reduce friction and is designed to accommodate radial and axial loads. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The bearing is listed for the following Caterpillar machine models and machine series:

Fitment is specified by the listed Caterpillar machine models. The part should be matched with the equipment model and the part number used in the service documentation before installation.

Cross-reference numbers

The part is identified under the following number formats:

2A-4577 and 2A4577 refer to the same bearing part number format. Caterpillar is the manufacturer of the equipment on which the bearing is used; the replacement part described here is manufactured by CTP (Costex Tractor Parts).

Specifications

The supplied product is identified as one 2A4577 tapered roller bearing. The available product data does not specify the bearing material, internal clearance, bore diameter, outside diameter, raceway dimensions, thread, sealing arrangement, or additional components included with the part.