6H3566 Tapered Roller Bearings fit Caterpillar

6H3566 is a tapered roller bearing assembly, also identified as a cone and rollers component, for Caterpillar equipment. It is used on Caterpillar engines and machines, Caterpillar track-type tractors, and Caterpillar wheel-type skidders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by the Caterpillar equipment part number 6H3566 and the hyphenated designation 6H-3566. The available fitment information covers Caterpillar engine and machine applications as well as the listed track-type tractor and wheel-type skidder models. Confirm the machine serial number and the bearing location before installation when several configurations are available for the same model.

Fitment

• Caterpillar 3304 engine and machine applications
• Caterpillar 3306 engine and machine applications
• Caterpillar C9 engine and machine applications
• Caterpillar C9.3 engine and machine applications
• Caterpillar D7E track-type tractor
• Caterpillar 518 wheel-type skidder
• Caterpillar 518C wheel-type skidder
• Caterpillar 528 wheel-type skidder
• Caterpillar 528B wheel-type skidder
• Caterpillar 530B wheel-type skidder

The listed applications include the Caterpillar 3304, 3306, C9, and C9.3 engine and machine series, the D7E track-type tractor, and the 518, 518C, 528, 528B, and 530B wheel-type skidder models. The supplied data does not specify a particular bearing position, axle, transmission, final drive, or other installation location within these machines.

Cross-reference numbers

Numbers 3A4226 and 620735 are listed as interchange or cross-reference numbers for 6H3566. The numbers identify the referenced bearing component in supplier and equipment-part catalogs; they should be checked against the machine serial number and the required assembly position before ordering or installation.

Specifications

The dimensions and weight above are the supplied product data. Length, width, and depth describe the packaged or catalog dimensions as provided; the source data does not separately state the bearing’s inside diameter, outside diameter, width, load rating, material grade, seal arrangement, or lubrication requirements.