3K0649 Tapered Roller Bearing for Caterpillar Equipment

3K0649 is a tapered roller bearing used in Caterpillar equipment. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The supplied application data identifies this bearing for Caterpillar material loaders, autograders, mini hydraulic excavators, track loaders, skidder tractors, mining equipment, excavators, and forest machines. Compatibility should be verified against the machine model, serial number, and the bearing installed on the equipment before replacement.

Fitment

• Material loader: MH3059
• Autograder: 16
• Mini hydraulic excavator: 306, 306.5, 307.5, 308, 308.5, 309, 305.5CR, 305CR
• Track loader: 953K, 953
• Skidding Caterpillar tractor: 527
• Equipment for the developing mining industry: MD6250
• Excavator: 225, 225B, 225D, 229, 229D, 231D
• Forest machine: 227

The model designations above are grouped according to the equipment types provided for part number 3K0649. Some listed models may include multiple configurations or production series; the machine identification plate and existing bearing number should be used for final application confirmation.

Cross-reference numbers

• 3K0649 — Caterpillar equipment manufacturer part number listed for the bearing
• 3K-0649 — hyphenated format of the same Caterpillar part number
• 3K0649 — CTP aftermarket reference number

The numbers above identify the bearing supplied for the stated Caterpillar applications. They are included for part-number comparison and do not indicate that the bearing is manufactured by Caterpillar.

Specifications

The listed dimensions and weight are the supplied product data. Inner diameter, outer diameter, bearing width, load rating, clearance, and material specification are not provided.