7Y4270 Cylindrical Roller Bearing for Caterpillar Equipment

The 7Y4270 cylindrical roller bearing is used in Caterpillar excavators, wheel excavators, and forest machines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The bearing is identified by the Caterpillar part number 7Y4270 and its hyphenated form 7Y-4270. The component is intended for bearing applications involving heavy loads, low to medium operating speeds, and limited lateral movement between mating parts.

Fitment

The 7Y4270 bearing is listed for the following Caterpillar equipment models and series:

• 322 L excavator
• 322 LN excavator
• 322-A excavator
• 322-A L excavator
• 322-A LN excavator
• 322-A N excavator
• 322B excavator
• 322B L excavator
• 322B LN excavator
• 322N excavator
• 325 L excavator
• 325 LN excavator
• 325-A excavator
• 325-A FM L LN excavator
• 330-A excavator
• 330-A L excavator
• 330-A LN excavator
• 330B excavator
• 330B L excavator
• 330B LN excavator
• 350 L excavator
• 350-A excavator
• 350-A L excavator
• 375-A excavator
• 375-A L excavator
• 5080 excavator
• M325B wheel excavator
• W330B wheel excavator
• TK1051 forest machine

Fitment should be confirmed against the machine model and the part number removed from the assembly before installation, particularly where several configurations are available within the same machine series.

Cross-reference numbers

• 7Y4270
• 7Y-4270

These two numbers identify the same bearing reference in non-hyphenated and hyphenated formats.

Specifications