2588502 Straight Sleeve Bearings for Caterpillar Equipment

The 2588502 Straight Sleeve Bearing is a steel sleeve bearing used in the linkage between the frame links and attachment of Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The bearing is intended for applications requiring rotational movement between connected machine components. The supplied product data identifies an inner groove, cross holes for lubrication, and no outer groove.

Fitment

The 2588502 sleeve bearing is used on the following Caterpillar excavator and wheel excavator models:

• 315B L excavator
• 317B L excavator
• 317B LN excavator
• M318 excavator
• M313C wheel excavator
• M313D wheel excavator
• M314F wheel excavator
• M315C wheel excavator
• M315D wheel excavator
• M315D2 wheel excavator
• M315F wheel excavator
• M316C wheel excavator
• M316D wheel excavator
• M316F wheel excavator
• M317D2 wheel excavator
• M317F wheel excavator
• M318F wheel excavator
• M323F wheel excavator

Fitment should be verified against the machine model and the installed bearing dimensions before replacement.

Cross-reference numbers

• Caterpillar 258-8502
• Caterpillar 2588502
• CTP 2588502

The number 2588502 is also written in the Caterpillar hyphenated format 258-8502. These numbers identify the same sleeve bearing reference used for the listed applications.

Specifications

The inner groove is part of the bearing design, while the cross holes provide lubricant access during service. The stated dimensions are approximate and should be compared with the removed component and machine service information when confirming installation.