1T0059 Ball Bearing for Caterpillar D8H, D9G, 641, 651 and 657

1T0059 is a ball bearing used in Caterpillar equipment, including D8H and D9G track-type tractors and 641, 651 and 657 wheeled tractor-scrapers. Caterpillar is the equipment manufacturer associated with the listed machine models and part reference.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is identified as a ball bearing for the equipment applications listed below.

Fitment

The 1T0059 ball bearing is listed for the following Caterpillar equipment models and machine series:

• Track-type tractors:
  • Caterpillar D8H
  • Caterpillar D9G
• Wheeled tractor-scrapers:
  • Caterpillar 641
  • Caterpillar 651
  • Caterpillar 657

Fitment is specified by the part reference and the equipment model designations above. The listed applications cover two Caterpillar equipment groups: track-type tractors and wheeled tractor-scrapers.

For the track-type tractor applications, the compatible models are D8H and D9G. For the wheeled tractor-scraper applications, the compatible models are 641, 651 and 657. These model designations are included as part of the application data for bearing 1T0059.

Cross-reference numbers

The bearing is associated with the following Caterpillar part-number formats and cross-reference numbers:

• 1T0059
• 1T-0059
• 1T059
• 1T59

Part number 1T0059 is the primary SKU for this listing. The formats 1T-0059, 1T059 and 1T59 are included as additional identification references for the same bearing application. Verify the number stamped or listed for the bearing position before installation when servicing equipment.

The reference 1T0059 is identified in the supplied application data as the Caterpillar equipment part number. The additional number formats are provided for catalog and interchange identification and do not change the listed equipment fitment.

Specifications

The supplied product data identifies the component as a ball bearing and does not provide dimensions, bearing bore size, outside diameter, width, material grade, sealing configuration, clearance class, or weight. These technical parameters are therefore not specified here.