1M6866 Composite Bearing

1M6866 is a composite bearing for Caterpillar equipment, including tracked bulldozers, ship equipment, industrial engines, and pipe-layers. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 1M6866 and is listed for the Caterpillar equipment models and series specified below. The available application data includes both complete machines and engine models.

Fitment

• Tracked bulldozers: Caterpillar D9E, D9G, D9H.
• Ship equipment: Caterpillar D353C, D353D, D353E.
• Industrial engines: Caterpillar D353C, D353D, D353E, G353D.
• Pipe-layers: Caterpillar 594, 594H.

The D353C, D353D, and D353E designations are listed for both ship equipment and industrial engine applications. The D9E, D9G, and D9H designations are listed under tracked bulldozers, while 594 and 594H are listed under pipe-layers.

Cross-reference numbers

• Caterpillar equipment manufacturer reference: 1M6866.
• Formatted reference number: 1M-6866.
• CTP aftermarket reference: 1M6866.

Reference numbers 1M6866 and 1M-6866 identify the same bearing number in different number formats. The CTP aftermarket reference uses the unhyphenated form 1M6866.

Specifications

The stated dimensions are length 7.5 cm, width 4.3 cm, and depth 7.7 cm. The listed weight is 0.4 lb. No additional information is provided for the bearing position, internal construction, material composition beyond the composite-bearing classification, mounting method, or included components.