1K7990 Tapered Roller Bearing Cone for Caterpillar Equipment

1K7990 is a tapered roller bearing cone used in equipment manufactured by Caterpillar. The part is used in Caterpillar paving compactors, engine-powered machines, integrated toolcarriers, and wheel-type loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The component is identified as a cone for a tapered roller bearing assembly. The supplied product data identifies the part by Caterpillar number 1K7990 and lists its application across several Caterpillar machine and engine series.

Fitment

The 1K7990 bearing cone is listed for the following Caterpillar equipment models and series:

• CD-54 paving compactors
• 3054C engines and machines
• 3056E engines and machines
• 3116 engines and machines
• 3126 engines and machines
• 3204 engines and machines
• C6.6 engines and machines
• IT28F integrated toolcarriers
• IT28G integrated toolcarriers
• 926 wheel-type loaders

Equipment categories identified for this part include Caterpillar paving compactors, Caterpillar engine-powered machines, Caterpillar integrated toolcarriers, and Caterpillar wheel-type loaders. Compatibility should be confirmed against the machine model, serial number, and bearing assembly configuration before installation.

Cross-reference numbers

The available product data identifies 1K7990 as the Caterpillar part number and the CTP catalog number for this tapered roller bearing cone. No additional supplier or interchange numbers are specified in the source information.

Specifications

The listed dimensions and weight refer to the 1K7990 cone as supplied. The product data does not specify the matching cup, complete bearing set, seal, fastening hardware, or other components; these items are not included in the stated part description.