1M8776 Cylindrical Roller Bearing for Caterpillar Equipment

1M8776 is a cylindrical roller bearing used in Caterpillar tracked bulldozers, autograders, pipe layers, track loaders and wheel loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The bearing is designed to reduce friction and provide separation and protection between mating components. Its stated operating application is low to medium rotational speed under heavy loads and with limited lateral movement. The part is identified as a cylindrical roller bearing in the supplied product data.

Fitment

The bearing is used on the following Caterpillar equipment models and machine series:

• Tracked bulldozers: D7F, D7G and D7G2.
• Autograder: model designation listed as sixteen in the supplied fitment data.
• Pipe layers: 571G and 572G.
• Track loaders: 955H, 977A, 977H, 983 and 983B.
• Wheel loaders: 966K, 966K XE, 966M XE, 966XE, 972M XE and 972XE.

Fitment should be verified against the machine model, serial number and the bearing dimensions before installation, because the supplied application data covers several Caterpillar machine families and model configurations.

Cross-reference numbers

• 1M8776
• 1M-8776

Both number formats identify the same part reference shown in the product data. The equipment manufacturer reference is listed as 1M-8776, while 1M8776 is the corresponding unhyphenated format.

Specifications