Needle Bearing 4M3915 for Caterpillar Equipment

4M3915 is a needle bearing used in equipment manufactured by Caterpillar. The listed applications include Caterpillar articulated dump trucks and Caterpillar engine-machine assemblies. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The bearing is identified for use on the equipment and engine models listed below. Compatibility should be checked against the machine model, application, and part number before installation, because the same equipment family may use different components in different assemblies.

Fitment

The 4M3915 needle bearing is listed for the following Caterpillar equipment and engine applications:

• Caterpillar articulated dump trucks
• Caterpillar engine-machine assemblies
• Caterpillar D250E
• Caterpillar D250E II
• Caterpillar D300E
• Caterpillar D300E II
• Caterpillar 3126 engine
• Caterpillar 3176C engine
• Caterpillar 3196 engine
• Caterpillar 3204 engine
• Caterpillar 3304 engine
• Caterpillar 3306 engine

The model designations above are the equipment and engine applications provided for this part. Caterpillar is named here as the manufacturer of the equipment on which the bearing is used; the bearing itself is manufactured by CTP.

Cross-reference numbers

The part is identified by the following numbers:

4M3915 and 4M-3915 are the number formats provided for the same needle bearing. The hyphenated number is used as the part-number reference in the supplied application data.

Specifications

A needle bearing uses needle-shaped rolling elements and has a smaller radial cross-section than many other roller-bearing designs. The supplied product data identifies this bearing as a non-detachable unit. The dimensional values above are stated in the source data and should be compared with the removed component and the relevant Caterpillar assembly before fitting.