3N6408 Tapered Roller Bearings for Caterpillar

The 3N6408 is a tapered roller bearing used in Caterpillar backhoe loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The bearing is identified by the Caterpillar part designation 3N-6408 and is listed for the backhoe loader models specified below. The supplied application data covers several Caterpillar 400-series backhoe loader models.

Fitment

• Caterpillar 416B backhoe loader
• Caterpillar 416C backhoe loader
• Caterpillar 416D backhoe loader
• Caterpillar 420D backhoe loader
• Caterpillar 424D backhoe loader
• Caterpillar 426C backhoe loader
• Caterpillar 428B backhoe loader
• Caterpillar 428C backhoe loader
• Caterpillar 428D backhoe loader
• Caterpillar 430D backhoe loader

Fitment is specified for the Caterpillar backhoe loader models listed above. Before installation, the part number and bearing dimensions should be compared with the component being replaced.

Cross-reference numbers

• 3N-6408 — Caterpillar part designation
• 3N6408 — part number and SKU
• HM803110 — cross-reference number

The numbers above are used to identify the same tapered roller bearing application in the available product data. Part-number verification is required when ordering or replacing a bearing on equipment with a different configuration.

Specifications

The listed dimensions are 9.3 cm in length, 4 cm in width, and 9.3 cm in depth. The listed weight is 0.8 lb. No additional information about the bearing material, thread specification, mounting position, seal configuration, or included components is provided in the available product data.