4B8393 Cup-Roller Bearing for Caterpillar

The 4B8393 Cup-Roller Bearing is a bearing component used in Caterpillar engine and machine applications. It is listed for Caterpillar 3306, 3406, 3406B, 3406C, 3406E, 3408, 3408C, 3408E, C15, and C18 engines.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is identified by SKU 4B8393 and belongs to the ball bearing category.

Fitment

The bearing is used with Caterpillar engine-machine equipment. The available fitment data includes the following Caterpillar engine models and series:

• Caterpillar 3306
• Caterpillar 3406
• Caterpillar 3406B
• Caterpillar 3406C
• Caterpillar 3406E
• Caterpillar 3408
• Caterpillar 3408C
• Caterpillar 3408E
• Caterpillar C15
• Caterpillar C18

Fitment should be checked against the equipment model, engine configuration, and installed bearing number before part selection. The listed models represent the available application information for SKU 4B8393.

Cross-reference numbers

The following numbers are listed for this cup-roller bearing as equipment-manufacturer and supplier interchange references:

• 4B8393
• 71750
• 8A5871

Part number 4B8393 is used as the SKU and primary identification number for this product. The numbers 71750 and 8A5871 are included as cross-reference numbers associated with the same bearing application.

Specifications