1B3975 Tapered Roller Bearings for Caterpillar Equipment

1B3975 is a tapered roller bearing used in Caterpillar equipment, including the CX28 military transmission and 518 and 528 wheel skidder models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The bearing is identified by SKU 1B3975. The available fitment information associates this part with Caterpillar equipment applications in transmission and wheel skidder assemblies. The listed equipment references are provided below as the known applications for this part number.

Fitment

• Caterpillar CX28 military transmission
• Caterpillar 518 Wheel Skidder
• Caterpillar 528 Wheel Skidder

The CX28 reference identifies the transmission application, while the 518 and 528 references identify wheel skidder equipment. Fitment should be confirmed against the machine model, serial number, and the bearing position in the assembly before installation, since the available product data does not specify a universal application for all versions of these machines.

Specifications

The listed dimensions and weight are product data for the 1B3975 bearing. Length, width, and depth are stated in centimetres, while the weight is stated in pounds. The available specifications do not include bore diameter, outside diameter, bearing width, cage material, seal type, clearance, or the exact installation position within the transmission or skidder assembly.

This part description covers the 1B3975 bearing identified for the Caterpillar CX28 military transmission and Caterpillar 518 and 528 Wheel Skidder applications. No additional cross-reference numbers are included in the available product data.