CAT 083-3296 BEARING G

CAT 083-3296 (0833296) is a Caterpillar genuine double-row angular contact ball bearing assembly, suitable for 259D3/279D3 skid steer loaders and 906H/907H mini excavators. It is used in components such as connecting rod pins and boom joints of the working device, bearing radial and bidirectional axial combined loads. It is suitable for frequent load changes and vibration conditions, ensuring smooth operation and preventing jamming and wear.

Core Parameters and Information

Item Details
Part Model: CAT 083-3296 (0833296) Double Row Angular Contact Ball Bearing Assembly

Type: Double row angular contact ball bearing for engineering machinery, suitable for combined radial and bidirectional axial loads

Material: Bearing steel GCr15, cage is reinforced nylon PA66+30% glass fiber, seal is nitrile rubber (NBR)

Key Dimensions: Inner diameter 25mm, outer diameter 52mm, width 20.6mm, contact angle 25°, ball diameter 7.144mm, quantity 16

Performance Parameters: Rated radial dynamic load 15.2kN, rated static load 10.5kN, limiting speed 12000rpm, temperature resistance -40℃ to +120℃

Compatible Models: 259D3/279D3 skid steer loaders, 906H/907H mini excavators

Matching Relationships This product is designed for use with the working device’s connecting rod pins and boom joints, providing rotary support and axial positioning.

Compatibility and Applications

Suitable Parts: Core transmission components such as the connecting rod pins and boom joints of the working device in 259D3/279D3 skid steer loaders and 906H/907H mini excavators. It withstands combined radial and bidirectional axial loads, adapting to frequent load changes and vibration conditions, ensuring smooth operation and preventing jamming and wear.

Application Scenarios: Suitable for frequent load changes in operations such as excavation and loading, including continuous excavation and shoveling operations. It ensures smooth rotation of components such as connecting rod pins and boom joints, preventing bearing loosening and wear due to vibration, reducing the risk of failure, and improving operational safety and reliability.

Compatible Use: Used with the working device’s connecting rod pins and boom joints. The bearing assembly provides rotary support and axial positioning, transmitting power via shafts. It is suitable for long-term high-frequency vibration operations, preventing component fatigue damage.

Installation and Maintenance Points

Installation: Clean the pin and bearing housing, and check the journal and housing bore surfaces for scratches and burrs. Use a cold-pressing method for installation, employing a special press to evenly press the bearing into place, ensuring a good fit between the bearing and the shaft/housing, with axial clearance controlled between 0.03-0.08mm. After installation, tighten the lock nut to prevent axial movement.

Maintenance: Check the bearing for abnormal noise, abnormal temperature rise, and seal leakage every 300 hours. Replace immediately if any abnormalities are found. Regularly replenish lithium-based grease (NLGI 2) to ensure adequate lubrication, suitable for high-frequency vibration conditions.

Replacement: Disassemble the old part to check for wear on the pin and bearing housing. Repair any wear exceeding 0.08mm. Before installing the new part, check the dimensions and steel ball condition to ensure consistency with original factory specifications. After installation, test for smooth rotation without abnormal noise, and ensure axial clearance meets standards.