CAT 088-2972 BEARING

CAT 088-2972 (0882972) is a Caterpillar genuine single-row radial ball bearing, suitable for 259D3/279D3 skid steer loaders and 906H/907H mini excavators. It is used at the hinge points of the working device and is paired with the 087-4766 bushing, 088-2526 retainer, and 087-1873 dust ring. It withstands radial loads and is suitable for frequent load changes and vibration conditions, ensuring smooth operation.

Core Parameters and Information

Item Details
Part Model: CAT 088-2972 (0882972) Single Row Radial Ball Bearing

Type: Radial Ball Bearing for Engineering Machinery Articulation Points (Open, No Seal)

Material: Bearing steel (chrome steel), inner and outer rings hardened (HRC60-64), cage is engineering plastic

Key Dimensions: Inner diameter 60mm, outer diameter 80mm, width 16mm, radial clearance C3 grade

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

Matching Relationship: Compatible with 087-4766 bushing, 088-2526 retainer, 087-1873 Dust ring for radial support in articulation assembly.

Suitable for: Skid steer loaders, mini excavators, boom and frame, linkage and boom articulation points, etc., suitable for high-frequency load variation and vibration conditions.

Application scenarios: Outdoor operations such as excavation and loading; provides radial load support, reduces friction between pins and bushings, reduces component wear, prevents increased clearance leading to abnormal noise, improves the reliability of articulated parts, and reduces maintenance costs.

Functions: Bushing wear-resistant support, bearing radial load bearing, axial positioning of retainer, dust ring protects against foreign object intrusion, ensuring stable assembly operation.

Installation and maintenance points:
Installation: Clean the mounting holes and bearings, use a special tool to press smoothly, ensuring a tight fit with the hole wall; install in conjunction with bushings, retainers, and dust rings to ensure radial clearance meets specifications, no axial movement, and smooth, unobstructed operation.

Maintenance: Check bearings for abnormal noise, jamming, and corrosion every 200 hours; regularly add CAT DEO special grease, and replace immediately if any abnormalities are found to prevent excessive clearance from damaging components.

Replacement: Disassemble the old bearing and check the mounting holes and pins for damage; verify the dimensions of the new bearing before installation, and test the hinge area after press-fitting to confirm there are no abnormal noises or axial movement.