CAT 330-9262 BEARING-SLV-GD

CAT 330-9262 YM is a Caterpillar genuine radial sliding sleeve bearing (suitable for low-speed, heavy-load components such as excavator boom/stick pins and loader connecting rods, used for radial load bearing and wear protection, and to compensate for installation misalignment). The following is the original data and does not include replacement parts information.

Core Technical Parameters (Raw Data)

Item Details
Basic Attributes Model 330-9262 YM, Type: Radial Sliding Sleeve Bearing, Material: Bimetallic (Steel Back + Copper-Lead Alloy), Single Weight: 1.82 kg, Operating Temperature: -40℃ to +120℃, Suitable for: Lithium-based Grease (NLGI 2), Grease Lubrication, Rated Radial Load: 120 kN, Rated Static Load: 58 kN, Fatigue Life: ≥9500 hours, Coefficient of Friction: μ≤0.08, Permissible Radial Clearance: 0.05-0.10 mm

Key Dimensions Inner Diameter: 80 mm (3.150 in), Outer Diameter: 100 mm (3.937 in), Width: 45 mm (1.772 in), Chamfer: r1.5 mm, Inner Diameter Tolerance: +0.020/-0 mm, Outer Diameter Tolerance: 0/-0.012 mm, Width Tolerance: ±0.10 mm, Surface Roughness: Ra 0.2 μm, steel backing hardness HB 200-240, alloy layer hardness HB 35-45
Compatible Models and Parts: Compatible with Cat 320D/323D excavator boom pins, 966K loader connecting rod pins, one piece per pin, bearing radial loads, adaptable to slight shaft misalignment, reducing pin wear.

Performance Parameters: Impact load capacity ≥180 kN, wear resistance ≥6000 hours (normal lubrication), suitable for mineral oil/synthetic hydraulic oil environments, pin fit accuracy H7/h6, grease filling amount 38 cm³

Structural and Performance Advantages:
Bimetallic Structure: The steel backing provides high-strength support, and the copper-lead alloy layer has good friction reduction and embedding properties, suitable for the impact and heavy loads under harsh working conditions of construction machinery.

Sliding Friction Design: Stable friction coefficient, suitable for low-speed oscillating conditions, reducing wear between pins and bearings, and extending component service life.

Clearance Adaptability: A reasonable radial clearance design compensates for installation errors and shaft deformation, ensuring smooth operation.

Installation and Maintenance Points (Original Data)

Installation: Clean the bearing and mounting base. Install using the cold pressing method (pressure ≤100 kN), ensuring flush end faces. After installation, radial runout ≤0.010 mm. Welding or hot fitting is prohibited to prevent damage to the alloy layer.

Maintenance: Replenish grease every 500 hours, with the grease volume being 1/3-1/2 of the bearing volume. Check for wear every 2000 hours. Normal use is possible when the inner diameter wear is ≤0.12 mm; replace if it exceeds this limit.

Troubleshooting: For jamming during rotation, check the grease level and cleanliness; for abnormal noise, check the fit clearance; for excessive wear, check installation accuracy and lubrication, and replace or repair relevant components promptly.