CAT 6Y-6832 BEARING

CAT 6Y-6832 is a Caterpillar original single-row cylindrical roller bearing assembly, suitable for rotating parts such as transmission planetary gear mechanisms and engine gear pumps. The following are raw specifications and do not include information on replacement parts.

Core Technical Parameters (Raw Data)

Item Details
Basic Attributes
Model: 6Y-6832, Type: Single-row cylindrical roller bearing assembly, Material: Bearing steel (chromium-molybdenum alloy steel), Weight: 0.82 kg, Applicable operating conditions: Medium-speed, medium-load rotation, continuous lubrication, Operating temperature: -20℃ to +120℃, Rated dynamic load: ≥58 kN, Rated static load: ≥72 kN, Fitting shaft diameter: φ38.10 mm, Used for planetary gears, gear pump drive shaft support

Key Dimensions (Metric/Imperial): Inner diameter: 38.10 mm (1.500 in, tolerance 0/-0.015 mm), Outer diameter: 62.00 mm (2.441 in, tolerance 0/-0.02 mm), Width: 22.22 mm (0.875 in, tolerance ±0.1 mm), Roller diameter: 7.94 mm, Number of rollers: 12. Cage material: stamped steel plate; interference fit with mounting holes: 0.02-0.04 mm.

Performance Parameters: Bearing steel hardness: HRC 60-64; roller surface roughness: Ra≤0.4 μm; limiting speed: 4200 rpm (oil lubrication); fatigue life: ≥2.0×10⁶ cycles; compatible with Cat DEO-ULS 15W-40 engine oil or HD EP 2 grease.

Structure and Compatibility Characteristics:
Cylindrical roller structure: Rollers make line contact with raceways, providing strong load-bearing capacity. Suitable for rotating parts with predominantly radial loads. The stamped steel plate cage ensures even roller distribution, reducing operating noise and vibration.

Assembly Design: Integrates inner ring, outer ring, rollers, and cage for easy installation without additional assembly. Precisely matches original planetary gears and gear pump mounting positions, eliminating the need for clearance adjustments.

Operating Condition Adaptability: Suitable for closed, continuously lubricated operating conditions such as gearboxes and gear pumps. The bearing steel material exhibits excellent wear resistance and fatigue resistance, ensuring long-term stable operation and reducing maintenance frequency.

Installation and Maintenance Points (Original Data)

Installation: Clean the journal, mounting hole, and bearing surface (free from oil, rust, and burrs). Use cold-press installation (pressure ≤80 kN). After installation, the bearing end face should be flush with the mounting surface, without skewing. The shaft should rotate freely without jamming. The clearance between the bearing and the journal should be ≤0.01 mm, and the clearance between the bearing and the mounting hole should be ≤0.01 mm.

Maintenance: Check lubrication and wear every 1000 hours to ensure sufficient oil/grease. Regularly check the bearing radial clearance; replace the bearing if the clearance exceeds 0.12 mm. For long-term storage, apply anti-rust oil and seal to prevent moisture and avoid roller corrosion.