980811NT Heavy Duty Forklift Mast Roller Bearing
980811NT is a type of bearing specifically designed for the harsh environments encountered by forklifts and material handling equipment. This bearing boasts outstanding radial load-bearing capacity and durability.
Key Dimensions:
- Bore Diameter (d): 55 mm
- Outer Diameter (D): 80 mm
- Width (B): 23 mm
- Load Ratings: Engineered for high radial load capacity. The dynamic load rating (Cr) and static load rating (Cor) are optimized to handle the significant weight and stress encountered in forklift wheel end applications.
- Precision & Clearance: Manufactured to standard (P0) or higher precision grades as required, with a radial internal clearance (C3/C4 is common) suitable for the press-fit mounting and thermal expansion typical in drive assemblies.
- Cage: Features a high-strength, precision-stamped steel cage. This design ensures precise roller guidance, excellent durability under high-speed and high-load conditions, and contributes to the long service life of the forklift bearing.
980811NT Forklift Bearing: Heavy-Duty Performance for Critical Load Handling
For forklift manufacturers, maintenance technicians, and parts distributors, bearing reliability directly impacts operational safety and productivity. The 980811NT forklift bearing is engineered as a critical replacement and OEM component, designed to meet the rigorous demands of material handling equipment where high radial loads, shock impacts, and challenging environments are the norm.
Key Features:
Exceptional Radial Load Capacity & Durability
The optimized line contact of the cylindrical rollers distributes load evenly, making the 980811NT exceptionally resistant to the heavy and often uneven loads experienced during lifting, carrying, and stacking operations. This directly translates to longer bearing life and reduced failure rates.Robust Construction for Demanding Environments
Manufactured from vacuum-degassed, high-carbon chrome steel, the components are through-hardened to a core hardness of 58-62 HRC. This provides outstanding resistance to wear, fatigue, and shock loads from impacts with docks or uneven surfaces.- High Operational Stability & Reduced Maintenance
The precision-ground rollers and raceways ensure smooth, low-vibration rotation. This stability minimizes heat generation and wear on adjacent components. The robust design and high-quality steel extend relubrication intervals and overall service life, lowering total cost of ownership. - Optimal for Forklift Specific Applications
The bearing’s dimensions and load profile are specifically suited for common forklift models’ wheel hub, axle, and intermediate gearbox positions. It is a direct, reliable replacement for failed OEM parts.
Applications
The 980811NT forklift bearing is a critical component in several key areas of material handling equipment:
Drive & Steering Wheel Hubs: Supporting the full weight of the loaded vehicle and transmitting drive torque.
Drive Axle Assemblies: Within the differential or final drive unit of electric and internal combustion forklifts.
Mast Roller & Guide Assemblies: Providing smooth vertical movement for the lift mast under heavy sideloads.
Pulley Systems: In hydraulic hose management systems or older cable-operated mast designs.
General Material Handling Equipment: Also suitable for pallet jacks, stackers, and other warehouse vehicles with similar load requirements.
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