BEARING-TAPER ROLLER
A tapered roller bearing is a type of rolling-element bearing designed to handle combined radial and axial (thrust) loads simultaneously. It consists of tapered rollers guided by a rib on the inner ring (cone), which roll between tapered raceways on the inner and outer rings (cup).
Handles Combined Loads
Can support both radial and axial loads in one direction (unidirectional).
Commonly used in pairs (back-to-back or face-to-face) for bidirectional axial load capacity.
Adjustable Clearance Preload
The tapered design allows for precise adjustment of bearing clearance or preload during installation, optimizing performance.
High Load Capacity Durability
Tapered rollers distribute loads evenly, making them ideal for heavy-duty applications (e.g., forklift wheels, gearboxes).
Typically made from high-carbon chromium steel (e.g., SAE 52100) for strength and wear resistance.
The inner ring (cone) + rollers and outer ring (cup) can be mounted separately, simplifying installation and maintenance.
Common Applications
Forklift: Wheel hubs, transmissions, differentials.
Industrial: Conveyors, gearboxes, mining equipment.
Aerospace & Heavy Machinery: High-load, high-speed systems.
English Name |
Bearing-Taper Roller |
Name |
Tapered Roller Bearings |
Code |
LW04-C101G |
Specifications |
25783-02041 |
Weight/kg |
/ |
HIGH LOAD CAPACITY FOR HEAVY-DUTY USE
Forklifts experience both radial loads (from weight) and axial thrust (during turning and mast tilting). Tapered roller bearings efficiently manage these combined forces.
Withstands sudden impacts when lifting/moving heavy pallets or on uneven surfaces.
ROBUST CONSTRUCTION
Made from hardened chromium steel (e.g., SAE 52100), resistant to wear and fatigue.
Sealed Options: Many forklift bearings come with integrated seals to prevent dust, dirt, and moisture ingress, critical in warehouses, lumber yards, or cold storage.
PRELOAD ADJUSTMENT
Allows fine-tuning to minimize play in the wheel hub or mast assembly, improving steering stability and fork positioning accuracy.
Reduced Vibration: Tight tolerances ensure smoother operation, extending the lifespan of adjacent components.
WHEEL HUBS
Handles heavy vertical loads while accommodating lateral forces during turns.
Mast Guide Rollers: Support the mast's vertical movement and resist side loads when tilting.
Drive Axles: Manages torque and thrust in differential and transmission systems.
LONG SERVICE INTERVALS
Properly lubricated tapered roller bearings require less frequent replacement compared to plain bearings.
Easy Replacement: Standardized designs (e.g., Timken, SKF, or NSK series) simplify servicing.
Performs reliably in high-heat environments (e.g., near forklift engines) or sub-zero cold storage.




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