The SW 31314 ZXL Tapered Roller Bearing is engineered for high-performance industrial applications requiring superior management of combined radial and heavy axial loads. Featuring a steep contact angle and proprietary ZXL internal geometry, this bearing minimizes friction and running temperatures, leading to significantly extended lubricant life and operational stability. Constructed from high-purity, carburizing-grade alloy steel, the 31314 ZXL offers exceptional resistance to shock loads and fatigue, ensuring reliability in the most demanding environments. Its separable design allows for precise installation, optimized clearance adjustments, and simplified maintenance routines, making it the preferred choice for mission-critical rotating equipment.
Designed specifically for use in complex machinery such as heavy-duty industrial gearboxes, rolling mill drives, material handling equipment, and large truck differentials, the 31314 ZXL guarantees maximum uptime and reduced total cost of ownership (TCO). The rigorous precision manufacturing standards upheld by SW ensure dimensional consistency and ultra-quiet operation even at elevated operating speeds. Investing in the 31314 ZXL translates directly into enhanced machine productivity and a measurable reduction in unplanned maintenance events, cementing its role as the industry standard for reliable load transmission.
Key Features
ZXL Optimized Internal Geometry for enhanced stress distribution and reduced friction.
Exceptional Static and Dynamic Load Ratings to handle extreme axial and radial forces.
Manufactured from high-grade, heat-treated alloy steel for superior fatigue resistance and long service life.
Separable Cone (inner ring assembly) and Cup (outer ring) design simplifies installation, inspection, and radial clearance setting.
Precision Ground Raceways minimize operational noise and vibration in high-speed applications.
Ideal for use in heavy industry sectors including mining, construction, and power generation.
Dimensional stability ensures interchangeability and reliable fit across standard housing specifications.
Technical Specifications
bearing_type
Tapered Roller Bearing (TRB)
series
313 Series
d
70 mm (Bore Diameter)
D
150 mm (Outer Diameter)
T
38 mm (Total Width / Height)
B
35 mm (Cone Width)
C
29 mm (Cup Width)
dynamic_load_rating_cr
165 kN
static_load_rating_c0r
205 kN
fatigue_load_limit
20.7 kN
limiting_speed_grease
3,200 rpm
weight_approx
2.7 kg
designator_suffix
ZXL (Optimized internal geometry, high performance)
