SKF
Single Row Tapered Roller Bearings
Single row tapered roller bearings consist of a cone assembly (inner ring, rollers, cage) and a cup (outer ring). They are designed to carry combined radial and axial loads, where the axial load component must be supported in one direction only. A second bearing mirroring the first is required if axial loads reverse. SKF single row tapered roller bearings are available in metric and inch dimensions, with standard and steep angle contact options. The separable design allows the cup and cone to be mounted independently, facilitating preload adjustment using shims or locknuts. Typical applications include automotive wheel hubs, pinion shafts, idler pulleys, and industrial transmission shafts. SKF Explorer variants deliver extended fatigue life and improved wear resistance, reducing total cost of ownership.
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One-Direction Axial Load Support
Handles combined load; pair for bidirectional thrust.
Adjustable Clearance
Endplay can be precisely set by axial positioning of cup relative to cone.
High Radial and Thrust Capacity
Optimized raceway angle for varying load mixes.
Metric and Inch Sizes
Broad dimensional coverage for international and legacy equipment.
Separable Components
Eases press-fitting of cup into housing and cone onto shaft.
SKF Explorer Performance
Enhanced fatigue life under heavy, contaminated conditions.
How to Mount and Adjust Single Row Tapered Roller Bearings
Mount the cup first, then the cone. Axial clearance or preload is established by axially shifting the cup using a shim pack or an adjusting nut. SKF supplies suggested clearance values based on size and operating temperature; verifying with a dial gauge ensures correct setting.
Single Row Tapered Bearings in Automotive Differentials
Pinion gear shafts universally use a pair of opposed single row tapered roller bearings to locate the pinion and withstand high thrust during acceleration and deceleration. The precise preload is critical for gear longevity and minimal noise.