Roller Bearings TRIZ Cases

Press-fit tire with sloped shoulders constrains bearing outer rings to eliminate axial gaps.

An inwardly tilted cage face creates a low-pressure region that reduces stirring resistance and rotary torque while maintaining adequate lubrication.

Four rows of tapered rollers on a shared outer raceway reduce manufacturing complexity and cost while maintaining high load capacity.

A concentric multi-axis actuator uses a two-stage cross roller bearing to support rotary output elements.

Intermediary members between the ring-shaped retainer and housing components reduce sliding wear while maintaining roller axial stability.

Extended axial ends form an annular oil film space that absorbs centrifugal loading, reducing wear between the bearing cage and inner ring.

Segmenting the outer ring into two parts connected by a plastic spacer separator reduces material usage and weight while maintaining structural integrity.

Flexible arms on a roller assembly maintain consistent compression and parallel engagement with peristaltic pump tubing to reduce flow pulsations.

An integrated elastomeric ring seal with retention hooks prevents lubricant leakage and foreign substance infiltration at the parting joint.

Curved abutting surfaces on a segmented bearing cage prevent segment separation and radial shifting, ensuring stable contact during pivoting.

Centrifugal oil throwing rings and labyrinth sealing lips redirect fluid flow to prevent leakage in conical roller bearings.

Bore holes in the coupling pin reduce bending stiffness, allowing elastic deformation that accommodates manufacturing tolerances and operational twisting loads.

An integrated lubricant branch structure within the bearing ring directs flow to multiple components, reducing installation space and system complexity.

Axial extension positions a large component attachment flange far from the rotor, reducing joint forces while maintaining small main shaft bearings.

Angled cable exit reduces strain from lubricant flow while protecting connectors in a recessed socket.

A suspension thrust bearing uses an elastomeric support cap to absorb vibrations from the vehicle spring.

Zero-degree load-transmitting thread flanks minimize radial force components, preventing bearing ring tilting during preload application.

Reinforcing beams in a rolling bearing spacer distribute compressive loads evenly, reducing deformation and extending service life under high compression.

Elastic dam section and eaves structure form an annular space to receive muddy water on the outer ring.

Removable raceway segments in the slew bearing enable direct roller replacement, reducing downtime and maintenance complexity during crane refurbishment.

An annular member suppresses rotational speed of the preload applying member, reducing wear on the component during high-speed operation.

A rolling bearing integrates an electric circuit via layered coatings directly onto the surface, eliminating bulky carriers.

Concave hourglass rollers in the flap hinge bearing reduce peak surface stress and prevent debris ingress, extending component life.

Circumferential slots intersect axial grooves to deliver oil to race shoulders, reducing hoop stress concentrations that limit rotational speeds.

Segmented rings distribute pressure to reduce stress concentration and minimize equipment diameter.

Segmented bearing rows distribute thermal load to reduce wear and maintain alignment between rolling cutters and heads.

A tubular insert extends through a turbocharger bearing housing to index and secure a rotational speed sensor.

Integrated sealing ring embeds pick-up elements to harvest electrical power from rotational motion.

Integrated axial bearing sensors and computer compensation resolve measurement inaccuracies caused by bearing prestressing forces.

Integrating the seal with the bearing outer ring reduces device complexity and material usage while maintaining reliable lubricant containment.

A telescopic steering column bearing assembly uses a resilient spacer to apply radial biasing force and eliminate play.

A sealed anti-friction bearing uses a barb and annular bead to anchor the sealing washer in a circumferential groove for secure rotation.

Thermoelectric modules dynamically alter component diameters to optimize tip clearances, reducing leakage and vibration in gas turbine engines.

Integrated sensor unit measures distance between bearing components to detect wear and prevent fretting corrosion in large wind turbine bearings.

Inclined rectangular retainer surfaces maintain fixed roller spacing while recesses accumulate grease for reliable distribution.

Cylindrical cage guide surfaces create full line contact with roller axial ends, resolving skewing and lubrication issues from manufacturing variances.

Segmented bearing box decouples tire and bearing maintenance cycles, allowing on-site bearing inspection while the wheel remains mounted on the axle.

Blocking members protrude into holes of the elastically mounted ring to stop rotation and eliminate wear on the raceway track.

A dual stage seal bearing assembly combines labyrinth and contact sealing mechanisms to retain lubricant effectively.

Segmented side rings expand circumferentially to mount over large flanges, eliminating specialized expansion tools.

Radial holes in the outer ring supply lubricating oil directly to the contact points, maintaining stable lubrication during high-speed rotation.

Differently sized attachment bores in the bearing housing flange channel load to larger lower openings, preventing material burst under jerk-like forces.

Fluidized bed plastic coating on a metallic cage body reduces wear sensitivity while maintaining structural strength for large axial-radial bearings.

Axial prestressing of gearbox walls counters operational forces, reducing weight while maintaining structural strength.

A rolling bearing retaining element extends radially inward and outward to separate adjacent rolling elements.

Relocating sensors to the end cap protects them from harsh railway conditions while enabling reliable vibration and temperature monitoring.

Hydraulic expansion forces a wedge sleeve against the flange, reducing wheel run-out values without complex mechanical adjustment mechanisms.

A curved approach section on the roller end face reduces edge stresses and improves guidance when tilting, resolving contact stress trade-offs.

Radial oil holes in angular contact ball bearings diffuse lubricant to prevent air flow interruptions that generate vibration and noise at high speeds.