Rolling Contact Bearings TRIZ Cases

Double-row bearing supports motion conversion mechanism on opposite side of driving motor to reduce axis-to-axis distance.

An elastic intermediary between the bearing and housing reduces frictional resistance while restraining spring displacement to enable compact radial design.

A single keyhole fixing element secures the bearing cartridge, replacing separate parts to reduce assembly complexity.

A vehicle wheel bearing cover features a sensor mounting bore with an inwardly bulging thin bottom to absorb interference forces.

A spindle unit incorporates a damper bearing with high damping coefficients to suppress chatter vibration during machining operations.

A bearing seal assembly uses a torturous path to retain lubricant within the rotating interface.

A preload apparatus deforms cover member tabs to secure a retaining member on a shaft-mounted nut.

Sealing device uses non-contacting axial lip to form labyrinth seal against inner ring flange, eliminating separate shields and reducing component count.

Tensioned rod in flywheel journal assembly maintains coaxial alignment, reducing bearing wear from operational imbalances.

Dual outer ring X-ray tube bearing uses biasing members to maintain consistent axial preload across temperature ranges, preventing excessive wear.

An asymmetric flanged hub bearing assembly with a central threaded fastener reduces weight and bulk by up to 30% while maintaining structural stiffness.

Nested annular members with ramped surfaces engage via a wave spring to set accurate preload, simplifying complex automotive axle assembly processes.

An axial generator harvests axle rotation to power onboard sensors, eliminating external wiring needs.

Integrating a check valve into the oil supply tube prevents backflow and ensures continuous lubrication, reducing wear on bearing dampers.

Direct axial loading eliminates friction variability, ensuring repeatable bearing preload settings.

Tubular sleeves with elastomer elements stiffen the elastic shaft, reducing stress peaks and wear at bearing transitions to prevent premature breakage.

Sintered steel powder creates bearing rings that withstand surface fatigue under direct contact conditions.

A rotor blade rotates with the spindle to distribute coolant between the blade and bearing, preventing lubricant adhesion to electrical components.

Laser forerunning creates a keyhole for nickel filler deposition, preventing over-hardening in the heat-affected zone of through-hardened bearing steel.

A ball bearing grease composition blends synthetic hydrocarbon oil, mineral oil, and a urea compound thickener to deliver stable lubrication.

Optimized side lip spacing and radial labyrinth lips boost muddy water resistance while reducing sectional height.

A bearing device integrates piezoresistive sensors into its support structure to measure contact forces via resistance changes.

Spiral grooves on a bearing sleeve create a cooling passage for direct heat removal from the rear bearing.

Radial displacement limiter prevents brinelling by restricting relative ring movement during side impacts, preserving race integrity and seal function.

Radial forcing elements constrain the bearing housing to prevent turning and radial movements, accommodating thermal expansion without generating wear debris.

Conductive seal member guides oil via guide grooves to prevent electrolytic corrosion in bearing structures.

A segmented bearing ring integrates a contact surface for the rotating part with a running surface for rolling elements to minimize assembly outer diameter.

A rolling bearing retaining ring uses integral guiding and pressure engaging means to secure the bearing directly to the housing.

An intermediary connecting part fixes bearing rings at varying radial distances to counteract radial forces and improve mechanical strength.

Segmented sealing devices isolate grease from pressurized air, resolving complexity trade-offs in central tire inflation systems.

Back surface cylinder walls on input discs allow gear placement between coaxial discs, reducing oil agitation loss while maintaining structural reliability.

Protruding portions on bearing members seal gaps between rotating shafts and valve bodies, preventing air leakage and maintaining engine performance.

A concentric bearing assembly supports an axial drive screw within a telescoping mast structure.

Cup-shaped protective cover formed by cold press molding austenitic stainless steel plate material with controlled nickel content.

Centrifugal force retains grease in a ridge and groove gap, eliminating direct contact between seal rings to reduce sliding resistance and wear.

Elastic deformation in the sensor cap prevents seal deterioration from thermal expansion while maintaining precise air gap for rotation speed detection.

Integrally formed flanges on bearing rings eliminate separate fasteners, reducing device complexity and maximizing lubricant space.

Cavities in the rolling element ends reduce weight while a dense intermediate region prevents mechanical stress peaks.

Modular sheet metal bridges separate and align rolling elements, resolving manufacturing cost versus precision trade-offs.

An elastomeric seal with an L-shaped cross-section creates a labyrinth path that prevents contaminants entry while reducing friction torque.

Resilient arm and recessed zone manage metal wires to prevent contamination and leakage in soil-working disc hubs.

A clutch bearing flange inserts into an inner ring recess to increase contact surface area.

Segmented bearing housing design distributes rotor shaft loads across asymmetric mounting feet, reducing peak pressure and extending bearing life.

A center bearing assembly uses a curved bracket and support member to pivot the driveshaft at varying angles.

A multilayered helical wave washer absorbs impact and applies axial spring load to actuator motor bearings, reducing stress without enlarging radial size.

A wheel bearing device uses a projection and recess mating structure to integrate the hub wheel with the outer joint component stem shaft.

Tapered bearing cups in a wheel hub assembly self-adjust to prevent wobble and eliminate specialized maintenance tools.

Nesting the support bearing inside the wave generator plug eliminates extra axial space requirements, enabling compact device assembly.

Segmented plastic deformation ensures constant tooth profile accuracy, resolving the trade-off between tool complexity and manufacturing precision.

A double-row angular contact ball bearing uses a thin sealing device and large balls to enhance outer ring rigidity.