Rolling Contact Bearings TRIZ Cases

Rotational torque before and after crimping is temperature-corrected to verify wheel bearing preload and detect abnormal conditions.

A spindle-mounted sensor and axle transmitter track wheel end heat early, helping prevent bearing failure, wheel lockup, fire, or detachment.

Closed-loop fluid cooling removes motor and bearing heat in a vacuum gyroscopic boat stabilizer, enabling faster spin-up for short trips.

A multi-gap labyrinth and seal-lip layout blocks dust and moisture in wheel bearings while maintaining low drag torque and longer service life.

Stress-driven magnetic changes near the hub bearing flange enable continuous condition checks without separate sensor installation.

Different greases on inner and outer bearing seal lips block foreign matter entry while maintaining low torque.

Different contact angles for the two ball rows reduce moment-load concentration, limiting raceway brinelling and extending wheel bearing life.

A radially internal spacer shifts the relief groove away from the flanged hub's narrow section, cutting stress concentration and extending fatigue life.

A toothless section in the wheel hub inner toothing cuts tooth-base notch stress, prevents cracks, and extends bearing unit life.

Defined force ratios across axial and radial seal lips keep wheel bearing seals in contact under shock, vibration, and cross-acceleration.

By extending the output shaft into the rotor bearing section, this layout cuts motor length and improves tool balance and ergonomics.

Separate bearing and gear lubricant sumps limit contamination, improve cooling, and extend vibration exciter maintenance intervals.

Separated induction-hardened layers give the outer raceway deeper hardening to resist indentation while limiting quenching cracks and grain damage.

Defined rib width and flange thickness around wheel bolt holes suppress flange deflection, helping reduce brake judder.

An integrated cap and deflector shields wheel rotation sensors from foreign matter while enabling common hub parts for driving and driven wheels.

A thermoplastic binder with impact-resistant additives lets a wheel magnetic encoder keep flux density and resist cracking in severe temperatures.

A segmented seal around the preload nut lets axle assemblies set bearing preload accurately while maintaining sealing during yoke installation and removal.

Plastic deformation caulks the bearing outer ring to the housing, securing axial position in both directions while saving installation space.

An annular filler between the metal ring and hub wheel blocks muddy water ingress while avoiding adhesive cracking in wheel bearing seals.

Measures outer-wheel speed decay during caulking to keep hub bearing preload in range, improving steering stability and ride comfort.

A one-way bearing locks reverse spindle motion under external rod loads, while a thrust bearing reduces friction to preserve actuator efficiency.

A relief groove splits the inner ring contact edge to spread pressure, improve axial locking, and avoid grinding burns in wheel hub assemblies.

A closed fluid cooling path removes motor heat inside a vacuum gyro enclosure, enabling larger motors, faster spin-up, and quieter spin-down.

Integrating split inner bearing rings into the wheel hub and articulation housing cuts wheel carrier weight, manufacturing steps, and assembly cost.

Smoother raceway surfaces and low-traction grease cut hub bearing hysteresis and torque, improving steering response and stability.

A coaxial cylindrical hub surface centers the toothed sleeve to cut radial play, vibration, noise, and stress in wheel hub-bearing assembly.

A radial movement limiter uses spring elements and rolling guides to keep galvanometer floating bearings axially mobile but radially stable.

Raised thick portions and through holes strengthen the brake-rotor tapped hole while balancing inner-member weight to reduce distortion.

By placing a rotating detection disc radially outward from the bearing, larger measurable displacement improves axial and lateral force calculations.

An axially spaced overmold and separate sealing lip prevent lifted press-fit installation while maintaining wheel bearing sealing stability.

Sensors mounted near the spindle track wheel end heat and trigger early alerts for bearing or brake failures before lockup or fire.

An annular oil-guiding path feeds rotor internal passages to cool permanent magnets at high speed while limiting windage heat and output loss.

Multi-seal wheel hub assemblies use thermal shock validation to block water ingress into the bearing space under harsh immersion conditions.

A stepped gap on the wheel bearing outer race decouples flange deformation, cutting friction, micro-movements, and noise.

A buffer ring between the rolled hub edge and toothed sleeve absorbs roll-forming deformation, reducing stress concentration and coupling issues.

Inclined multi-roll staking plastically deforms the hub ring tubular portion to distribute force evenly and improve hub bearing manufacturing quality.

A stepped sensor holder separates support and nut fixation points to prevent sensor tilt and preserve wheel encoder reading accuracy.

Double-row rolling members and an elastic housing coupling absorb ball nut movement, cutting steering noise and simplifying assembly.

A tapered pilot guide helps the knuckle fit smoothly with a smaller gap, improving wheel bearing rigidity without added cover cost.

Rectangular notch geometry in retainer pillars improves injection-molding accuracy, shortens ball spacing, and raises dynamic load rating.

An elastic support disc lets an idler gear move axially while damping unloaded vibration and noise and simplifying transmission assembly.

A wedge-preloaded conductive ring grounds the rotating shaft through a sleeve, keeping contact resistance low while simplifying sealing and assembly.

A multi-segment shaft layout with an intermediate transmission component cuts joint angles, reducing wear, vibration, and noise in tight ATV packaging.

Press-fit convex and concave hub joint features cut assembly load, prevent misalignment, and maintain stable torque transmission.

A plastic annular stopper with axial legs limits damper travel in a steering driver to cut impact noise and protect the bearing and worm gear.

A nested inner bearing ring and transmission bowl cut wheel assembly width while preserving payload capacity and camber stiffness.

Stacked magnetic sensors in a cable tip improve rotation detection accuracy and redundancy while keeping the sensor section compact.

A threaded preload nut sets drive pinion bearing force independently of yoke installation, preserving seal integrity and preload accuracy.

An axial flange projection seats the stop part to form a labyrinth seal that resists vibration, blocks contamination, and protects rolling bodies.

Opposed bearing preload holds an inner-ring protrusion to cut backlash, ease manufacturing tolerances, and improve rotational accuracy.

A spring-loaded pump shaft bearing separates lift elements at startup and shutdown, forming a lubricant film to reduce wear and pump length.

Axial sleeve movement and oil pressure create and release bearing preload precisely, avoiding heat assembly and destructive disassembly.

A pin-array pitch bearing connects wind turbine blade roots without bolts, cutting weight, stress concentration, and manufacturing cost.

Wireless power moved outside the bearing housing avoids heat damage while enabling continuous bearing data transmission in steel mills.

Asymmetric spring preload shifts the shaft pivot to the tooth plane, reducing backlash, friction, and rattle in servo steering gears.

A sloped slinger and drainage cavity redirect lubricant outward to limit turbocharger leakage and heat exposure at tilted installation angles.

Tapered groove and dual distance sensors separate axial displacement from radial movement, enabling accurate bearing clearance monitoring.

Pressure-wave-driven lubricant flow between the damper cavity and reservoir sustains shaft vibration damping while limiting air ingestion.

Predict flaking growth from raceway damage shape and rolling element load to schedule bearing replacement before rapid failure.

A rotatable shaft and cone sub-assembly redistributes sheave bearing loads to limit uneven wear, extend cone life, and maintain smooth tensioning.

Parallel springs let the slinger deform with vehicle speed, preserving low-speed sealing while reducing high-speed friction in wheel bearings.

Opposed four-point bearing rows shift axial loading between rows, reducing edge wear while handling high radial loads and tilting moments.

Deformable C-shaped pulley parts create mechanical retention on the bearing outer ring, limiting axial shift and belt wear under heavy load.

A conductive bearing creates a grounded leak path for rotor charge, reducing turbine engine arcing and grounding device maintenance.

Bonded sleeves and a spacer isolate set-screw deformation from rolling bearings, improving head actuator response and HDD cleanliness.

Directly depositing an electroactive composite and electrode onto a mechanical component improves strain and vibration signal quality.

Temperature-guided valve control directs compressed air to the hottest spindle bearings, improving cooling uniformity and lubrication reliability.

An embedded sacrificial conductor tracks bearing seal wear through electrical continuity changes, enabling precise condition-based replacement.

Integrated check valve passages stabilize lubricant pressure in a gas turbine damper ring, reducing bearing lateral forces without a boost pump.

A wheel bearing sensor switches between standard and multiplied pulse outputs to keep ABS rotation detection accurate without processing delays.

Pear-skin lip roughness lets gas escape from the sealed space, preventing negative pressure and cutting hub bearing seal torque.

Alkyldiphenyl ether grease with diurea, sulfonate, and dual antioxidants extends bearing life at high temperature and resists hydrogen flaking.

Inner and outer sleeve depressions form chambers that dissipate heat, absorb forces, and keep the bearing gap stable in high-speed shafts.

Adjustable bearing clearance and a lubricious liner help damper joints handle misalignment, high loads, and friction without losing damping efficiency.

Controlled sliding-surface roughness and grease-filled valleys cut bearing seal frictional torque while maintaining sealing and wear life.

A fixed roller bearing paired with a floating plain bearing helps wind turbine gearbox shafts absorb loads while reducing floating-bearing damage risk.

Compressible fold sections let a rolling bearing cage contract for same-side mounting while preserving ball spacing and reducing friction.

Local base plate deformation narrows the shoulder to block the raceway, reducing material usage and cost while maintaining structural rigidity.

Variable radius roller profile reduces Hertzian pressure and edge contact risk during axis tilting.

Ferrous alloy cores bridge lightweight outer rings and bearing raceways, preventing thermal expansion gaps and galvanic corrosion.