Rolling Contact Bearings TRIZ Cases

An elastomeric roller body uses inwardly directed webs to support a roller bearing through elastic deformation.

One-step plastic forming of a wheel bearing hub staked portion and face spline avoids work hardening to resolve productivity versus quality stability.

A wheel bearing hub axle increases rigidity through a localized outer diameter expansion at the rolling element midpoint.

A gearbox design segments radial and tilting loads between a rolling bearing inside the toothed wheel and a plain bearing to reduce mass.

A vehicle hub bearing protective ring uses a radially oriented labyrinth seal to interrupt contaminant flow and protect the sealing assembly.

A segmented stiffener with a mounting flange and axial body reinforces the inner race of a wind turbine pitch bearing assembly.

Introducing a controlled tilt between bearing races stabilizes the assembly, eliminating walking errors and improving dynamic unbalance measurement accuracy.

A non-metallic ring decouples thermal expansion between the aluminum frame and steel liner, maintaining clearance to mitigate fretting corrosion.

A variable gap width fluid film damper reduces engine start-up time and vibrations by adjusting the damping coefficient through a rotating helical sleeve.

A radially outer ring uses toroidal surfaces joined by a truncated cone to optimize material distribution.

Frictional engagement between tapered shims secures pivot bearings, resolving uneven radial loading and low stiffness in disk drive actuators.

Segmented fastening protrusions join the hub and disc to reduce weight, improve heat dissipation, and prevent corrosion-induced sticking.

Segmenting the third bearing element with an elastic intermediate reduces transmission housing volume while eliminating noise from radial play.

Segmented annular grooves with connecting slits enable uniform cooling of rear bearings, preventing seizure from high-speed heat generation.

Circumferential contact surfaces prevent support ring detachment from vibration, ensuring reliable clutch operation.

An elastic damping sleeve integrated on the outer ring of a turbocharger bearing reduces vibration transmission while simplifying device structure.

Segmented adjustable roller bearings preload against the race to eliminate chatter and wear from concentrated forces on the tool carrier.

Differential rigidity in instrumented bearing zones isolates rolling body deformation signals from temperature drift, improving force measurement accuracy.

Cold-formed light alloy hub uses annular grooves to mechanically interlock with a steel bearing inner ring.

Hydrodynamic lubrication in a motor floating bearing reduces noise and wear while increasing load capacity without extra components.

Spring element biases pinion shaft driving gear to maintain high preload torque across operating range.

Rolling contact between preloaded shafts increases radial stiffness in disk drive pivot bearings without raising rotational resistance.

Segmented centering part uses an annular transition zone to decouple assembly stresses, maintaining centering precision without post-weld finishing.

Internal radial and forward thrust bearings stabilize the overhung impeller, eliminating wobble during startup and preventing premature bearing failure.

A machining tool forms spline teeth with a rounded root portion to reduce stress concentration in the forming portions.

A bearing retaining assembly uses a biasing member to allow axial translation of the first sleeve relative to the second sleeve.

An outer bearing shell with a reduced region elastically deforms to tolerate swivel cradle deflection while maintaining rolling element contact width.

Acoustic emission sensors detect plastic deformation in roller bearings, adjusting limit values based on ultrasonic signals to prevent premature maintenance.

Composite spacer elements isolate current returns and patch machining imprecision to prevent fretting corrosion and wear on railway axlebox bearing assemblies.

A landing bearing assembly uses a compliance ring to absorb shock energy through elastic deformation.

Cage-mounted sensors transmit internal load, torque, and temperature data wirelessly, eliminating the need for disassembly during inspection.

Adhesive element bonds bearing ring and component, eliminating O-rings and screws to reduce installation space and prevent corrosion.

A hub unit bearing seal design integrates a metal insert primary seal with a vulcanized lip to mount an encoder and face a sensor.

External actuating projections allow pre-positioning of the retaining ring, eliminating complex in-situ assembly steps within modular transmissions.

Segmented connectors link separable production units along a guide rail, eliminating complex electrical system reconstruction during process changes.

Axial preload on conical roller bearings stabilizes the driven gear, preventing displacement under large radial loads.

Moving the encoder to the outer flange periphery expands the reading diameter, resolving low resolution limits in autonomous driving control systems.

Segmenting the wheel hub into rigidly joined sheet-metal components eliminates hot-forging costs while maintaining structural strength.

Frangible bolts and a fusible conical support fail at predetermined loads, protecting engine structures from damaging radial vibrations during rotor imbalance.

A resilient seal assembly retains lubricant within railway journal bearings using a tortuous path mechanism.

Computed spacer lengths offset differential radial ring expansion against axial spacer expansion, limiting preload variation under temperature gradients.

Segmented cover design positions the encoder radially to boost signal strength while maintaining leak-tightness against contaminants.

Sealed spherical bearings in the pivot assembly reduce premature wear and contamination in lawn mower idler joints.

A protective bearing wear measurement method calculates friction and collision values from rotor displacement and rotation speed data.

Molding annular steel blanks with controlled burring mold roughness and pressure ratios shapes rotary seal slingers efficiently.

Nests the encoder inside the bearing structure using a non-ferromagnetic flange to prevent dirt and ferromagnetic particle contamination.

Perforations in tolerance ring waves create controlled weaknesses that reduce stiffness variations, preventing post rocking and maintaining alignment accuracy.

A magnetic buffer structure absorbs accidental forces in heat dissipating fans to protect internal bearings from damage.

A suspension joint limiter ring constrains pin rotation to keep the seal in contact with the cylinder surface, preventing debris entry and lubrication loss.