Rolling Contact Bearings TRIZ Cases

A flared inner bearing race element enhances shaft rigidity, reducing mass and improving transient response in mixed flow turbines.

Optimizing the sealing chamber width-to-diameter ratio reduces friction torque and wear while maintaining reliable sealing performance.

A flanged inner ring uses a conical preloading surface to control axial preload during orbital forming operations.

A polymeric sealing ring joins the steel core and lightweight outer body, preventing galvanic corrosion and fretting caused by differential thermal expansion.

A rolling-element bearing cage bridge section uses a non-rectangular cross-sectional shape to enhance bending stiffness and structural rigidity.

Curved reinforcement element with cavity reduces torsional deformation in wind turbine main bearings, stabilizing the generator air gap.

A roller bearing inner ring uses a thin-wall part to reduce surface pressure at the ridge line contact area.

Axially spaced outer races form oil films to absorb vibrations and reduce friction loss in turbocharger bearings.

Offset internal gear transmits driving force to the hub flange, creating central space for generator and wireless device integration.

An integrated shaft seal transmits pressure medium through an internal cavity, reducing axial forces on sealing lips to extend service life.

A concentric hydraulic actuator moves a housing axially to adjust vehicle ride height within a suspension strut assembly.

Segmented pocket diameters with radial grooves resolve the lubricant flow versus noise trade-off in turbocharger bearings.

A rolling bearing cage uses spherical walls to hold balls in sliding contact, ensuring stable axial mounting.

Tangential elastomeric damping stop absorbs transverse forces to eliminate impact noise while maintaining high load capacity and radial mobility.

Segmented tapered roller bearings create a preload circuit that reduces axial play and bearing weight in wind turbines.

Stationary shield attaches to cage using interlocking connection elements, improving sealing reliability without increasing bearing perimeter or friction.

Segmenting the torque transmission into a replaceable cartridge bearing assembly reduces roller wear and manufacturing complexity.

An asymmetric spacer chain design reduces friction and prevents interference in twisted paths by segmenting modular units.

A load-receiving surface on the housing counteracts upward thrust loads from the upper bearing, stabilizing the annular spring preload and reducing degradation.

An auxiliary drive uses a torsion spring on inclined surfaces to transform torque into axial force, eliminating noise from shaft play without adding friction.

Rounded inner ring corners prevent ball damage during assembly while asymmetric pitch diameters enhance rigidity without increasing size.

Optimized face spline geometry increases load-bearing capacity, reducing tilting under load to improve vehicle stability.

A wireless passive strain sensor uses electromagnetic coupling between inner and outer coil holders to measure shaft strain without batteries.

A die constrains radial expansion during cold reshaping of wheel bearing rivet collars, enabling deep tooth formation without inner ring widening.

One-sided assembly integrates drive parts and lock components into a steering lock body, resolving complex multi-directional assembly processes.

Claws on a washer absorb thermal expansion differences to maintain bearing stability and reduce vibrations.

A wheel bearing seal uses a grease lip fastening force to maintain side lip contact loads below 1.5 times that value.

Axial clamping replaces radial glue with spring preload to fix bearing inner parts, reducing wear and improving axial runout precision.

A disc brake roller bearing connects its cage to the outer shell via projections and window sections.

Camshaft-driven adjustable pulley assembly reduces drive unit volume by taking up slack in the flexible drive member without adding external complexity.

Segmented intermediate foil pieces with engagement projections eliminate thermal distortion from welding while maintaining structural integrity.

Grooves on the outer shaft retain lubricating oil during shutdown, eliminating delivery delays and preventing bearing wear at startup.

Pre-loaded biasing members distribute axial load between dual ball bearings, reducing wear on engine starter rotors.

A wheel end assembly separates venting from the seal by routing gas through a spindle vent passage, reducing complexity and cost.

Internal compressible material fills a cage structure to reduce user fatigue and recoil without increasing grip dimensions.

A wheel bearing inner member features a guide groove in its spline hole to enable precise finishing broach alignment.

Axial recesses on the support disk and axle supply lubricant to the needle bearing, eliminating costly radial transverse bores.

Cutouts in the retainer crossbars redirect lubricating oil away from the inner ring flange, reducing rotational resistance and torque loss by up to 11.5%.

Force-fitting the shield on the inner surface improves mechanical strength while concealing rust formation on exposed surfaces.

A rolling bearing sealing device uses radially spaced lips and a convex outer sector to maintain effective lubricant containment.

Curved root geometry disperses stress concentration at the outer ring flange base, extending component lifespan and improving axial force resistance.

Variable side plate gaps prevent air carry-over at upstream pads, maintaining oil film pressure and load balance.

Plastic film wrapping shields bearing steel from moisture and salt water, ensuring reliable operation in corrosive environments.

Parallel strut bending reduces torsion stresses during miniaturization, enabling high mechanical advantage for precise bearing preloads.

Adjustable sleeve sets precise prestressing forces to resolve handling difficulties and accuracy trade-offs in large wind turbine bearings.

A cassette seal encoder uses a downward slant to recirculate dirty water via centrifugal forces within wheel bearing assemblies.

An integrated bearing section uses spherical members in grooves to enable axial movement between a mandrel and housing.

A single band-shaped strain generator body integrates multiple sensor units to detect wheel bearing load.

Laser ablation removes protective layers from strain gauges, eliminating complex masking and etching steps.

Primary bearing fastened to driven gear transmits thrust loads directly to the main shaft.