Roller Bearings TRIZ Cases

A spacer defines axial distances between radial and axial bearings, resolving manufacturing precision versus repair complexity.

Reducing pitch circle diameter and adding cut-away cage portions lowers torque loss while maintaining stiffness.

Depressions and protrusions on the guide ring lateral surfaces retain lubricant via capillary action, eliminating complex relubrication systems.

Adjusting inner-ring raceway angles compensates for press-fit deformation, maintaining optimal roller contact and durability.

An annular groove in the outer ring fitting surface contains elastic deformation, reducing relative slide between the ring and housing under combined loads.

Curved retainer pockets prevent roller skewing and reduce dynamic torque while enabling efficient lubricant flow at high speeds.

A rolling bearing uses a lateral cutout and reversible closure piece to guide rolling bodies into the raceway space.

A rolling bearing arrangement uses concentric annular elements and overlapping raceways to distribute axial forces evenly.

Convex spherical roller ends create point contact with bearing ribs to reduce sliding speed and surface pressure.

Oblique superhard bearing elements distribute load to reduce deformation and fatigue in roller bearings.

Optimized alpha beta ratio reduces contact pressure in tapered roller bearings to suppress fretting.

Segmented roller rows prevent differential sliding on inclined surfaces, reducing frictional heat generation and thermal expansion effects in compact designs.

A centrifugal compressor auxiliary bearing system uses a single axial stopper to constrain shaft movement while preventing contact with the opposing bearing.

Segmented bearing seats deliver 360-degree radial support, resolving manufacturing precision limits in deep-drawn designs.

Segmented outboard bearings nested in wheel covers reduce assembly complexity.

Resilient sealing elements isolate the sensor housing from roller bore chewing motion and contaminants while preventing unwanted rotation.

Different mechanical strength in clamping plates eliminates axial gaps during tightening, preventing outer ring migration and reducing manufacturing costs.

A connecting member secures the outer race through a front cover hole to enable up-tower gearbox bearing maintenance.

Crank-shaped bent portions guide roller positioning while retaining pawls prevent ejection, resolving inclination issues in short roller designs.

Ultrasonic vibration creates isolated concavities on actuator bearing surfaces to form effective lubricant puddles.

Segmented cage design with concave guide surfaces stabilizes rolling elements under heavy loads while reducing manufacturing complexity.

A cylindrical roller bearing uses a tapered crowned portion to increase thrust load capacity while simplifying shape control and reducing processing complexity.

An oil seal acts as a one-way check valve to block gas intrusion into the annulus, preventing cavitation erosion and maintaining oil density.

Segmented retention ring constrains axial displacement of turbine bearing outer rings, resolving bulk and assembly complexity trade-offs.

A segmented metal spacer with grooved U-shaped seals prevents fretting debris from contaminating bearing grease while maintaining precise axial play.

Segmented cage design with low friction surfaces prevents roller slip and skew in unloaded zones while maintaining lubrication.

Adhesive bonding secures the hollow spacer to inner rings, preventing radial shifting and ensuring smooth axle spindle insertion.

Segmented rollers with distinct inclination angles distribute axial preload efficiently, reducing manufacturing complexity and vibration.

A single planetary roller bearing uses integrally inserted groove profiles on bearing rings to support rotary tables with high load capacity.

Double-convex rolling elements handle high tilting moments in wind turbines, resolving the load capacity versus weight trade-off.

Segmented snap-fit retention resists axial separation during tapered roller bearing assembly.

A porous body between bearing rings absorbs and releases liquid lubricant through rotation, eliminating expensive seals.

Axial mounting threaded holes reduce radial thickness in cross roller bearings, resolving the contradiction between mounting capability and compact size.

Segmenting the outer ring surface allows hard machining only on raceways, reducing tool wear and manufacturing time while maintaining load capacity.

Low roughness surfaces and spaced rollers cut power losses while maintaining load capacity.

Axial recesses in radial beams guide molten synthetic material flow, preventing trapped air bubbles and non-uniform cooling shrinkage that cause deformation.

Inner bearing race with radially extending lands stabilizes fixed block shaft rotation in integrated drive generators.

A conical roller assembly with a skewed axis improves debris removal and wear resistance in hard earth trenching.

Different pH-resistant coatings on raceways and rolling elements preserve the separating layer in acidic or alkaline environments, reducing wear.

Pillar part protrusions and small diameter ring bumps prevent tapered roller falling during assembly, improving manufacturing efficiency.

Integrating the brake element into the bearing ring eliminates external space requirements and prevents dirt attraction from permanent magnets.

Parallel reinforcement plates with intermediate materials boost pitch bearing stiffness, reducing blade bolt stress and deformation under extreme loads.

A preload bolt applies axial force to roller bearings in an axle assembly, maintaining consistent bearing preload through a threaded connection with the planet carrier.

Asymmetric cage bar geometry creates localized grease accommodation spaces that counteract centrifugal displacement and improve lubrication reliability.

A clutch thrust bearing device uses a ball bearing with a fixed inner ring and rotatable outer ring to transmit axial forces.

Crisscrossed concaved surfaces on the separator allow installation in either direction, reducing assembly time and friction.

Segmenting the flanged radial bearing into reusable rings and interchangeable flanges resolves production complexity while maintaining structural strength.

Integrated connectors link thrust bearing races through clutch carrier access holes, eliminating obstructive fasteners and simplifying assembly.

Transfer grooves with contact point changing paths reduce sliding friction and rotary torque while increasing load capacity in this cageless design.

An axial bearing securing tab extends radially less than the sheet thickness to enable elastic deformation during insertion.