Roller Bearings TRIZ Cases

A bearing assembly uses a threaded outer race and locking nut to secure components without interference fits.

A tapered roller bearing design uses optimized crowning parameters and specific roller loading ratios to minimize rolling viscous resistance.

A bearing unit design featuring a continuous seal surface and dedicated mounting notch.

Elastomer filling gaps between bonded sectors reduces material waste from machining while stabilizing connections.

Truncated conical rollers with resin outer surfaces reduce friction by eliminating slippage caused by peripheral velocity differences in the bearing.

A filter-mounted magnetic electrode circuit detects metal debris in lubricating oil flowing through a rolling bearing.

Disk spring races in axial needle bearings reduce frictional torque by transitioning from point to line contact under load.

Hard resin cages bury foreign particles in labyrinth clearances, eliminating seal apparatuses to simplify structure while maintaining durability.

An elastic wedge biases the worm shaft against the wheel to eliminate backlash, suppressing rattling noise under rotational vibration.

Plastic cage segments thread onto metal lamellar carrier rings to reduce thermal expansion and improve radial strength for large diameter bearings.

An asymmetric locating element and offset spacer rings in a split housing increase axial displacement capacity to prevent damage from thermal stresses.

Axial sealing member prevents lubricant leakage into hollow portion while enabling larger inner diameter and reduced axial length.

Segmented bearings maintain operational continuity after primary failure, allowing safe passenger evacuation while minimizing device complexity.

A mechanical drive seal housing incorporates a protruding lubricant reservoir to maintain consistent fluid supply for cooling.

Segmented outer ring design prevents tilting from uneven heat distribution while maintaining secure screw connections.

Asymmetric beam thickness prevents shrinkage deformation during injection molding of large synthetic bearing cages.

Compound radius bearing bore design distributes dynamic radial and axial thrust reactions across multiple curved regions.

Variable roller holding angles suppress squeak noise at low speeds while preventing roller biting into cage columns at high speeds.

Opposing tapered adapters form a V-shaped clamping arrangement that locks spherical roller bearings to shafts without damaging components during removal.

Upper and lower annular cage segments prevent air ingress into the inner space, sustaining pumping action for reliable vertical bearing lubrication.

Segmented clips with elastic portions bias rollers into position, resolving torque transmission inefficiencies caused by lateral movement.

In-situ clamping apparatus maintains bearing position during repair, eliminating costly factory transport and extensive disassembly.

Convex guide surfaces minimize contact length between rollers and the retainer, while recessed cutouts facilitate rapid oil flow to lower rotation torque.

Cylindrical mast spacer with spiral slits fits bearing inner races securely.

A bearing element uses controlled nitrogen concentration in the surface layer to prevent secular dimensional changes during harsh operation.

Cylindrical roller bearings with adjustable axial play absorb radial and tilting forces to simplify planetary gearbox assembly.

Tapered recesses in rolling-element bearing cage pockets eliminate relief milling notches that weaken cage bars, increasing load-bearing capacity.

Relocating sensors from the axial end wall to the cover side wall eliminates difficult alignment and reduces maintenance downtime.

A roller-pressing member applies radial force to prevent skewing in strain wave gear devices, ensuring smooth rotation.

Protruding wings confine roller inactive end surfaces, reducing friction waste and enhancing operational stability.

Interlocking reliefs between the steel insert and aluminium body prevent relative movement under thermal expansion while reducing overall weight.

Normalizing treatment refines austenite grain size in caulked sections, preventing cracking during assembly.

A rolling bearing cage divides into sector elements and web strips to reduce material waste from machining while enabling snap-in retention of rolling bodies.

A crossed roller bearing integrates a flush flange to reduce axial thickness and weight while maintaining structural strength.

Outer rim constrictions prevent needle boring from centrifugal forces while retaining webs integrate directly into the rim structure.

A planetary transmission uses a dual-function check disk to support the carrier radially and axially.