Roller Bearings TRIZ Cases

A separate internal bearing redirects axial and bending loads in a metallic-composite joint while protecting threaded surfaces.

By moving the planet gear bearing inside a hollow crankpin, this case reduces toothing wear, crack risk, mass, and gearbox space.

A bellows spring applies axial preload while accommodating radial flexure, maintaining tapered roller bearing contact and reducing wear.

Frangible tabs with calibrated stress concentrators let turbine bearing outer races decouple under overload while preserving compact support integrity.

An annular channel cylinder built into a bearing ring keeps slewing torque constant in both directions and simplifies maintenance.

Sequencing largest and smallest rollers at evenly spaced high and low points cuts bearing runout and assembly error without tighter tolerances.

A permeable retaining wall and auxiliary reservoir meter grease between bearing rows to improve lubrication coverage, reduce leakage, and save axial space.

An adjustable shim shifts the bearing seal axially to restore sealing contact, extend ring life, and cut marine bearing maintenance.

Flexible connecting portions let inner and outer raceways tilt together, limiting edge wear while keeping gas turbine bearings light and stiff.

A supported gearbox and rigid skid frame help reciprocating pumps resist vibration, bending loads, and housing deformation while easing assembly.

Different roller lengths and contact angles equalize surface pressure in double-row bearings, raising load capacity without exceeding width limits.

Different logarithmic roller profiles let axial and radial bearings handle asymmetric and extreme loads with less wear and longer service life.

Segmented axial and partial circumferential grooves route oil through the bearing inner ring while lowering hoop stress at high speed.

A tone wheel and sensor preload tapered roller bearings in a separate housing to stabilize imbalanced fan shafts and reduce motor bearing wear.

Temporary heating lets spherical roller bearings fit a single-piece housing, increasing drive train stiffness while reducing frame weight and bolts.

An annular channel cylinder and piston integrated into the pitch bearing keep wind turbine blade adjustment torque constant without complex pressure control.

Separate strut paths route buffer air and oil drainage to keep turbine bearing-compartment oil out of the gaspath and bleed air.

Conical races and one-piece rims enable eccentric-pivot assembly of an angular contact roller bearing with higher load capacity and lower cost.

A symmetrical stiffener ring at the blade root evens pitch bearing stiffness, reducing stress, deformation, and pressure spots under high wind loads.

Thermal fitting and an access window let a single-piece drive train housing use spherical roller bearings to raise stiffness at lower cost.

Integrated radial and axial raceway surfaces on the output shaft and housing improve cam rotation precision and rigidity without increasing size.

A bolt, anti-rotational washer, serrated locking washer, and notched nut standardize roller bearing preload torque for stable load and reliability.

A sleeve with axial ridges and a sliding disc unitizes the bearing for transport and guides installation while reducing seal and cage damage.

A retaining rib blocks axial roller displacement during handling and assembly, removing temporary plates while preserving stable raceway contact.

Plastic working after polishing fills gaps around non-metallic inclusions and adds compressive stress to extend bearing rolling fatigue life.

Annular slit jets and heat-pipe cooling keep wind turbine shafting within range, preventing bearing overheating, grease failure, and seizure.

An annular assembly ring holds tapered rollers against gravity during bearing assembly, then slips off as the second race element is installed.

Disjointed cage segments limit centrifugal-force transfer in roller bearings, reducing deformation while preserving roller alignment at high speed.

Cold extrusion forms the raceway and fixed edge in one step, cutting inner ring cost while improving bearing quality and friction.

A contoured rotary seal placed at the shaft tilt focal point maintains sealing during radial deflection and improves directional drilling control.

Circulating elements roll in a chamber to lock pivoting support arms precisely while reducing wear, load peaks, and manual alignment.

A compressible ring keeps stacked thrust bearing parts aligned during shaft separation while absorbing axial impact and avoiding assembly fixtures.

Controlled roller roughness and hardened, compressively stressed raceways delay thrust bearing wear under low-oil lubrication.

An electrical power manifold with a stinger assembly cuts reconfiguration time and conditions pulsed power for downhole electrocrushing tools.

Oil-fed centering sleeves and a two-part cage reduce misalignment, slippage, and seizure in high-speed bearing assemblies.

Integrated ring projections transfer dismounting force to roller elements, preventing self-locking and enabling fast bearing removal.

A groove-guided sliding carriage measures axial ring displacement accurately, avoiding magnetic targets and improving bearing wear monitoring.

A replacement bearing ring and jack-screw load path let damaged turret support rows be remediated in situ while the vessel remains on station.

A thin U-shaped bearing cage cuts weight and inertia while adding lubricant storage, reducing leakage, waste, and manufacturing cost.

Radial locking features on a snap-fit bearing cover secure axial retention in the housing without high interference fit or knurling.

A through-hardened first cage half and carburized second half prevent drilling wear while allowing crimping without cracking in thrust bearings.

Elastic tongue-shaped projections hold bearing rollers in cage pockets during transport, avoiding cage redesign and tooling changes.

Internal and external fins raise oil tank heat exchange with air and lubricant, improving thrust bearing cooling under high thermal load.

Adaptive raceway and rolling-element contact geometry lets a rolling bearing vary rated capacity, cutting size, weight, torque, and energy loss.

A detachable gas turbine bearing compartment keeps lubrication fluidally isolated, enabling faster replacement while reducing support weight.

Separate strut flow paths route buffer air and leaking oil to keep carbon seal bleed air cleaner and reduce gaspath contamination.

A three-bearing layout uses one radial bearing between two axial bearings to limit deformation while supporting high axial loads and tilting moments.

Oil-fed through-holes cool the hotter bearing inner ring end, reducing thermal gradients and oversized clearances in turbine engines.

Flexible hairpin connectors let turbine bearing supports absorb thermal growth and vibration while preserving stiffness and seizure resistance.

Controlled roller and raceway roughness with high compressive stress helps discharge debris and cut thrust bearing wear under low oil supply.