Roller Bearings TRIZ Cases

Lubrication passages in the bearing rotary ring spread oil across the end face to cut friction power loss and prevent abnormal wear.

A hollow moving mechanism guides the laser head and filler wire through curved motion and 360° rotation while reducing optical cable stress.

A 40-50° contact angle and ≤3.5° roller angle let an outer-ring flange bearing keep moment stiffness and life without sharply losing axial load capacity.

Radial reinforcement strengthens a tapered roller bearing guide flange, reducing fracture risk without increasing axial installation space.

Different contact angles and row positions split axial and radial loads, equalize roller pressure, and extend bearing service life.

A GRP seal carrier cuts weight and assembly effort in large roller bearings while maintaining precise sealing and structural stability.

A nested two-shield axial labyrinth seal blocks water and dust in railway axle bearings while limiting friction and axial space.

A WC/DLC mixed layer with a low-hydrogen DLC surface helps wind turbine self-aligning roller bearings resist wear and film peeling under poor lubrication.

Selective deburring-press relief in the cage pocket lowers tapered roller bearing torque while preserving cage strength and stable roller guidance.

Elastic protrusions maintain bearing contact and concentricity as parts expand and contract, reducing friction and wear in extreme conditions.

Integrated pilots in a turbocharger bearing support replace complex doweling, improving gear train alignment and service life.

A multilayer DLC coating with stepped hardness helps wind turbine main-shaft rollers resist wear and peeling under axial loads.

A removable wedge clamps and centers the wind turbine bearing while allowing looser tolerances, easier assembly, and simpler disassembly.

Inclined cradle bearing reactions balance swashplate axial forces and moments, reducing vibration, stress, wear, and cost in axial piston units.

An annular groove cylinder guides a piston on a curved path to keep bearing adjustment torque constant and simplify large-bearing maintenance.

Mounting the spring system on the second-ring nose removes temporary screws, speeds bearing assembly, and enables a hardened radial raceway.

A partially cylindrical bearing journal and ring-guided cage keep needle rollers axially aligned despite tolerance chains, reducing wear.

Compressed gas measures spindle shaft radial displacement through the bearing gap, keeping sensors away from chips and cutting water.

Thrust rolling bearings and a compact drive mechanism enable precise bolt swaging and reliable fastener release without breaking the shaft.

A split gas turbine bearing housing uses a slip joint, carbon seal, and pressurized air to absorb thermal growth while containing lubricant.

A tapered roller thrust bearing, spanner nut compression, and washer cut feed screw play to keep micro-volume dispensing precise and clog-resistant.

A narrow grinding undercut and nitrided large flange improve oil film formation, limiting heat buildup in tapered roller bearings.

Controlled roller-end curvature and surface roughness stabilize the oil film, reducing skew, friction torque, heat, and seizure risk.

Ceramic cylindrical rollers and a segmented center plate add axial compliance to gearbox carrier support, reducing misalignment and wear.

Fine roughness and recess control improve oil film formation under dilute lubrication while limiting sliding friction, torque loss, and seizure.

A tabbed sleeve and grooved washers retain full-complement rollers in tight radial space, boosting axial load capacity while limiting drag.

An external thrust bearing increases bearing area for axial load transfer while reducing wear and preserving housing space for downhole shafts.

An external thrust bearing increases bearing area and load capacity while a radial bearing between thrust bearings reduces wear and saves housing space.

A split clamping band and seal wear ring let tapered roller bearings be replaced on the shaft without disconnecting the mainshaft.

Out-of-round ring and cage surfaces create non-uniform clearance that cuts unbalance forces, wear, and seizing in turbine bearings.

Roller bearings let a floating shoe move with pressure changes while limiting friction and wear, helping gas turbine seals hold clearance.

Distance sensing tracks shaft-to-housing displacement to detect slewing bearing wear and tilting without full rotation or housing disassembly.

A sleeve and retaining plate enable nacelle-side gearbox bearing repair, stopping outer race rotation and restoring gear tooth alignment.

A resin cage with shaped pockets, a recessed large flange, and a 45° contact angle improves roller retention, lubrication, and bearing life.

A friction-enhancing insert layer between split pitch bearing rings limits slippage and fretting corrosion under wind loads.

Rolling internal gear bodies with rollers and cycloidal tooth profiles cut sliding, wear, and energy loss in planetary gear transmission.

Elastic slots and material bridges let the bearing inner ring spread load across more rolling elements, reducing fatigue and premature failure.

Separate strut passages route buffer air and drained oil to protect carbon seal buffering, reduce gaspath contamination, and limit oil buildup.

Brake pads held by a circular spring engage a static surface at overspeed, letting the bearing limit rotor speed without external limiters.

An integrated sealing member transmits contact pressure across the bearing unit to prevent grease leakage and simplify wind turbine rotor assembly.

Notched cage pockets discharge excess oil to cut torque loss, while crowning and a nitrogen-enriched layer improve durability under misalignment.

Machined raceways and sealed conical rollers build axial play into the hammer, simplifying sowing disc assembly and extending bearing life.

A roller bearing and pressure compensation scheme halves seal speed differential in RCDs, cutting wear and extending seal life.

A single-piece curved beam ring combines centering support and oil squeeze film damping to cut turbine vibration package space, weight, and cost.