Roller Bearings TRIZ Cases

Miniature 2 mm rollers and a cylindrical separator in ultrathin one-piece rings reduce inertial mass while maintaining rigidity.

Groove filler prevents elastomer flow into the outer ring, preserving full volume for axial clearance compensation.

An integrated generator inside the roller bore harvests rotational energy to power sensors, eliminating battery constraints and cage dependency.

A tapered collar and threaded nut secure the bearing inner ring to the shaft via uniform friction.

Polymeric slug ball separators eliminate chamfered races and boost fatigue life by 50% in helicopter swashplates.

Axially mounted part rings eliminate radial openings, restoring axial and radial force capacity while simplifying mounting operations.

Elastic claw-shaped protrusions accommodate ball insertion without damage.

A bearing assembly integrates a grease cartridge with axially extending passageways filled with second grease to extend lubrication duration.

Segmented bearing cage positions webs above and below the pitch circle to increase rolling element count while maintaining structural stability.

Segmented bearing rows with a floating spacer guide rolling elements to handle thrust loads, reducing maintenance complexity for large wind turbines.

Flexible shell membranes compensate for angular misalignments up to 1.5 degrees while maintaining sealing integrity.

Spherical thrust bearing assembly reduces axial stress on rotating axle shafts through press-fit engagement.

A sliding floating seal accommodates thermal gradients and structural misalignment, preventing contaminant infiltration without adding external encasing covers.

Cutting a cylindrical blank into semi-cylindrical halves and reassembling them creates pockets that maintain roller positioning without spacers.

Segmentation separates the thread from the thin tube, enabling fatigue-resistant adjustment without compromising structural integrity.

A self-aligning roller bearing uses a rotatable sealing ring to seal against an inner ring mating surface.

Segmented axial grease feeds ensure reliable lubrication across large wind turbine bearings while minimizing sealing challenges.

A coupling assembly with a rotating spindle and bearing device adjusts wheel position relative to the ground.

Serpentine ligaments in an annular spring reduce axial space and weight while maintaining rotor dynamic support.

Segmented flange ring resolves installation space constraints while maintaining structural strength for reliable bearing operation.

A bearing merges two rolling element rows sharing a pressure center and contact angle to handle radial and axial loads.

Segmented cage design with rotating guide portion increases roller packing density, reducing surface pressure and preventing flaking under harsh lubrication.

Multiple bearings on the drive shaft absorb upward forces in acrylic acid purification, preventing equipment damage from sudden force changes.

Elastic pins secure annular deflectors through inner ring bores, eliminating crimping zones and reducing axial size.

A second undercut disperses stress concentration from machining undercuts, reducing maximum stress by over 10% to prevent cracking.

A differential squeeze film damper assembly couples high-pressure and low-pressure turbine shafts to manage radial forces.

Segmented outer members prevent relative angular displacement between drill bits and shafts.

An annular plate maintains axial preload on rolling bodies, resolving sealing risks from complex assembly while minimizing bulk.

A locked spacer prevents rotational misalignment on a gas turbine shaft, reducing fretting wear at splined interfaces to extend component lifespan.

Interconnected grooves and oil feed holes distribute lubricating oil to cylindrical roller bearings, reducing consumption while maintaining load capacity.

Axial gaps between flanges and rollers prevent contact under large loads, reducing wear and noise in slow-rotating wind turbine applications.

Combination bearing oil retainer stores lubricant within axial and sealing washers, preventing damage from insufficient supply during high-speed free-wheeling.

Segmented cage design and flexible ring-shaped rolling elements reduce vibration and wear while maintaining manufacturing precision.

Concave spacer surfaces with radial clearance prevent pressing against rings, reducing heat generation and wear during high-speed operation.

Segmented induction heating cycles balance inner and outer ring temperatures to prevent damage from uneven thermal expansion.

Segmented polymer cages with parallel pocket axes resolve demoulding difficulties in large-diameter roller bearings.

Segmented components with an intermediary snap ring prevent axial translation and rotational displacement between the inner ring and trunnion.

A double-row spherical roller bearing features a specific outer ring circumferential groove to optimize lubricant distribution.

Simultaneous machining of the plug and race blank eliminates cumulative errors, achieving high stiffness and smooth operation without jar or wobble.

Dual injectors supply fresh and recirculated lubricant to bearing rings, eliminating pumps and filters while reducing fuel consumption in aeronautical vehicles.

Concave cylindrical rollers engage toroidal raceways to distribute radial loads, preventing fretting damage and metal fatigue under high-speed conditions.

A press mechanism applies compressive load to a bearing while an aligning ring engages a shaft slot for precise positioning.

Folded housing walls constrain axial bearing movement to eliminate swiveling under vibration, ensuring precise EGR valve operation.

A spacer forms a pocket to hold superposed rollers in rolling bearings.

A spacer assembly with extension portions contacts adjacent spacers to distribute mechanical loads across the bearing structure.