Roller Bearings TRIZ Cases

Chamfered and inclined roller ends maintain continuous flange contact to prevent edge loading, heat rise, and squeaking under axial load.

A retainer and fastener replace spanner nuts and long shafts to secure bearing position while cutting gearbox length, weight, and complexity.

Different roller contact angles balance two-row loads, while a protrusion prevention jig stabilizes bearing assembly and installation.

A recessed spacer groove lets axial force hold outer rings against rollers during assembly, preventing skew and enabling stable preload.

A divided thrust ring and raceway ring improve underwater rotary joint sealing while reducing wear, corrosion, and maintenance work.

A planetary gear set and globoidal worm drive give electric commercial vehicle steering the torque assist and robustness hydraulic systems lack.

Controlled hard rolling with an 8-25x roll diameter ratio raises bearing raceway static load capacity while preserving dynamic life.

A hook-slot joint with leaning and limiting protrusions strengthens chain belt end connection to prevent unhooking, noise, and rough rolling.

Modular stop bores, a base groove, and a pivoting finger limit slew ring rotation beyond 360° while saving space and cost.

Standardized housings and support structures accept different bearing designs, cutting transmission manufacturing cost while meeting load needs.

Localized induction hardening keeps the bearing inner ring hard at the raceway and flexible at the clamp, reducing noise, vibration, and damage.

A shaft-mounted holding means restrains bearing outer-ring drift, enabling gearbox assembly and maintenance in any orientation.

Contour grooves or projections let one compact sensor track bearing wear, deformation, position, and speed with less cabling and space.

A cooling jacket around the bearing box shields the bearing and oil seal from radiant heat in continuous casting rollers, preventing oil degradation.

A segmented restricting member stabilizes bearing axial position in an eccentric speed reducer without contacting the gear or nearby parts.

Integrated seal-disc engagement secures large bearing seals without screws, preserving ring strength, speeding assembly, and limiting lubricant leakage.

A nested fixing element and anti-rotation mechanism cut follower bearing installation space while making mounting more stable and convenient.

Center-web lifting bores let cage segments be placed directly on the inner ring, removing spacers and simplifying split bearing assembly.

Inclined elastic links in a monobloc bearing support create different transverse stiffness to delay high-speed turbine shaft instability.

Guide claws and a removable connecting member keep tapered rollers seated and segments joined during inverted bearing assembly.

Force-measuring pins placed along the bearing axis extend into the loaded ring zone to capture radial and axial loads more reliably.

By linking a three-row slewing bearing directly to the gearbox, this case removes the main shaft to cut size, weight, and assembly cost.

An axial-radial bearing row lets a coaxial gear stay compact while improving radial and axial run-out and preserving hollow-shaft space.

Segmented straight, arc, and logarithmic crowning evens roller bearing contact pressure and extends life from light to heavy loads.

Elastic centering and torsionally rigid PCB mounting keep axial spacing stable in bearingless angle measurement under vibration and shock.

Fluid-driven piston feedback and proximity sensing enable repeatable bearing preload setting despite seal drag and field assembly variation.

Press-formed grain flow aligned with bearing raceways avoids exposed grain ends after grinding, improving ring durability and lowering torque.

A single-joint direct-drive roller bearing layout cuts thermal distortion and preload variation to maintain nanometer-level rotary table accuracy.

A secondary roller with three rotational freedoms follows the track web to cut flap roller wear, extend service life, and reduce maintenance.

A retaining element isolates the bearing unit during overmolding, preventing heat and pressure damage while keeping a secure fit.

A grooved cage with retention tabs increases washer clearance to prevent contact, reducing friction and wear under radial misalignment.

Hydraulic pressure and a coaxial bayonet layout shorten roll-journal bearing mounting space while simplifying removal and improving safety.

Varying race corrections by angular sector helps large rolling bearings handle uneven loads, maintain contact, and reduce edge wear.

A hardened raceway sleeve is clamped to a corrosion-resistant mast with a threaded nut, preventing axial movement without stress-raising threads.

Fitted and bonded protrusions and through holes let a thin rolling bearing resist vibration-driven separation with fewer component types.

Integrated seal and housing grease channels improve contamination sealing in conveyor pulley bearings while keeping the plummer block compact.

Support tools hold tapered rollers during hub bearing assembly, enabling general-purpose cages and cutting assembly cost and labor.

A support ring strengthens the plastic cage against centrifugal forces, extending axial roller bearing life at higher speeds.

Pre-greased sealed ball bearings cut lubrication maintenance and internal clearance issues in necker machine cam followers.

A shaft-mounted lifting assembly unloads the rotor bearing for faster seal and bearing maintenance without emptying the vessel or risking contamination.

A sealed roller bearing and hollow axle cut mast-top lubrication needs while adjustable counterweights keep a tilt tower balanced as equipment loads change.

Multiple sensors around the spindle separate radial displacement from diameter change, improving bearing abnormality detection under thermal and centrifugal deformation.

Slide cores are withdrawn before mold opening while annular sections stay axially supported, preventing radial deformation in resin retainers.

A threaded bolt, anti-rotational washer, serrated locking washer, and notched nut standardize roller bearing preload torque and retention.

A pin-and-recess worm screw housing lets rotary tables adjust gear backlash precisely while maintaining alignment and limiting grease splatter.

An annular seal along the ring boundary helps a segmented rolling bearing cut weight and axial size while limiting lubricant leakage and debris entry.

Recessed plug rigidity lets rollers keep line contact in strain wave gearing, reducing one-sided loading, transmission error, and wear.

Distributed upper and lower bearings let an offshore crane carry heavy loads with a smaller pedestal and lower mast height.

Rayleigh step arrays in roller pockets generate hydrodynamic force to limit skew, maintain lubrication, and reduce friction in high-speed bearings.

A contour projection on the bearing ring lets one non-contact sensor track wear, deformation, and rotational movement with less space and complexity.