⚙️1. ROLLER-BEARING MACHINING PROCESS
Sequential manufacturing workflow for cylindrical, spherical, and tapered roller bearings

⚙️2. BALL-BEARING MACHINING PROCESS
Precision cold/hot forming, super-grinding, and raceway lapping for deep groove & angular contact bearings

INTELLIGENT MANUFACTURING FACILITIES
Our state-of-the-art production plants utilize German precision machining principles, high-rigidity CNC toolheads, and continuous monitoring systems to deliver ultra-durable bearings with ABEC-3 / ABEC-5 (P5/P6) tolerances.

⚡Sequential 9-Stage Manufacturing Process
Comprehensive quality control at every phase of industrial bearing machining
PROCESS 1: RAW MATERIAL QUALITY CONTROL
Strict spectroscopic chemical analysis and ultrasonic flaw detection on incoming high-carbon chromium bearing steel (GCr15 / AISI 52100). We inspect steel inclusions, spheroidized annealing structure, and dimensional uniformity right from the source.


PROCESS 2: PRECISION HOT & COLD FORGING
Blanks are shaped using high-tonnage hydraulic forging presses. Precise forging aligns metal grain flow with bearing load lines, eliminating internal porosity and increasing dynamic fatigue strength by over 40%.


PROCESS 3: CNC TURNING & CONTOURING
High-precision multi-axis CNC turning machines cut inner/outer ring raceways, chamfers, seal grooves, and stop ring slots with a daily multi-ton production capacity to feed continuous grinding lines.

PROCESS 4: ATMOSPHERIC HEAT TREATMENT
Continuous automated Austrian/Japanese style heat treatment lines perform computer-controlled heating, salt-bath bainite/martensite quenching, and sub-zero tempering to achieve uniform Rockwell hardness of HRC 60 - 65 and superior dimensional stability.



PROCESS 5: ROLLING ELEMENT MICRO-FINISHING
Manufacture of Grade 10 steel balls, cylindrical rollers, spherical barrels, and tapered needle rollers using diamond-lapping disks and acoustic vibration sorting to guarantee perfect sphericity and mirror-like Ra 0.02μm finish.



PROCESS 6: RACEWAY GRINDING & SUPER-FINISHING
High-speed CBN internal and external grinding followed by stone oscillation super-finishing to create log-profile raceways that distribute radial and axial loads evenly, eliminating stress concentration.



PROCESS 7: CLASS-1000 DUST-FREE CLEANROOM ASSEMBLY
Fully automated robotic assembly lines operating under positive air pressure and HEPA filtration. Robotic arms pair inner/outer rings with matched ball complements, inject premium polyurea synthetic grease, and press-fit dual lip nitrile/fluororubber seals.



PROCESS 8: ADVANCED METROLOGY & QUALITY INSPECTION
100% full-inspection laboratory verifying radial clearance (C2/C0/C3), rotational vibration/noise (Z1/Z2/Z3 & V1/V2/V3), dynamic runout, and surface roughness using German Zeiss 3D CMMs and British Taylor Hobson instruments.


PROCESS 9: CONSTANT-TEMPERATURE 3D WAREHOUSING
Climate-controlled multi-tier automated racking maintaining steady 20°C temperature and 45% humidity. Robotic stacker cranes manage barcode-indexed inventory for rapid palletized dispatch across regional distribution hubs.

🔬Quality Metrology & Testing Equipment
High-precision European and international laboratory instrumentation ensuring 100% defect-free delivery
ZEISS 3D Coordinate Measuring Machine (CMM)
German 0.5μm resolution
MetrologyTaylor Hobson Roughness & Profiler X-3 160
British optical profilometer
Surface TestingWall Thickness Measuring Machine H904
Radial wall concentricity
DimensionalMicro-Electronic Height & Runout Gauge
Digital micron indicator
DimensionalPrecision Height Measuring Machine
Multi-axis vertical benchmark
DimensionalRoller Geometry Measuring Machine D051
Taper & crown profile tester
Rolling ElementsInner Bore Diameter Measuring Machine D713
Pneumatic bore comparator
Bore & ODBore Vertical Difference Measuring Instrument C923
Perpendicularity gauge
Bore & ODOutside Diameter Measuring Instrument D914
Multi-point OD scanner
Bore & ODUniversal Measuring Instrument D904
Full geometric form analyzer
MetrologyInternal Radial Clearance Instrument X293A
Dial C3/C0 comparator
ClearanceAnderon High-Frequency Vibration & Noise Tester
Acoustic decibel & velocity sensor
Noise & VibrationNeed Custom Bearings or Factory Inspection?
We manufacture standard and custom-engineered ball & roller bearings for automotive, industrial machinery, and agricultural equipment with guaranteed dimensional accuracy and competitive wholesale prices.
