Dimensional precision and rigorous clearance control
ABEC-1 to 5
tolerance grades
GCr15
bearing steel grade
100%
lot heat traceability
Spectrometer raw steel check
Ultrasonic surface wash
Radial clearance gauging
Acoustic spin analysis
Complete contaminant removal and micro-defect detection across raceways and rolling elements.
Pneumatic and electronic measurement of internal radial clearances under standardized load.
Vibration and noise grade screening from Z1V1 through Z3V3 industrial levels prior to packaging.
Verification of chemical composition and hardness profiles against bearing steel grade GCr15 specifications.
Exceeding ISO 492 dimensional standards
Our quality assurance protocols enforce strict limits on bore diameter variation, outer diameter dispersion, and ring width parallelism. Each component is calibrated to exact radial clearances and dimensional tolerances before dispatch.
Complete batch traceability is maintained through laser-etched heat-lot documentation accompanying every export crate, ensuring plant reliability engineers receive verified documentation for audit readiness.
Request metallurgical test certificates
Submit your required specifications for immediate lot inspection reports and batch documentation.