認証類
two sides seals or shields
Quality
high quality and precision
rings height
3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm 14mm 15mm 16mm
type
stainless steel ceramic hybrid ball bearing
Balls
Zro2 Si3N4 SiC Al2O3 stainless steel chrome steel
Material
stainless steel ,bearing chrome steel ,ceramic to custom needing
Charmfer
accroding to special design, 15 30 45 degree chamfer