* Inner Diameter (ID): 6mm 6.35mm 7mm 8mm
* Outer Diameter (OD): 7mm - 20mm
* Length: 2mm - 30mm
* Features:
1: High quality bearing steel, with uniform hardness, can withstand high temperatures, and has a long service life
2: Stable performance, low friction, and good speed efficiency
3: Smooth surface without burrs
4: The bearing steel undergoes overall quenching treatment, high hardness and greater durability
* Application: Widely Use in Automotive, Aerospace, Machine Tools, Electric Locomotives, Steel Rolling Equipment And Other Fields,
Especially Suitable For Manufacturing Precision Mechanical Parts Such As Bearing Rings, Rolling Elements, Steel Balls, Rollers, Etc.