19mm 420 Cutlery Grade Stainless Steel Ball Bearing Pack of 1

• Manufactured from AISI 420 Cutlery Grade Martensitic Stainless Steel
• Manufacturedto the following international standards: AISI 420 / DIN 5401 / BS970 420S37 420S45 / DIN 1.4021, 1.4025, 1.4034 / AFNOR Z30C13, Z40C14 / JIS SUS 4200JI, 420J2
• Fully through-hardened and uniformly-tempered for maximum hardness, strength & quality
  • Hardness of 52-55 HRC (Rockwell C) / 540-640 HV (Vickers)
• Excellent corrosion resistance to fresh water, steam, alcohol, bodily fluids, oil & foodstuffs. Will never rust
• Excellent polishability
• Attracted to magnets
• Can be machined and drilled
• Very high duty & life cycle - same hardened precision ball-bearings used in bearing assemblies
• Industry Standard Grade 100 (G100)

Suitable for:

• Calibration & examination
• University, college, school & laboratory work
• Arts, crafts & jewellery
• Cycle headset and cranks
• Ornamental and display
• Toys, models, train sets, remote control vehicles
• Model engineering / industrial
• Sporting - ammunition / slingshot / catapults