Pack of 10 High Quality 7mm Diameter Hardened Precision Chrome Steel Ball Bearings.
Product Information:
Manufactured from AISI52100 Chromium Steel
Manufactured to the following international standrards: AISI52100 / EN31 / BS534A99 / W1.3505 / BS535A99 / UNI100C6 / AFN100C6 / DIN100C6 / JIS G4805 SUJ2
Fully through-hardened and uniformly-tempered for maximum hardness & quality
Hardness of 60-67 HRC (Rockwell C) / 700-900 HV (Vickers)
Attracted to magnets
Very high duty & life cycle - same hardened precision ball-bearings used in bearing assemblies
Industry Standard Grade 100
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
