Diameter:4.7625mm 3/16 inch
Grade: G10
Material Standard: GBT18254-2002
Heat treatment: JB/T1255-2001
used for deep groove ball bearings,like: 6001ZZ,6002ZZ,6003ZZ,6004ZZ and etc.
Material: Gcr15 / AISI 52100/ DIN100Cr6/EN31
Metallurgical Structure: grade 3
Sph: 0.11um
Vdwl: 0.13um
Average dB: 27dB
Ra:0.009um
Item | C% | Cr% | Si % | Mn % | Mo % | P % | S % | Hardness |
AISI 1010 | 0.08~0.13 | 0.30Max | 0.50Max | 0.07Max | 0.06Max | 55-63 | ||
AISI52100 | 0.90~1.05 | 1.35~1.65 | 0.15~0.35 | 0.25~0.45 | 0.03Max | 0.03Max | 60-66 | |
AISI 304 | 0.08 max | 17.00-19.00 | 1.00 max | 2.00 max | 0.045 max | 0.030 max | 22-26 | |
AISI 316 | 0.08 max | 16.00-18.00 | 1.00 max | 2.00 max | 2.00--3.00 | 0.045 max | 0.030 max | 22-26 |
AISI 420 | 0.26-0.35 | 12.0-14.0 | 1.00 max | 1.0 Max | 0.035 | 0.03 | 50-55 | |
AISI 440 | 0.95-1.20 | 16.0-18.0 | 1.00 max | 1.0 Max | 0.075 Max | 0.040 Max | 0.03 | 58-65 |
3/16'' LOW CARBON STEEL BALL FOR BICYCLE BEARING PARTS