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1/4" Series steel ball retainer with chrome steel ball
size | 1/4“×6 |
size | 1/4”×7 |
size | 1/4”×9 |
size | 1/4“×11 |
7/32" Series steel ball retainer with chrome steel ball
size | 7/32" × 8 |
size | 7/32" × 10 |
3/16" Series steel ball retainer with chrome steel ball
size | 3/16" × 7 |
size | 3/16" × 9 |
5/32" Series steel ball retainer with chrome steel ball
size | 5/32" ×16 |
Features: Materials: AISI1008~1086(1045, 1065, 1086.
1.size:31/32,24.606MM
2.Grade:G10-G200
3.Material:bearing steel(GCr15/GCr15simn)/carbon steel(10/15/45/85)/stainless steel(OCr17Ni9/3Cr13/9Cr18)/chrome steel/nikel steel/bicycle steel
4.Hardness:HRC42-60
5.standard:GB308-2002
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 x7,3/16 x9 bicycle parts of steel ball retainers with chrome bearing steel ball
