AISI52100 chrome steel ball, 100CR6 GCR15 chrome steel ball
With Grade G10 and 19.05mm
AISI52100 chrome steel ball, 100CR6 GCR15 chrome steel ball
With Grade G10 and 19.05mm
19.05mm 3/4 Inch Chrome Steel Ball Specfication :
Material: AISI 52100 Gcr15 SUJ2 100Cr6
Size: 19.05mm
Grade: G100
Tolerance: +/-0.0025mm
Hardness: 60-66
Bearing Steel Balls For Sales Specification:
| Material | Carbon Steel/Chrome Steel/Stainless Steel |
| Size | 1mm-30mm |
| Grade | G10/G16/G40/G60/G100/G200/G500/G1000 |
| Hardness | 25HRC/28HRC/30HRC/58HRC/60HRC/63HRC/67HRC/68HRC |
| Anti rust way | Anti rust oil packaging |
| OEM |
Hole Drlling, Threading,Surface Polishing, Satin, Plating Eletroplate etc. |
Some of Steel Balls Size We Produced:
|
Inch Size
|
MM Size
|
Inch Size
|
MM Size
|
Inch Size
|
MM Size
|
Inch Size
|
MM Size
|
|
1/16
|
1.588
|
5/16
|
7.938
|
9/16
|
14.288
|
15/16
|
23.812
|
|
3/32
|
2.381
|
11/32
|
8.731
|
19/32
|
15.081
|
1
|
25.4
|
|
1/8
|
3.175
|
3/8
|
9.525
|
5/8
|
15.875
|
17/16
|
26.988
|
|
5/32
|
3.969
|
13/32
|
10.318
|
21/32
|
16.668
|
9/8
|
28.575
|
|
3/16
|
4.762
|
7/16
|
11.1125
|
11/16
|
17.462
|
19/16
|
30.162
|
|
7/32
|
5.556
|
29/64
|
11.509
|
23/32
|
18.256
|
5/4
|
31.75
|
|
15/64
|
5.953
|
15/32
|
11.906
|
3/4
|
19.05
|
21/16
|
33.338
|
|
1/4
|
6.35
|
31/64
|
12.303
|
25/32
|
19.844
|
11/8
|
34.925
|
|
17/64
|
6.747
|
1/2
|
12.7
|
13/16
|
20.638
|
23/16
|
36.512
|
|
9/32
|
7.144
|
17/32
|
13.494
|
7/8
|
22.225
|
3/2
|
38.1
|
Grades of High Precision Bearing Balls:
| Grade: G10 to G1000 | |||||
| Grade | ball diameter | spherical | surface | lot diameter | nomainal ball |
| variation | deviation | roughness | variation | deviation tolerance | |
| Vdws | Sph | Ra | Vdwl | Tdn | |
| not over | |||||
| μm | |||||
| 10 | 0.25 | 0.25 | 0.02 | 0.5 | * |
| 16 | 0.4 | 0.4 | 0.025 | 0.8 | * |
| 20 | 0.5 | 0.5 | 0.032 | 1 | * |
| 24 | 0.6 | 0.6 | 0.04 | 1.2 | * |
| 28 | 0.7 | 0.7 | 0.05 | 1.4 | * |
| 40 | 1 | 1 | 0.06 | 2 | * |
| 60 | 1.5 | 1.5 | 0.08 | 3 | * |
| 100 | 2.5 | 2.5 | 0.1 | 5 | ±12.5 |
| 200 | 5 | 5 | 0.15 | 10 | ±25 |
| 500 | 12.5 | 12.5 | * | 25 | ±50 |
| 1000 | 25 | 25 | * | 50 | ±125 |
We Also Can Produce Ceramic Balls :
|
Item
|
Units
|
Si3N4
|
ZrO2
|
GCr15
|
9Cr18
|
|
Color
|
-
|
Black
|
White
|
Grey
|
Grey
|
|
Density
|
g/cm3
|
≥3.20
|
5.95-6.05
|
7.85
|
7.85
|
|
Hardness (HV)
|
Gpa
|
16
|
12
|
7
|
7
|
|
Flexural Strength
|
Mpa
|
>720
|
900
|
-
|
-
|
|
Fracture Toughness
|
Mpa.m1/2
|
6.2
|
7
|
20
|
25
|
|
Elasticity Modulus
|
Gpa
|
300
|
210
|
208
|
200
|
|
Coefficient of Thermal Expansion
|
10-6/℃
|
3.0-3.2
|
10.3
|
12.5
|
17
|
|
Thermal Conductivity
|
w/m.k
|
15-20
|
2.2
|
40
|
40
|
|
Volume Resistivity
|
Ω.cm
|
>1014
|
1012
|
0.1-1
|
0.1-1
|
|
Max. Operating Temp.
(No load)
|
℃
|
1200
|
850
|
300
|
150
|
Application of Bearing Balls :
Gcr15 bearing steel ball is widely used in high-speed and low-noise bearing, bicycle, motorcycle, automobile,bags, electronical industry.The bearing steel ball can be used for grinding other medium.
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