LOW NOISE AISI 52100 HIGH PRECISION CHROME STEEL BALLS

High precision AISI 52100 chrome steel balls feature the lowest tolerances and noise levels.
Applications
High precision & aircraft bearings, recirculating ball screws, high precision spindles & gears, bearings for electric motors.
Chemical composition
%C
%Si
%Mn
%P
%S
%Cr
%Ni
%Mo
%Cu
-
-
-
0.95-1.05
0.15-0.35
0.25-0.45
0.025 max
0.025 max
1.40-1.65
0.30 max
0.08 max
0.20 max
-
-
-
International standards
ITA
USA
GER
FRA
UK
RUS
CHN
JAP
100Cr6
52100
1.3505
100C6
534A99
9Ch1
GCr15
SUJ2
Physical / mechanical / thermal / electric / magnetic properties
Property
Symbol
U.o.M.
Type
Notes
Values
Density
δ
[g/cm3]
Physical
Room temp.
7.80
Young's modulus
E
[GPa]
Mechanical
-
200
Specific heat
c
[J/kg-K]
Thermal
Room temp.
464
Coefficient of linear thermal expansion
α
[10^-6/ºC]
Thermal
(ΔT=0-100°C)
12.3
Thermal conductivity
λ
[W/(m·K)]
Thermal
Room temp.
42.4
Electric resistivity
ρ
[Ω*m*10^-9]
Electric
-
215
Relative magnetic permeability
µ
-
Magnetic
Ferromagnetic
> 300
Technical data
Property
Type
U.o.M.
Values
U.o.M.
Values
Hardness
Mechanical
[HRC]
60 - 66
-
-
Ultimate compressive strength
Mechanical
[MPa]
2500 - 2600
[psix10^3]
362 - 377
Service temperature
Thermal
[ºC]
-60 / 150
[ºF]
-76 / 302
Range
Diameters
U.o.M.
Diameters
U.o.M.
Precision grades (ISO 3290-1)
1.000 - 16.000
[mm]
3/64 - 5/8
["]
G5
Revision n.6