Shandong JinNai International Trade Co., Ltd.
Shandong JinNai International Trade Co., Ltd.
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DIN 5401 Chrome Steel Ball 55MM For Yaw Pitch Bearing G10 Precision Bearing Ball
| Applications |
|---|
| High precision & aircraft bearings, recirculating ball screws, high precision spindles & gears, bearings for electric motors. |
Chemical Composition
| %C | %Si | %Mn | %P | %S | %Cr | %Mo | %Cu | %Al | %O |
|---|---|---|---|---|---|---|---|---|---|
| 0.93-1.05 | 0.15-0.45 | 0.60-0.80 | 0.025 max | 0.015 max | 1.65-1.95 | 0.20-0.35 | 0.30 max | 0.050 max | 0.0015 max |
| Property | Symbol | U.o.M. | Type | Notes | Values |
|---|---|---|---|---|---|
| Density | δ | [g/cm3] | Physical | Room temp. | 7.82 |
| Young's modulus | E | [GPa] | Mechanical | - | 205 |
| Specific heat | c | [J/kg-K] | Thermal | Room temp. | 477 |
| Coefficient of linear thermal expansion | α | [10^-6/ºC] | Thermal | (ΔT=0-100°C) | 13.1 |
| Thermal conductivity | λ | [W/(m·K)] | Thermal | Room temp. | 42.7 |
| Electric resistivity | ρ | [Ω*m*10^-9] | Electric | - | 218 |
| Relative magnetic permeability | µ | - | Magnetic | Ferromagnetic | > 300 |
| 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 |
