FV Bearing is a leading supplier of precision bearings and bearings related products across a large spectrum of customers – preimarily OEMs and major distributors.
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Ball | SAE-AISI S2 (T41902) Shock-Resisting Steel 55SiMoVA
Alloy steel through hardened balls they are featured by high toughness and wear/collision resistance. They are specifically indicated for drilling applications. Shock-Resisting Steel: 55SiMoVA, SAE-AISI S2 (T41902), 55CMфA, 55CMoV, 55CM5фA
S-2 ROCKBIT TOOL STEEL SHOCK RESISTING BALLS
Alloy steel through hardened balls they are featured by high toughness and wear/collision resistance. They are specifically indicated for drilling applications.
Applications |
|---|
Oil-well drilling, well applications, offshore drilling devices. |
Chemical composition
%C | %Si | %Mn | %P | %S | %Mo | %V | - | - | - | - | - |
|---|---|---|---|---|---|---|---|---|---|---|---|
0.40-0.55 | 0.90-1.20 | 0.30-0.50 | 0.030 max | 0.030 max | 0.30-0.60 | 0.50 max | - | - | - | - | - |
International standards
ITA | USA | GER | FRA | UK | RUS | CHN | JAP |
|---|---|---|---|---|---|---|---|
- | T41902 | - | - | - | Si-Mo | 55SiMoVA | - |
Physical / mechanical / thermal / electric / magnetic properties
Property | Symbol | U.o.M. | Type | Notes | Values |
|---|---|---|---|---|---|
Density | δ | [g/cm3] | Physical | Room temp. | 7.72 |
Young's modulus | E | [GPa] | Mechanical | - | 200 |
Specific heat | c | [J/kg-K] | Thermal | Room temp. | 468 |
Coefficient of linear thermal expansion | α | [10^-6/ºC] | Thermal | (ΔT=0-100°C) | 10.8 |
Thermal conductivity | λ | [W/(m·K)] | Thermal | Room temp. | 19.0 |
Electric resistivity | ρ | [Ω*m*10^-9] | Electric | - | 165 |
Relative magnetic permeability | µ | - | Magnetic | Ferromagnetic | > 500 |
Technical data
Property | Type | U.o.M. | Values | U.o.M. | Values |
|---|---|---|---|---|---|
Hardness | Mechanical | [HRC] | 54 - 63 | - | - |
Ultimate tensile strength | Mechanical | [MPa] | 2100 - 2200 | [psix10^3] | 305 - 320 |
Service temperature | Thermal | [ºC] | -40 / 500 | [ºF] | -40 / 932 |
Range
Diameters (min/max) | U.o.M. | Diameters (min/max) | U.o.M. | Precision grades |
|---|---|---|---|---|
4.500 - 75.000 | [mm] | 3/16 - 3 | ["] | See section International Standards: ISO 3290-1 / DIN 5401 / AFBMA |
Corrosion Resistance |
|---|
They have good corrosion resistance in alkaline solutions, are fairish in contact with salts or industrial atmospheres, and poor in contact with water and steam; they do not resist contact with acid substances. |
A Leading Industrial Bearings Supplier
Why Choose FV Bearings?
Leading industrial ball bearings with best materials
FV Bearings uses best materials to produce high quality and precision ball bearings, deep groove ball bearings, thrust ball bearings and any other types of bearings. The company accept all bearings manufacturing and OEM services.
Accurate response to client’s request
FV Bearings Co.Ltd has rich experiences in bearings manufacturing and processing, the professional bearing engineers can handle your requirements on bearings exactly and output the accurate bearing products.
World’s leading roller bearings manufacturer
FV Bearings is a leading roller bearings manufacturer provides high quality and durable roller bearings for different industries such as automotive, aerospace, machinery, power plants, chemistry industry, agriculture and other fields.
Solutions for special bearings and high end bearings
If you are looking for special bearings and high end bearings, FV bearings can help you to customize any special bearings according to your needs based on advanced bearings manufacturing technology.
