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China Stainless Steel Balls manufacturer

DIN5401 Chrome Steel Ball Bearings , Ball Steel Balls Finishing 7/32" 7.938MM

Product Details:
Place of Origin: China
Brand Name: JN
Certification: SGS ISO
Model Number: 7/32" 7.938MM
Payment & Shipping Terms:
Minimum Order Quantity: 500kg
Price: Negotiable
Packaging Details: Ploy bag+25kg carton box+1000kg wooden box
Delivery Time: 7-15 days
Payment Terms: T/T, Western Union, MoneyGram,Paypal, L/C, D/A, D/P
Supply Ability: 50 Tons per Month

Detail Information

Produce Name: 7/32" Steel Balls Finishing Grade: G200 G500 G1000
Hardness: HRC58-HRC65 Application: Bearings , Valves , Locking Mechanisms , Fasteners
Tolerance: 0.002mm -o.02mm Refers To Grade Chrome Type: 100CrMn6 , 100CrMo7-3 , 100CrMnMo8
High Light:

ball bearing steel ball


small round metal balls

Product Description

DIN5401 Chrome Steel Ball Bearing Ball Steel Balls Finishing 7/32" 7.938MM





Low alloy hardened chromium steel balls, they show excellent hardness, wear resistance,
very good surface finishing and dimensional stability.
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
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
DIN5401 Chrome Steel Ball Bearings , Ball Steel Balls Finishing 7/32" 7.938MM 0
Precision bearings, automotive components (brakes, steering, line shaft), ball transfer units,
linear ball bearings, bike and motor-bike components, appliances, quick couplings,
machine tool, lock mechanisms, conveyor belts, skates, ball pens, pumps, castors,
measurement instruments, valves, recirculating balls. Utilized in browning, polishing and milling machineries
DIN5401 Chrome Steel Ball Bearings , Ball Steel Balls Finishing 7/32" 7.938MM 1

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