Gold Member Since 2009
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Zhongshan H. R. T. Precision Steel Ball Co., Ltd.

Steel Balls, Chrome Steel Balls, Balls manufacturer / supplier in China, offering Chrome Steel Balls for Sealing, High Efficiency Precision Steel Ball Surface Detect Sorting Machine, 1.588mm to 25.4mm Plastic Ball and so on.

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Supplier Homepage Product Chrome Steel Ball Chrome Steel Balls for Sealing

Chrome Steel Balls for Sealing

Purchase Qty.:
(Pieces)
10,000-999,999 1,000,000+
FOB Unit Price: US $0.01 US $0.001
Purchase Qty. (Pieces) FOB Unit Price
10,000-999,999 US $0.01
1,000,000+ US $0.001
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Production Capacity: 60, 000, 000PCS/Year
Transport Package: 5kg/Box. 4boxes/Carton.
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: GCr15, suj-2
  • Size: 0.5-10.3188mm
  • Color: Chrome Color, Metal Color, Mirror
  • Roundness: 0.13 - 0.25 Micro Meter
  • Certificate: ISO14001, ISO9001:2008, Ts-1949
  • Specification: GB308-2002
  • HS Code: 8482910000
  • Material: AISI52100,Suj-2,100cr6,
  • Grade: G5, G10, G20, G40
  • Hardness: HRC60-64
  • Roughness: 0.014 - 0.02 Micro
  • Trademark: H. R. T.
  • Origin: China
Product Description
Chrome steel balls for  sealing

1) Size: 0.5mm-10.3188mm( according to clients' requirements )
2) Grade: G5-G100
3) Hardness: HRC62-65. 
4) Certificate: ISO-9001,TS-16949,ISO14001
5) Roundness:0.13 - 0.25 Micro Meter
5) Feature: Good wearing, excellent surface quality and high hardness. 
6) Application: Bearing, ball screw, linear motion guide, automotive parts, chemical, food processing, ink and paint grinding, caster wheel, slide rail bicycle and car.


Our products are widely used in aviation industry,automobile industry,precision instrument, measuring appliance,motorcyle, bicycle,bearing,medical instrument and food machinery. Simultaneously,

Chrome Steel Balls for Sealing
Chrome Steel Balls for Sealing
                                                                                      Testing  Items  And Standards
GB/T308-2002                                                                                                                         unit: um Nominal Diameter : mm Hardness(HRC)  
Grade  V DWS    max  Ball Form Deviation max Surface Roughness Ra  max V DWL     max Gauge Interval Prefered Gauge Subgauge Interval Subgauge Nominal Diameter  D w/mm  
     
G3 0.08 0.08 0.010 0.13 0.5 -5,^,-0.5,0,+0.5,...+5 0.1 -0.2,-0.1,0,+0.1,+0.2   --- 30 61--66  
G5 0.13 0.13 0.014 0.25 1 -5,^,-1,0,+1,^,+5 0.2 -0.4,-0.2,0,+0.2,+0.4     61--66  
G10 0.25 0.25 0.020 0.5 1 -9,^,-1,0,+1,^,+9 0.2 -0.4,-0.2,0,+0.2,+0.4     61--66  
G16 0.4 0.4 0.025 0.8 2 -10,^,-2,0,+2,^,+10 0.4 -0.8,-0.4,0,+0.4,+0.8     61--66  
G20 0.5 0.5 0.032 1 2 -10,^,-2,0,+2,^,+10 0.4 -0.8,-0.4,0,+0.4,+0.8     61--66  
G24 0.6 0.6 0.040 1.2 2 -12,^,-2,0,+2,^,+12 0.4 -0.8,-0.4,0,+0.4,+0.8     61--66  
G28 0.7 0.7 0.050 1.4 2 -12,^,-2,0,+2,^,+12 0.4 -0.8,-0.4,0,+0.4,+0.8     59--64  
G40 1 1 0.060 2 4 -16,^,-4,0,+4,^,+16 0.8 -1.6,-0.8,0,+0.8,+1.6 30   --  50 59--64  
G60 1.5 1.5 0.080 3 6 -18,^,-6,0,+6,^,+18 1.2 -2.4,-1.2,0,+1.2,+2.4 50 --- 58--64  
G100 2.5 2.5 0.100 5 10 -40,^,-10,0,+10,^,+40 2 -4,-2,0,+2,+4     58--64  
G200 5 5 0.150 10 15 -60,^,-15,0,+15,^,+60 3 -6,-3,0,+3,+6     58--64  
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