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Mine Drilling Tool Bearing Ball for Mining Machinery
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1
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Product Unit
Pieces
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Origin
China Mainland
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Product Detail
Mine Drilling Tool Bearing for Mining Machinery
Mine drilling tool bearings are important components of mining machinery, mine drilling tool bearings could be divided into main thrust ball bearings, angular-contact ball bearing and so on. And the angular-contact ball bearings are used for drilling platform and switched reluction motor.Yusion supplies S-2 Rock Bit balls apply for angular-contact ball bearings for mining machinery. The ball surface has a smooth ground and polished finish.They provide good wear characteristic and good services for severe shock loads.
SPECIFICATION
Inch | 1/4”-2-1/2” |
Hardness | HRC55-HRC59 |
Diameter | 6.35mm-63.5mm |
Grade | G40-G200 |
International Standard | ASTM A681 |
MATERIAL ANALYSIS
S-2 Tool Steel(Rockbit) Balls are manufactured to the following chemical analysis:
Chemical Analysis | |
Carbon | 0.47% to 0.55% |
Manganese | 0.30% to 0.50% |
Silicon | 0.90% to 1.10% |
Molybdenum | 0.30% to 0.60% |
Phosphorus | 0.030% maximum |
Sulphur | 0.030% maximum |
Vanadium | 0.50% maximum |
MECHANICAL PROPERTIES
Hardness as measured on parallel flat surface is Rockwell “C” 55-58.
Ball of special hardness are available upon request.
Tensile strength | 310,000psi |
Yield strength | 290,000psi |
Elongation in two inches | 7% |
Reduction in area | 25% |
Modulus of elasticity | 30,000,000psi |
Density | 0.283lbs./cu.in |
PRODUCTION PROCESS
QUALITY INSPECTION
PACKING
Firstly we pack the balls in cartons.
1.For each carton,the size is : Length:160mm Width:130mm Height:65mm
2.we pack our balls using wooden pallet(Plywood) in our export business
3.Put the plastic paper in the pallet(waterproof) at first, then put the ball carton into the pallet ,and fix the pallet.
4.The size of wooden pallet: Length:840mm Width:780mm Height:750mm
Generally, if you don’t want packing with our company’s logo & name and our package, we offer neutral packing and can according to your requirements.
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