7Mm Ball Bearings

Miniature Ball Bearings Steel
Miniature Ball Bearings Steel
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Min Order Qty: 50MT m.t.
Supply Capability: 500000TONS/YEAR m.t./month
7008 Angular contact ball bearings bearing
7008 Angular contact ball bearings bearing
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Min Order Qty: 1000 pc
Supply Capability: 500000 pc/month
7004 Angular contact ball bearings bearing
7004 Angular contact ball bearings bearing
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Min Order Qty: 1000 pc
Supply Capability: 500000 pc/month
7013 Angular contact ball bearings bearing
7013 Angular contact ball bearings bearing
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Min Order Qty: 1000 pc
Supply Capability: 500000 pc/month
7021 Angular contact ball bearings Bearing
7021 Angular contact ball bearings Bearing
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Min Order Qty: 200 pc
Supply Capability: 500000 pc/month
7003 Angular contact ball bearings high precision
7003 Angular contact ball bearings high precision
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Min Order Qty: 1000 pc
Supply Capability: 500000 pc/month
7020 Angular contact ball bearings Bearing
7020 Angular contact ball bearings Bearing
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Min Order Qty: 200 pc
Supply Capability: 500000 pc/month
7018 Angular contact ball bearings Bearing
7018 Angular contact ball bearings Bearing
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Min Order Qty: 200 pc
Supply Capability: 500000 pc/month
7019 Angular contact ball bearings bearing
7019 Angular contact ball bearings bearing
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Min Order Qty: 1000 pc
Supply Capability: 500000 pc/month
Single Direction Thrust Ball Bearings  Manufacturer China
Single Direction Thrust Ball Bearings Manufacturer China
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Min Order Qty: 100 pc
Supply Capability: 100000 pc/month
Plane thrust ball bearings for crane hook
Plane thrust ball bearings for crane hook
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Min Order Qty: 5000 pc
Supply Capability: 1500000 pc/month
6000ZZ ball bearings for motor,conveyor belt
6000ZZ ball bearings for motor,conveyor belt
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Min Order Qty: 5000 pc
Supply Capability: 1500000 pc/month
7012 Angular contact ball bearings Bearing
7012 Angular contact ball bearings Bearing
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Min Order Qty: 1000 pc
Supply Capability: 500000 pc/month
7022 Angular contact ball bearings Bearing
7022 Angular contact ball bearings Bearing
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Min Order Qty: 200 pc
Supply Capability: 500000 pc/month
Double Direction Thrust Ball Bearings  Manufacturer China
Double Direction Thrust Ball Bearings Manufacturer China
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Min Order Qty: 100 pc
Supply Capability: 100000 pc/month
7010 Angular contact ball bearings Bearing
7010 Angular contact ball bearings Bearing
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Min Order Qty: 200 pc
Supply Capability: 500000 pc/month
Bearings double row cylindrical roller NN3032K/YB2
Bearings double row cylindrical roller NN3032K/YB2
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Min Order Qty: 500 pc
Supply Capability: 10000 pc/month
Electric Motors Bearings Electric Power Bearings bearing 3000 series bearings 6000 series
Bearing 6001zz 6001 2rs 6001 Deep Groove Ball Bearings 6000 seris bearings
Bearing 6001zz 6001 2rs 6001 Deep Groove Ball Bearings 6000 seris bearings
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Min Order Qty: 1000 pc
Supply Capability: 5000000 pc/month
Carbon Bearings Products
Carbon Bearings Products
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Min Order Qty: 1 Piece pc
Supply Capability: 1,000 Pieces per Quarter pc/month
Bearings double row cylindrical roller, model NN3032
Bearings double row cylindrical roller, model NN3032
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Min Order Qty: 50000 pc
Supply Capability: 1000000 pc/month
7014 Angular contact ball bearings Bearing
7014 Angular contact ball bearings Bearing
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Min Order Qty: 1000 pc
Supply Capability: 500000 pc/month
Bearing 6226 zz 6226 2rs 6226 Deep Groove Ball Bearings 6000 seris bearing long service time
6224 zz 6224 2rs 6224 Deep Groove Ball Bearings 6000 seris bearings low noise
6224 zz 6224 2rs 6224 Deep Groove Ball Bearings 6000 seris bearings low noise
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Min Order Qty: 10 pc
Supply Capability: 5000000 pc/month
6206 zz 6206 2rs 6206 Deep Groove Ball Bearings  6000 seris bearings low noise
6206 zz 6206 2rs 6206 Deep Groove Ball Bearings 6000 seris bearings low noise
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Min Order Qty: 1000 pc
Supply Capability: 5000000 pc/month
6028zz 6028 2rs 6028 Deep Groove Ball Bearings 6000 seris bearing iron case
6028zz 6028 2rs 6028 Deep Groove Ball Bearings 6000 seris bearing iron case
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Min Order Qty: 1000 pc
Supply Capability: 5000000 pc/month
Bearings double row cylindrical roller NN3032
Bearings double row cylindrical roller NN3032
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Min Order Qty: 500 pc
Supply Capability: 10000 pc/month
63 Series of ball bearing,deep groove ball bearings
63 Series of ball bearing,deep groove ball bearings
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Min Order Qty: 5000 pc
Supply Capability: 1500000 pc/month
6022 zz 6022 2rs 6022 Deep Groove Ball Bearings 6000 seris Bearing
6022 zz 6022 2rs 6022 Deep Groove Ball Bearings 6000 seris Bearing
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Min Order Qty: 1000 pc
Supply Capability: 5000000 pc/month
6201 zz 6201 2rs 6201 Deep Groove Ball Bearings 6000 seris Bearing stainless steel
6040 zz 6040 2rs 6040 Deep Groove Ball Bearings 6000 seris bearing
6040 zz 6040 2rs 6040 Deep Groove Ball Bearings 6000 seris bearing
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Min Order Qty: 1000 pc
Supply Capability: 5000000 pc/month
Bearings single row tapered roller 32048
Bearings single row tapered roller 32048
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Min Order Qty: 500 pc
Supply Capability: 10000 pc/month
Deep groove Ball Bearings Manufacturer China Steel of High Quality
Deep groove Ball Bearings Manufacturer China Steel of High Quality
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Min Order Qty: 100 pc
Supply Capability: 10000 pc/month
68 series ball bearings for Pneumatic tool bearings,motors
68 series ball bearings for Pneumatic tool bearings,motors
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Min Order Qty: 5000 pc
Supply Capability: 1500000 pc/month
NU210 Cylindrical roller Bearings mill roll bearing
NU210 Cylindrical roller Bearings mill roll bearing
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Min Order Qty: 50 pc
Supply Capability: 5000000 pc/month
62 Series of ball bearing,deep groove ball bearings
62 Series of ball bearing,deep groove ball bearings
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Min Order Qty: 5000 pc
Supply Capability: 1500000 pc/month

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FAQ

What grade of iron powder should be used for processing special steel? Are there any other elements on the request? How much are they?
The main special steel carbon structural steel, carbon tool steel, carbon spring steel, alloy spring steel, alloy structural steel, bearing steel, alloy tool steel, alloy tool steel, high-speed tool steel, stainless steel, heat-resistant steel and high-temperature alloy, precision alloy, gold and other electric heating.s
Classification of special steel products
Carbon structural steels are normally used directly under heat supply without heat treatment. The mass fraction of Q195, Q215, Q235 are usually of low carbon steel, good welding performance, good plasticity and toughness, a certain strength, often rolled into a sheet, steel, welded steel pipe, used for bridges, buildings and general manufacturing rivet, screw and nut parts etc.. Q255 and Q275 mass fraction of carbon steel is slightly high, high strength, good plasticity and toughness, can be welded steel, steel rolling, usually forming and plate structure and simple manufacturing machinery, connecting rod, gear coupling, pins and other parts. Plain carbon steel high carbon steel is basically contains alloy elements, the carbon content in the range of 0.65% ~ 1.35%, the production of low cost, easy to obtain raw materials, good machinability, after treatment can obtain high hardness and high wear resistance, so the steel is widely used to manufacture various. Cutting tool, mold, measuring tools.But the red hardness difference of this kind of steel, that is, when the working temperature is greater than 250 degrees, the hardness and wear resistance of steel will decline rapidly, and lose their ability to work. In addition, if carbon tools steel is made into larger parts, it is difficult to harden, and deformation and crack are easy to occur. This kind of steel must ensure both chemical composition and mechanical properties. The number is two digits by the average mass fraction of carbon steel in the 000 fraction (W C * 10000). For example, steel 45 shows the average mass fraction of carbon in steel is 0.45%; 08 steel indicates the average mass fraction of carbon in steel is 0.08%.s
What are the varieties of special steel
China and Japan, the definition of special steel is relatively close, the special steel into high quality carbon steel, alloy steel, high alloy steel (alloy element is greater than 10%) three categoriess
How can I determine the cooling water flow of square billet mold for special steel?
Determine the cooling water flow rate according to the cooling water flow rate. The cooling water amount of mould W can be calculated according to the following formula: W=0.0036FV, W - cooling water of mould, m3/h;F - total area of mold water gap, mm2;V - the velocity of cooling water in the water seam, m/s, for the billet mold, the flow speed should be greater than 6m/s, generally take 6~9m/s.s
What is special steel? What is special steel?
However, special steel refers to stainless steel, other special steel plate, such as automobile steel plate and military steel plate, etc., stainless steel is divided into austenite and ferrite, such as 304316410439 stainless steel varieties. According to the specific use of stainless steel quality, such as 409L can be used as a container, microwave oven and elevator industry, 304 can be used as medical devices. The market prospect is not an ordinary person can predict, domestic steel prices are monthly pricing, big companies such as Baosteel, TISCO, Zhangjiagang Pohang. Lead the trend of special steel prices.s
What is the difference between general steel and special steel?
Pu steel: full name ordinary steel, mostly with plates, profiles and wire form. Ordinary steel is the basic material of the earliest, the largest amount of use in industry, widely used in architectural structure, bridge components, hull structure, transportation, machinery manufacturing, agriculture, textile, defense industry, metal products, food industry, household appliances and other various departments of the national economy.s
Is the steel column of the steel structure HM a special steel?
H steel is a new type of economical construction steel. H type steel cross section shape is reasonable in economy, good mechanical properties, rolling each point on the extended section is uniform, small internal stress, compared with the ordinary beam, a section modulus, light weight, saving advantages of metal, can make the building structure to reduce 30-40%;s
What's the difference between special steel and ordinary steel?
Compared with ordinary steel, special steel has higher strength and toughness, physical properties, chemical properties, biocompatibility and process performance.s

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