China Factory for Ball Mill Bearing 230/750ca/W33 - Ball Mill Bearings Manufacturer – Chengfeng Bearing

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China Factory for Ball Mill Bearing 230/750ca/W33 - Ball Mill Bearings Manufacturer – Chengfeng Bearing Detail:

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The outer ring of the special bearing for the mill conforms to the structure size of the previous bearing bush. The mill bearing has two structures, namely, the inner ring without ribs (feed end bearing) and the inner ring with single rib and flat retaining ring (discharge end) fixed. The end bearing is the discharge end, and the sliding end bearing is at the feed end, which solves the problem of thermal expansion and contraction caused by the mill during production. The outer ring of the bearing has three central holes (locating holes), and each hole has a 3-G2/1 oiling hole. The mill bearing is tempered twice at high temperature, and the bearing will not deform in the range of -40 degrees to 200 degrees.
2. Compared with bearing grinding, bearing grinding has six advantages
1. The rolling friction of the mill bearing has changed from the past sliding friction to the current rolling friction, the running resistance is small, and the starting resistance is obviously reduced, which can save electric energy.
2. The running resistance is small, the frictional heat is reduced, and the special steel and unique heat treatment process are used in the bearing processing, so the original cooling device is cancelled and a lot of cooling water is saved.
3. Change the original thin oil lubrication to a small amount of grease and lubricating oil, which can save a lot of thin oil. For large mills, the lubricating device of the hollow shaft is cancelled to avoid the problem of burning tiles.
4. Improve the operation efficiency, save the maintenance cost, reduce the maintenance time, and the two sets of bearings can be used for 5-10 years.
5. The starting resistance is small, which greatly prolongs the service life of equipment such as motors and reducers.
6. This bearing has the functions of positioning, centering, axial expansion, etc., which fully meet the production and working conditions of the mill.
3. Reconstruction of mill bearing: divided into two types, one is split bearing, which divides the inner ring of the bearing into two parts. The other is to install an expansion coupling sleeve between the inner ring of the bearing and the hollow shaft to fix the bearing and prevent the bearing from moving. In this way, the hollow shaft of the mill does not need to be processed, and the bearing mill can be successfully retrofitted with less downtime. The bearing life is the same as that of the original bearing mill. Reduce and lower costs in replacement and use for customers.

External spherical ball mill special bearings parameter table

Mill Model Mill bearing type Inner diameter mm Outer diameter mm Width mm Weight KG Material
1.5MDischarge port NNUP560Y3 560 830 180 360 GCr15Simn
1.5M Inlet NNU560Y3 560 830 200 350 GCr15Simn
1.83Discharge port NNUP695Y3 695 1000 230 610 GCr15Simn
1.83 Inlet NNU695Y3 695 1000 255 600 GCr15Simn
2.2M Discharge port NNUP895Y3 895 1200 240 780 GCr15Simn
2.2M Inlet NNU895Y3 895 1200 265 760 GCr15Simn
2.4*7M Discharge port NNUP1000EY3 1000 1300 280 970 GCr15Simn
2.4*7M Inlet NNU1000EY3 1000 1300 300 920 GCr15Simn
2.4*8MDischarge port NNUP1000Y3 1000 1350 280 1020 GCr15Simn
2.4*8M Inlet NNU1000Y3 1000 1350 300 1000 GCr15Simn
2.4*13M Discharge port NNUP1000AY3 1000 1400 280 1330 GCr15Simn
2.4*13M Inlet NNU1000BY3 1000 1400 280 1360 GCr15Simn
2.6M Discharge port NNUP1200Y3 1200 1600 280 1600 GCr15Simn
2.6M Inlet NNU1200Y3 1200 1600 330 1550 GCr15Simn
3.2M Discharge port NNUP1300Y3 1300 1800 280 2200 GCr15Simn
3.2M Inlet NNU1300Y3 1300 1800 310 2130 GCr15Simn
3.2MDischarge port NNUP1400Y3 1400 1800 280 1900 GCr15Simn
3.2M Inlet NNU1400Y3 1400 1800 310 1850 GCr15Simn
3.2MDischarge port NNUP1300BY3 1300 1800 340 2500 GCr15Simn
3.2M Inlet NNU1300BY3 1300 1800 380 2450 GCr15Simn

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China Factory for Ball Mill Bearing 230/750ca/W33 - Ball Mill Bearings Manufacturer  – Chengfeng Bearing detail pictures


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We have state-of-the-art equipment. Our products are exported for the USA, the UK and so on, enjoying a fantastic status among the clients for China Factory for Ball Mill Bearing 230/750ca/W33 - Ball Mill Bearings Manufacturer – Chengfeng Bearing, The product will supply to all over the world, such as: Qatar, Bhutan, Italy, Our company offers the full range from pre-sales to after-sales service, from product development to audit the use of maintenance, based on strong technical strength, superior product performance, reasonable prices and perfect service, we will continue to develop, to provide the high-quality products and services, and promote lasting cooperation with our customers, common development and create a better future.
  • This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By John biddlestone from Argentina - 2017.12.02 14:11
    In our cooperated wholesalers, this company has the high quality and reasonable price, they are our first choice.
    5 Stars By Irene from Singapore - 2017.07.07 13:00

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