Chang Hong Mining Machinery Co., Ltd.
Chang Hong Mining Machinery Co., Ltd.
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Our products are widely used in thermal power generation, harbours, cement plants, metallurgy and as well as the light duty conveying devices for industries.
RKM-NS Model addes a sealed cover in its design. The distance between the sealed cover and bearing provides the bearing with a dust proof to ensure a longer working lift. This design is suitable for a normal working environment.
| SPECIFICATIONS | |||
| Diameter | φ89, φ102, φ108, φ114, φ127, φ133, φ139, φ152, φ159, φ165, φ194 | ||
| Length | 145mm-2800mm | ||
| Tube | Q235(GB), Q345(GB), welded with DIN2394 standed | ||
| Shaft | A3 and 45# steel(GB) | ||
| Bearing | Single & Double Row Deep Groove Ball Bearing 2RS&ZZ with C3 clearance | ||
| Bearing Housing/Seat | Cold press working fit ISO M7 accuracy Deep Press steel with raw material fit DIN 1623-1624 standard |
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| Lubricating Oil | Grade 2 or 3 long-lasting lithium greasae | ||
| Welding | Mixed gas shielded arc welding end | ||
| Painting | Ordinary painting, hot galvanized painting, electric static spraying painting, baked painting |
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1) Solid design, suitable for heavy lifting.
2) The bearing housing and steel tube are assembled and welded with a concentric automatic.
3) Cutting of the steel tube and bearing is performed with the use of a digital auto device/machine/equipment..
4) The bearing end is constructed to ensure that the roller shaft and bearing can be firmly connected.
5) Fabrication of the roller is effected by an auto device and 100% tested for its concentricity.
6) Roller and supporting components/materials are manufactured to DIN/ AFNOR/ FEM/ ASTM/ CEMA standard.
7) The casing is manufactured with highly composite, anti corrosive alloy.
8) The roller is lubricated and free from maintenance.
9) Woring life expectancy is up to 30,000 hours or more, depending on usage.
10)Vacuum sealed which has withstood anti water, salt, snuff, sandstone and dust proof experiments
FAQ
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below: