Application of seal on oil film bearing of rolling mill and the pillow block bearings market trend

(Application of seal on oil film bearing of rolling mill and the pillow block bearings market trend)

Application of seal on oil film bearing
of rolling mill

Oil film bearing is also called liquid
friction bearing. In the process of rolling the mill, liquid lubrication is
used to form a complete pressure oil film between the cone sleeve and bushing.
The oil film completely separates the casing from the cone sleeve and runs at
relatively high speed with no direct metal contact.

A sealing device is an important part of
oil film bearing.

There are three main characteristics of
the oil film bearing rotary seal:

1) two-way medium (water or emulsion,
lubricating oil) seal

2) Pressure difference on both sides,
but jet or splash

3) The seal rotates with the roller at
high speed

The rotary seal of the oil film bearing
in the rolling mill is lip seal. Lip seal mainly depends on the tip of the
sealing lip to compress the sealing coupling surface. Theoretically, it should
be line contact, but in fact, it is narrow-band contact, with enough compression
force, contact stress is peak.

The lip seal should not be pressed too
tightly and the contact band should not be too wide. Analysis from the dual
Angle of lubrication and sealing, that is: if the pressure is too large, the
surface of the seal and coupling will be in a semi-dry friction state,
aggravating the wear and heating of the seal, shortening the service life.

If the contact zone is too wide, thicker
wax lubrication may develop, which can leak outwardly and reduce the sealing
effect.

FV Bearing can not only produce standard
models to replace well-known international brands, but also make design
improvements according to the specific requirements of customers. If you have
any requirements for rolling mill bearings, please contact FV, send an
email to sales@fv-bearing.com. Describe your needs and
we’ll reply within 48 hrs.

The price of pillow block bearings

The price of pillow block bearings
continues to be affected by factors such as market growth momentum, various
opportunities and challenges. However, during the forecast period from 2020 to
2025, the global pillow block bearings sales market is expected to continue to
be over the average of the last five years. The growth rate will continue to
increase rapidly. It is expected that from today to the first month of next
year, the price of pillow block bearings will increase to a certain
extent.  

Due to changes in consumer demand,
import and export conditions, and various investigations on the development of
pillow block bearings, the cost of pillow block bearings is constantly
changing. Taking into account the current market macroeconomic parameters,
value chain analysis, channel partners, demand and supply, the cost of pillow
block bearings will also be affected to a certain extent. It is estimated that
the cost of pillow block bearings will increase slightly from today to the
first month of next year. FV Bearing is a leading supplier of precision
bearings and bearings-related products across a large spectrum of customers –
primarily OEMs and major distributors. 

The market trend of pillow block
bearings?

The global pillow block bearings market
is constantly changing. The latest Global Market Report provides clear and
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The high-quality pillow block bearings
supplier

FUWEI(LUOYANG) METALLURGY BEARING with the trade mark ( FV )
is a professional manufacturer of heavy industry bearings and have official
locations in Luoyang and Dalian. FV Bearing is a leading supplier of
precision bearings and bearings-related products across a large spectrum of
customers – primarily OEMs and major distributors. We are good at combining
customers\’ actual applications and designing with the advantages of well-known
brand bearings, in order to providing high-quality solutions to customers.

We strictly control bearing quality from
the raw material selection, design, processing, and quality inspection, and we
are committed to providing customers with the highest quality products and
services.

Get the latest bearings price
list from FV bearings, you can send an email to sales@fv-bearing.com. Describe your needs and
we’ll reply within 48 hrs.

(Application of seal on oil film bearing of rolling mill and the pillow block bearings market trend)