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C.R. Cuscinetti A Rulli S.r.l.

Via S. Pertini, 6/8 Polo Ind. le, 26845 Codogno (Lo)
Italy
Telephone +39 0377 437021
Fax +39 0377 437107
info@crsrl.com

Hall map

METEC 2019 hall map (Hall 4): stand E25

Fairground map

METEC 2019 fairground map: Hall 4

Our range of products

Product categories

  • 07  Plant and equipment for shaping of steel
  • 07.21  Components, ancillary equipment

Our products

Product category: Components, ancillary equipment

Back-up rollers with pivot for metal flattening machines

Back-up rollers with pivot for metal flattening machines have the following characteristics:
The outer ring is supplied in UNI 100Cr6/100CrMo7 core hardened steel that can reach hardness 60-2 HRC.
Once seen the condition of coupling with working cylinders, the degree of hardness can be reduced to 53÷58 on request.
The profile of the outer ring is usually cambered in order to optimize the distribution of the applied load.
The pivot is made in two different  steel types, according to dimension and shape:
1) core hardened steel UNI 100 Cr6/100 CrMo7;
2) case hardened steel UNI 18 NiCrMo5.
In both cases the degree of hardness is 60-HRC.


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Product category: Components, ancillary equipment

Single cylindrical back-up rollers (execution in inches)

This series can be manufactured with cages or with full-complement of cylindrical rollers.

This back up roller is particularly suitable to work with high radial loads; thanks to its toughness, it maintains all its primary technical characteristics for a long flattening lifetime.
The entire borders made from the inner ring allow to bear the axial thrusts.
The single back-up roller with cylindrical rollers (execution in inches) has the following characteristics:
The outer ring and the inner ring are manufactured in case hardened UNI 100Cr6/SAE 52100 steel.
They reach hardness degree of 60+2 HRC.
Usually, the cages are made in bronze; in some cases, when the dimensions are small, the cage can be manufactured in press-forged sheet.
The sealing system is highly efficient, because it prevents outer agents (dust, mill scale and humidity) to enter the back-up roller; at the same time it prevents the leakage of grease. Grease lubrication is made through a groove on the inner ring.
Precision class P0. It can be manufactured with precision class P5, on request.
On request, they can be manufactured in stainless steel.

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Product category: Components, ancillary equipment

Shoulder bearings for Sendzimir steel mills

Shoulder cylindrical roller bearings have the following technical characteristics:

Outer and inner rings are mainly supplied in UNI 100Cr6/100CrMo7 core hardened steel; some series can be supplied with outer rings in case hardened UNI 18NiCrMo5 steel, with 60±2 HRC hardness degree.
Lateral thrust rings and distance rings are made in UNI 100Cr6/100CrMo7 steel too. The cages are made in bronze and have high thickness which guarantees resistance against high pressures.
Shoulder bearings are manufactured with higher rotation precision than class P4 and with reduced tolerances as far as the height between the inner diameter and the outer diameter is concerned. They are classified in three groups, in which the difference between the heights is 5µ, or in 5 groups in which the difference is 2µ. The point of maximum thickness of the rings is indicated with an arrow stamped on their surface, where the group of height “H” is marked.
Shoulder bearings are usually oil lubricated and have different lubrication holes on the inner ring.
In some series, some elastic no-shearing layered seals are foreseen.

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About us

Company details

C.R. constantly invests in its production capacity both regarding technological innovation and evolution of systems and procedures.
C.R. is ready for the future. 
The newest devices recently installed provide the connection between the physical and digital systems, allowing complex analysis through big data,
and the continuous control of production in real time, through the planning, monitoring and optimization of the procedures.

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