STF195KVE2701EGBS-01P3 Work Roll Bearings 195x270x250mm
STF195KVE2701EGBS
Bore Diameter:195 mm
Outside Diameter:270 mm
Width:250 mm
Weight:41.3 kg
Reference FOB Price:US650 ~ 660 / Piece
Min. Order:20 Piece
The STF195KVE2701EGBS bearing is a Four-row tapered roller bearings with an inner diameter of 195 mm , an outer diameter of 270 mm, a width of 250 mm. It typically uses CLASS 4 grade precision tolerances and features a SPCC STEEL cage, SAE4320H Case hardened steel, Carburized steel rings. It primarily bears Radial and Axial, Its dynamic radial rated load is approximately 1540 KN, its static radial rated load is approximately 3600 KN. It uses 0.110~0.130 mm standard radial clearance, Combined seals type, HNBR or FKM. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Feature: High precision, Long work-life. PL-TCM / WR
Application: Plate rolling mill - WR
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Detailed description
Four-row tapered roller bearings
Sealed Four Row Tapered Roller Bearings for Rolling Mill Roll-Necks The sealed series sealed four row tapered roller bearings are new standard series products especially developed to satisfy the "high load capacity", "high load resistance performance” and "high sealing performance” required for steel mill roll-neck applications and to improve reliability through long life design. Our FV named it S4T series. Our premium quality four-row sealed bearings are designed to operate at high speeds and withstand harsh environments, even while carrying heavy loads.
Built with highly rated FV tapered roller bearings, our sealed roll neck bearings are expected to provide a lower cost of ownership due to less required maintenance and longer bearing life. FV case-carburized, high-capacity tapered roller bearings offer durable toughness.
The newest sealed roll neck bearing is the integrated seal design that exemplifies our focus on advancing technology for the metals industry. Also available are the seal carrier design, many special designs and custom designs.
Size range:
ID: 140.000 mm to 771.200 mm (7.6772 in. to 28.2500 in.)
OD: 270.000 to 946.150 mm (10.6300in. to 37.2500 in.)
Design Attributes:
- Four single cups for optimum load sharing.
- Cup spacers available with or without lube groove and holes.
- Improved surface finishes to enhance lubrication performance.
- Inboard and outboard cone face slots that reduce cone face wear.
- Spiral bore grooves with blended radii to eliminate roll neck damage.
- Case-carburized components to improve toughness and increase fatigue life.
- Patented seal designs with improved contact geometry for enhanced sealing.
- Enhanced roller profiling for even load distribution, which reduces edge stress.
- No central cone or cup spacers to minimize number of components to be handled.
- Effective sealing at cup outer diameter (OD) to seal contaminants away from bearing OD and chock bore.
Applications:
Rolling mills
Features and benefitsDepending on their design, four-row tapered roller bearings provide the following main features and benefits:
Long service life
The four-cup design (four separate outer rings) provides optimal load distribution over all four rows of rollers.
Enhanced operational reliability
Optimized surface finish on the contact surfaces of the rollers and raceways supports the formation of a hydrodynamic lubricant film.
Improved wear resistance
In particular, FV bearings are made of extremely clean and homogenous steel and undergo a unique heat treatment, which improve the resistance to wear.
Improved sealing performance with less leakage and less frictional heat
The optimized seal design ensures high protection against external contamination but keeps friction and frictional heat low. This seal design also provides a better retention of lubricant, minimizes environmental impact and reduces maintenance costs.
Equal load carrying capacity for sealed and open bearings
The optimized and compact seal design enables identical internal design.
Total bearing interchangeability
Bearings with and without intermediate rings as well as open and sealed bearings are available with identical external dimensions. This allows total bearing interchangeability of current standard design bearings with those without intermediate rings and/or with optimized seal design.
Separable mounting and simpler inspection
Optimized designs without intermediate rings enable to dismount and separate the cage and roller assemblies and seals. This facilitates mounting, dismounting and also maintenance inspection routines.
Axial space-saving and cost-effective solution for roll necks
The roll necks can be relatively short, no separate axial bearings are required and identically designed chocks can be used on both sides of the roll.
Simple axial location on roll necks
Tighter inner ring width tolerances facilitate the tolerancing and dimensioning of surrounding components.
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