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Combined needle roller bearings are units comprising radial needle roller bearings with a rolling bearing component capable of supporting axial loads.
X-life
Combined needle roller bearings are X-life bearings. In these bearings, the roughness and geometrical accuracy of the raceways have been optimised. This gives higher load carrying capacity and longer life.
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For economical designs in machines, lifting and handling
systems.
Advantage of the Combined Bearing system:
- Reduces your designing and production costs
- Can take up high radial and axial loads
- Strong profiles for high stat. and dynamic loads
- Best dispersion of forces in the profiles
- Longer lifetime for bearings and profiles
- Economical assembling by welding bolt
- Bearing components are easily exchangeable
Technical characteristics:
- Outer rings are made from case-hardened steel UNI 16 CrNi 4 hardened at 62+2HRC
- Inner rings are made from bearing steel En 31-SAE 52100 hardened at 62-2 HRC
- Cylindrical rollers have flat ground heads, made from En 31-SAE 52100 steel hardened at 59 – 64 HRC
- Welding bolts are made from C22E (Material no. 1.1151)
- Bolt tolerance –0.05 mm
- Bearings from 4.055 to 4.063 are relubricateable
- Bearings are lubricated with grease grade 3 (e.g. Shell Alvania 3, Esso Beacon 3)
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Hevi-Rail® Bearing Systems are the lightweight and low-cost solution for jobs with extremely high axial and radial load requirements. This is achieved by an economical assembly and durable bearing components which are easily interchangeable.
The outer races of the HEVI-RAIL® bearings feature the high radial capacity of a heavy-duty roller bearing. Built within this outer bearing at 90 is an inner bearing that handles axial or side loads. This simple design eliminates the need for two or more cam follower type bearings mounted in opposite directions. It requires fewer components and will operate in a smaller space.
As a result, HEVI-RAIL® saves valuable floor space, time in assembly, and money. Its long life bearings and economical assemblies make it an ideal solution for custom lift units, lift trucks, and heavy load applications in the aerospace, paper, steel and coil industries. The rollers come pre-installed for easy installation. The Hevi-Rail® system includes: combined bearings, profile rails, clamp flanges, and flange plates.
• Advantages of the Combined Bearing System:
• Economical assembly
• Long life-time bearings and profile rails
• Bearings components are easily interchangeable
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SRB - Needle and roller bearings for screw drives
SRB series bearings consist of a needle roller radial bearing with solid outer ring and an extended inner ring. The side surfaces of the outer ring act as tracks for the two axial cages.The two axial cages are centered on the inner ring.
Thanks to this design it is possible to realize a precision journal, having little overall dimen sions and high stiffness.
All SRB bearing designs have been developed in order to be a radial/axial support for precision ball screws of machine tools. In order to obtain max stiffness, these bearings are preloaded by means of a locknut.
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planetary bearings for gearboxes
SL and RSL types, transmission bearings, hydraulic motor and pump bearing
bearings with black oxide rollers for heavy conditions
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Clutch release bearing for industrial vehicles and cars.
with special high performances grease inside
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features:
Acetal races as standard
Polypropylene,PEEK, nylon and other materials for bearing races also available
Stainless steel 316 balls as standard
Glass, plastic and other stainless steel ball types available
advantages:
Corrosion resistant
Lubrication free
Lightweight
Low friction
Quiet
Hygienic
Maintenance free
Non-metallic with glass balls
Non-magnetic with glass balls
In excess of 25 years proven performance
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Deep groove ball bearings are versatile, self-retaining bearings with solid outer rings, inner rings and ball and cage assemblies. These products are of simple design, durable in operation and easy to maintain; they are available in single and double row designs and and in open and sealed variants. Due to the production technology used, open bearings can still have turned recesses on the outer ring for seals or shields.
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Radial ball bearings:
Radial ball bearings
Radial insert ball bearings
Angular contact ball bearings
Spindle bearings
Four point contact bearings
Self aligning ball bearings
Thin section bearings
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Sleeve Bearings:-
Solidlube Self lubricating, statically self-aligning bearings for extreme industrial applications.
Babbitted Journal Bearings Journal bearing with babbitt bore.
Bronze Bushed Journal Bearings Journal bearing with bronze bore.
Pictured Unit Description:-
Journal bearing with babbitt bore
Features/Benefits:-
Cast Iron Housings
2 and 4 bolt housings
Solid, split, split angle, rigid, and plate type designs
Maximum ambient temperature 130 degrees F
Maximum load rating 150 psi
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These bearings are used primarily in machine tools, which demand bearings made with materials and structures that deliver outstanding durability and resistance to heat.
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Journal Bearings, Track rollers with one beveling profile - type RE
Journal Bearings are used for the LINEAR GUIDANCE system, in which the track has a " V " profile groove with an angle of 70 degrees. .
Journal Bearings feature the internal design of high precision deep groove ball bearings and a thick-walled outer ring, so bearings can accommodate higher load carrying capacity.
Bearings are made of the high-quality bearing steel, processed by heat treatment and precision grind, and are filled with a long service life, high-grade and multi-purposes grease. Bearings take the metal shield ( ZZ ) or rubber seal ( 2RS ) to prevent the dust. YITONG also can provide the bearings with concentric or eccentric pivot.
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