Bearings

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Bearings | Choosing the right bearing
Like plain bearings, rolling-element bearings reduce friction in a rotating guide between two parts. Depending on the direction of the force, axial or radial, there are different types of bearings. Bearings are composed of rolling elements, usually balls, cylindrical or tapered rollers or needles.
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single-row bearing
single-row bearing
3xxxx

Inside diameter: 12.7 mm - 1,270 mm
Outside diameter: 35 mm - 1,435 mm

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NTN-SNR
double-row bearing
double-row bearing
4300/4100 series

Inside diameter: 40 mm - 600 mm
Outside diameter: 80 mm - 870 mm
Width: 45 mm - 310 mm

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NTN-SNR
four-row bearing
four-row bearing
CRO-, CROU

Inside diameter: 120 mm - 938.21 mm
Outside diameter: 170 mm - 1,270 mm
Width: 124 mm - 889 mm

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NTN-SNR
deep groove ball bearing
deep groove ball bearing
6000

Inside diameter: 3 mm - 400 mm
Outside diameter: 7 mm - 600 mm

... groove ball bearings that span 3 mm to 400 mm bore sizes. The extended product line includes a complete offering of open, shields, seals and snap ring combinations. Easy Interchange Designed as metric bearings, ...

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TIMKEN Europe
ball bearing
ball bearing
7200

Inside diameter: 10 mm - 130 mm
Outside diameter: 30 mm - 230 mm
Width: 9 mm - 63.5 mm

... CONTACT BALL BEARINGS Designed for reliable performance in pump, compressor, electric motor and many other industrial applications, our angular contact ball bearings are able to handle high speeds ...

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TIMKEN Europe
ball bearing
ball bearing
MM/MMV

Inside diameter: 30 mm - 110 mm
Outside diameter: 55 mm - 180 mm
Width: 13 mm - 28 mm

... Ball Screw Support Bearings Ball screw support bearings are available in single- and double-row configurations and are widely used in motion control applications. Miniature & Instrument Bearings Miniature ...

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TIMKEN Europe
ball bearing
ball bearing

Inside diameter: 160 mm
Outside diameter: 190 mm

... torque loss in the bearings used in the transmissions of the new generation hybrid cars. NSK new Low-Torque Ball Bearings for Hybrid Vehicle Transmissions enable a 50-65% improvement in frictional loss ...

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NSK Europe Ltd.
ball bearing
ball bearing

Inside diameter: 12 mm - 101.6 mm
Outside diameter: 40 mm - 215 mm
Width: 27.4 mm - 108 mm

Insert bearings (Y-bearings) Y-bearing with a tapered bore on an adapter sleeve Insert bearings (SKF Y-bearings) are based on sealed deep groove ball ...

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SKF Precision Bearings
ball bearing
ball bearing

Inside diameter: 2.5 mm - 315 mm
Outside diameter: 2.5 mm - 1,120 mm

... groove ball bearings that span 3 mm to 400 mm bore sizes. The extended product line includes a complete offering of open, shields, seals and snap ring combinations. Easy Interchange Designed as metric bearings, ...

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TIMKEN
ball bearing
ball bearing
xiros® B180

Inside diameter: 3 mm - 60 mm
Outside diameter: 10 mm - 95 mm
Width: 4 mm - 18 mm

The xiros® B180 by Igus is a polymer ball bearing which can be used up to +80°C and specially made to offer high durability and a good value for money. This is a lubrication and maintenance-free bearings ...

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igus®
ball bearing
ball bearing
72 series

Inside diameter: 120 mm - 850 mm
Outside diameter: 180 mm - 1,220 mm
Width: 28 mm - 165 mm

ANGULAR CONTACT BALL BEARINGS - PRODUCT DESCRIPTION Single-row angular contact ball bearings are self-retaining units with solid inner and outer rings and ball and cage assemblies ...

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Schaeffler Technologies AG & Co. KG
ball bearing
ball bearing
30/5-B-TVH

Inside diameter: 5 mm - 80 mm
Outside diameter: 14 mm - 100 mm
Width: 7 mm - 21 mm

ANGULAR CONTACT BALL BEARINGS - PRODUCT DESCRIPTION Single-row angular contact ball bearings are self-retaining units with solid inner and outer rings and ball and cage assemblies ...

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Schaeffler Technologies AG & Co. KG
ball bearing
ball bearing
234 series

Inside diameter: 30 mm - 280 mm
Outside diameter: 55 mm - 420 mm
Width: 32 mm - 164 mm

... contact ball bearings are self-retaining units with solid inner and outer rings and ball and cage assemblies with polyamide, sheet metal or brass cages. The raceways of the inner and outer rings are offset ...

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Schaeffler Technologies AG & Co. KG
ball bearing
ball bearing
23800

Inside diameter: 3 mm - 50 mm
Outside diameter: 10 mm - 110 mm
Width: 4 mm - 27 mm

Deep groove ball bearing FAG single row Material: Inner ring, outer ring and rolling elements, bearing steel. Cage sheet steel. Labyrinth seal sheet steel. Lip seal NBR. Version: 2Z = sealed both sides ...

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norelem - Éléments standard mécaniques
ball bearing
ball bearing
23800-03

Inside diameter: 8 mm - 30 mm
Outside diameter: 22 mm - 55 mm
Width: 7 mm - 13 mm

Ceramic ball bearings ZrO2 Material: Ceramic bearings ZrO2. Bearing cage PTFE. Version: Natural, white. Note: Zirconia (ZrO2) is a cost-effective alternative to Si3N4. It ...

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norelem - Éléments standard mécaniques
roller bearing
roller bearing
23815

Inside diameter: 25 mm - 50 mm
Outside diameter: 52 mm - 90 mm
Width: 18 mm - 23 mm

Spherical roller bearing FAG cylindrical bore Material: Inner ring, outer ring and rolling elements, bearing steel. Cage, steel. Version: open. Note: Spherical roller bearings accept ...

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norelem - Éléments standard mécaniques
needle roller bearing
needle roller bearing
RAX series

Inside diameter: 5 mm - 70 mm
Outside diameter: 9 mm - 85 mm
Width: 11 mm - 32 mm

... method of lubrication, bearing types RAX 500 should be given consideration. Combined bearings with a dust cap may use oil lubrication, although their design makes them better suited for use with grease ...

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Nadella Group
combined bearing
combined bearing
RAXPZ series

Inside diameter: 10 mm - 70 mm
Outside diameter: 19 mm - 96 mm

COMBINED BEARING WITH INCORPORATED THRUST PLATE RAXPZ Manufacturer - NADELLA Description - Combined bearing outer Ø 22.4mm Part number - RAXPZ 410 Mass - 29 g BEARINGS ...

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Nadella Group
combined bearing
combined bearing
RAXNPZ series

Inside diameter: 10 mm - 70 mm
Outside diameter: 19 mm - 96 mm

COMBINED BEARING WITH INCORPORATED THRUST PLATE, MACHINE TOOL QUALITY RAXNPZ Manufacturer - NADELLA Description - Combined bearing outer Ø 22.4mm Part number - RAXNPZ 410 Mass - ...

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Nadella Group
ball bearing
ball bearing
BD3 DDK series

Inside diameter: 30 mm - 50 mm
Outside diameter: 45 mm - 90 mm
Width: 17 mm - 40 mm

Tension Bearing And Unit For Automotive Engine Idler Bearing And Unit Automobile Air-condition’ s Compressor Electromagnetic Clutch Bearing

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Qingdao Taide Automobile Bearing Co.,Ltd
ball bearing
ball bearing

Automobile Air-conditioning Compressor Electromagnetic Clutch Bearing Tension bearing and pulley bearing for automotive engine

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Qingdao Taide Automobile Bearing Co.,Ltd
ball bearing
ball bearing
5 series

Inside diameter: 17 mm - 50 mm
Outside diameter: 40 mm - 110 mm
Width: 17.5 mm - 44.4 mm

Automotive Engine Intelligence Fan Electromagnetic Clutch Bearing

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Qingdao Taide Automobile Bearing Co.,Ltd
ball bearing
ball bearing
7 series

Inside diameter: 100 mm - 670 mm
Outside diameter: 150 mm - 900 mm
Width: 24 mm - 112 mm

... the bearing or created when the bearing is inserted into an assembly. The contact angle varies from 15° to 40° and is measured relative to a line running perpendicular to the bearing ...

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JTEKT-Koyo
ball bearing
ball bearing
ZKLFA, ZKLF, ZKLN series

Inside diameter: 6 mm - 100 mm
Outside diameter: 19 mm - 200 mm
Width: 12 mm - 55 mm

Axial angular contact ball bearing: HIWIN offers various two-row angular contact ball bearings with or without a flange-mounted outer ring. These are particularly suitable for mounting ballscrews together ...

steel bearing
steel bearing
HIR, HIA series

Bearing locknut: To fasten the various bearings to the ballscrews, HIWIN offers compatible locknuts with radial or axial clamping.

crossed roller bearing
crossed roller bearing
CRB series

Inside diameter: 20 mm - 400 mm
Outside diameter: 70 mm - 405 mm
Width: 12 mm - 40 mm

Bearings CRB: HIWIN crossed roller bearings are characterised by high rigidity, very high concentricity and high torque capacity in all directions. These features make them ideal for use in industrial ...

ball bearing
ball bearing
CEU3K00 series

Inside diameter: 13.18 in
Outside diameter: 7.59 in
Width: 2.06 in

Bore range 1 11/16" - 3 7/16"; Single setscrew collar; Seal configurations: Clearance, Double lip; Closed end cap available on request

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Rexnord Industries, LLC
roller bearing
roller bearing
PR series

Inside diameter: 42 mm - 103 mm
Outside diameter: 64.8 mm - 153.8 mm
Width: 20 mm - 43 mm

... mm -Bearings from 4.054 to 4.063 are relubricateable -Bearings are lubricated with grease grade 3 (e.g. Shell Gadus S2 V100 3) -Standard WINKEL Bearings are resistant from ...

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WINKEL
ball bearing
ball bearing
60

... deep-groove ball bearings are suitable for high and extremely high speeds. Deep-groove ball bearings with a flange have a rib on the outer ring, which allows them to be secured axially against shifting. Deep-groove ...

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Findling Wälzlager GmbH
ball bearing
ball bearing
511

Axial deep-groove ball bearings consist of shaft washers, housing washers, and ball-cage assemblies. The bearings are not self-retaining. As a result, the ball-cage assembly and bearing ...

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Findling Wälzlager GmbH
ball bearing
ball bearing
108

... temperature resistance of -40 °C to +100 °C. The bearing clearance of a bearing is identified by means of its C mark (C0, C2, C3 ...). Tapered bearings are usually used in the C3 design ...

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Findling Wälzlager GmbH
bearing with plastic cage
bearing with plastic cage
LEL series

... lend them outstanding bearing properties. Bearing elements in the LEL type permit the greatest possible freedom of bearing design. The standard mounting space is between 5.9 mm and 20.9 ...

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FRANKE
bearing with plastic cage
bearing with plastic cage
LER series

... preload, runability and diameter ranges Diameter range • infinitely variable from 70 to 2000 mm In detail Bearing type Franke bearing elements in type LER are designed for medium rotational speeds ...

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FRANKE
bearing with plastic cage
bearing with plastic cage
LEW Series

Width: 16.6 mm

... infinitely variable from 400 to 1200 mm In Detail Bearing type Franke bearing elements of the type LEW are suitable for medium rotary speeds and accuracies. They impress with their smooth running, high ...

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FRANKE
cylindrical roller bearing
cylindrical roller bearing
RTB AMS

... range of axial-radial roller bearings from Unitec. The series is designed with an angle measuring system. The series is bi-directional and is suitable for use with rotary tables and spindle heads for machine tools. The ...

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UNITEC
ball bearing
ball bearing

Inside diameter: 4 mm - 60 mm
Outside diameter: 16 mm - 95 mm

... - Ball and Roller Bearing Sprag Clutches The GFK clutch combines a sprag unit with a roller bearing and ball bearing into a unit which dimensionally equates to a 59 series bearing. ...

ball bearing
ball bearing
Sealmaster® ER

Inside diameter: 20 mm - 60 mm
Outside diameter: 52.4 mm - 203.2 mm
Width: 15.9 mm - 63.5 mm

Sealmaster® ER Style Ball Bearings Sealmaster® Gold ER bearings feature a cylindrical OD and snap ring for easy installation in a roll assembly. Shaft lock is achieved by either setscrew or Skwezloc® ...

ball bearing
ball bearing

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Chiaravalli Group SpA
ball bearing
ball bearing

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Chiaravalli Group SpA
cylindrical roller bearing
cylindrical roller bearing

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Chiaravalli Group SpA
ball bearing
ball bearing

The ball bearing is designed with a simple construction, and is easy to maintain. It is centrally used for bearing radial load even large axial load, resisting a particular degree of axial load, and enhancing ...

cylindrical roller bearing
cylindrical roller bearing

... . Needle roller bearings are divided into 1 Radial needle roller and cage assemblies 2.NA, NKI-type needle roller bearings 3.RNA, NK-type needle roller bearings without ...

roller bearing
roller bearing

Roller bearings can be easily installed and detached, even with heavy equipment. The bearings can stand a heavy load due to its line contact and radial load capacity. Fast operation processes are ...

ball bearing
ball bearing

Rotational movement is everywhere. And so is CGR – we have been called on to develop applications of our products for many different sectors ranging from sports to medical uses, from farm machinery to the leisure industry, and the list goes on...

ball bearing
ball bearing
Standard series

Inside diameter: 17 mm - 60 mm
Outside diameter: 47 mm - 120 mm
Width: 15 mm - 20 mm

ACBB, which is the abbreviation of angular contact ball bearings. With different contact angles, the higher axial load can be well taken care now. TPI standard ball bearings are the perfect solution for ...

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TPI Bearings
high-speed bearing
high-speed bearing
HS series

Inside diameter: 10 mm - 100 mm
Outside diameter: 26 mm - 150 mm
Width: 8 mm - 24 mm

High speedball bearings, with smaller rolling elements, HS bearings are able to withstand higher rotating speed than the standard design. Inner and outer rings Standard bearing steel ...

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TPI Bearings
ball bearing
ball bearing
BS/HBS series

Inside diameter: 17 mm - 60 mm
Outside diameter: 47 mm - 120 mm
Width: 15 mm - 20 mm

... screw bearings series, shorten as BS bearings, is designed to maximize smaller ball numbers with thicker I/R & O/R and 60 degree contact angles. This design allows BS bearings to have ...

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TPI Bearings
crossed roller bearing
crossed roller bearing
SX 011818

Inside diameter: 90 mm
Outside diameter: 115 mm
Width: 13 mm

... the cross-roller bearing, cylindrical rollers are arranged with each roller perpendicular to the adjacent roller, in a 90° V groove, rollers, and grooves are linear contact, rings and rollers have small elastic deformation ...

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THB Bearings
crossed roller bearing
crossed roller bearing
RA Series

... required service life一—Choose proper bearing dimension Rigidity―Confirm the bearing clearance, rigidity, and install location. Rotation precision一Confirm bearing precision grade. 3.Rotation ...

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THB Bearings
roller bearing
roller bearing
NATR series

Inside diameter: 5 mm - 50 mm
Outside diameter: 16 mm - 90 mm
Width: 11 mm - 30 mm

Support roller, also called yoke type track roller, is a single-row or double-row bearing unit mounted on a shaft or bolt. Yoke type track rollers consist of a thicker outer ring with a specific outer surface profile ...

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THB Bearings
combined bearing
combined bearing
CPM 2147

Special group with two angular contact ball bearings for the medical sector.

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CPM S.p.A.
crossed roller bearing
crossed roller bearing
CPM 2845

Inside diameter: 55 mm
Outside diameter: 170 mm
Width: 32 mm

Crossed roller bearings. The main feature of this bearing is that the cylindrical rollers are arranged with each roller perpendicular to the adjacent roller, in a 90° V groove, separated from each other ...

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CPM S.p.A.
ball bearing
ball bearing
CPM 2612

Outside diameter: 10 mm - 800 mm

The radial ball bearings, single and double row that CPM designs and manufactures, go from 10 mm bore up to 800 mm external diameter. This type of bearing may be supplied full complement or with separating ...

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CPM S.p.A.
ball bearing
ball bearing
CL series

Inside diameter: 25.4 mm - 508 mm
Outside diameter: 34.92 mm - 526.8 mm

... sacrificing bearing performance or life. A Conrad assembled bearing designed primarily for application of radial load—deep ball grooves also permit application of thrust load in either ...

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Luoyang VSG Bearing Co., Ltd
ball bearing
ball bearing
CN series

Inside diameter: 25.4 mm - 508 mm
Outside diameter: 34.92 mm - 523.88 mm

... rotation. The Four Point Bearings can carry radial load and axial load in double directions. One Four Point Bearing can replace the two angular contact ball bearings.

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Luoyang VSG Bearing Co., Ltd
ball bearing
ball bearing
CM series

Inside diameter: 25.4 mm - 508 mm
Outside diameter: 34.92 mm - 558.8 mm

Angular Contact Ball Bearings Difference between Thin Section Angular Contact Ball Bearings and Standard Angular Contact Ball bearings is the cross section dimension were designed to ...

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Luoyang VSG Bearing Co., Ltd
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How to choose this product
bearing

Like plain bearings, rolling bearings allow to reduce frictions between two parts in a rotational guide. Depending on whether the orientation load is axial or radial, different kinds of bearings exist. Bearings are composed of rolling elements, usually balls, cylindrical or tapered rollers, or needles.

Applications

Bearings are used in every area of mechanical construction or in precise rotational guidings. They require almost no maintenance (e.g. gearboxes, reduction gears, motors, fans).

Technologies

Three groups of parts compose a bearing. In most cases (radial rollings), they are made of an inner and an outer race separated by one or many rows of rolling elements.

Three types of rolling elements exist: balls, rollers and needles.

The different elements composing a bearing can be made of plastic, ceramic or steel.

Advantages

- Rotation velocity
- Precision

Disadvantages

- Fragility
- Maintenance