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                                    Full Complement Balls Ceramic Plain Bearings
                                    • Full Complement Balls Ceramic Plain BearingsFull Complement Balls Ceramic Plain Bearings
                                    • Full Complement Balls Ceramic Plain BearingsFull Complement Balls Ceramic Plain Bearings

                                    Full Complement Balls Ceramic Plain Bearings

                                    High quality Full Complement Balls Ceramic Plain Bearings is offered by China manufacturers Top Bearings. Buy Full Complement Balls Ceramic Plain Bearings which is of high quality directly with low price.

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                                    Product Description

                                    High quality Full Complement Balls Ceramic Plain Bearings is offered by China manufacturers Top Bearings. Buy Full Complement Balls Ceramic Plain Bearings which is of high quality directly with low price.


                                    Product Parameter

                                    Material:

                                    Si3N4

                                    Density:

                                    3.2 G/cm3

                                    Material Of Rings & Balls:

                                    Full Si3N4 Ceramic Material

                                    HV Hardness:

                                    1700 HRC

                                    Coefficient Of Expansion:

                                    3.20 10^-6/℃

                                    The Highest Temperature:

                                    1000℃

                                    High Light:

                                    full ceramic bearings, ceramic balls for bearings

                                     

                                    Full Complement Balls Of Si3N4 Ceramic Bearings, Full Ceramic Bearings

                                    Full Ceramic Bearings of full complement balls of Si3N4 material has an add-ball gap on its side. Because using no cage design, Full Complement Balls Of Si3N4 Ceramic Bearings is able to install more ceramic balls than the standard construction, so the heavier radial load ability could be increased more. In addition, to avoid the limited of the cage material, Full Complement Balls Of Si3N4 Ceramic Bearings has more corrosion resistance and higher temperature application than the full ceramic bearing of ceramic cage. This series of Full Complement Balls Of Si3N4 Ceramic Bearings is not for high-speed circumgyration, so the side with gap shouldn’t be installed on enduring axial load side. As there are add-balls gaps in the inner and outer rings, Full Complement Balls Of Si3N4 Ceramic Bearings couldn’t be used in more axial load application. The highest temperature of recommendation is 1000℃.

                                     

                                    Comparison of bearing material technical data

                                    Technical data

                                    unit

                                    GCr15

                                    9Cr18

                                    Si3N4

                                    AL203

                                    ZrO2

                                    Density

                                    g/cm³

                                    7.8

                                    7.9

                                    3.2

                                    3.95

                                    6

                                    a Coefficient of expansion

                                    10^-6/℃

                                    11

                                    17

                                    3.2

                                    9.1

                                    10.5

                                    E modulus of elasticity

                                    Gpa

                                    208

                                    200

                                    320

                                    380

                                    210

                                    μ Poisson ratio

                                    0.3

                                    0.3

                                    0.26

                                    0.27

                                    0.3

                                    HV Hardness

                                    800

                                    700

                                    1700

                                    1800

                                    1300

                                    δ Flexural strength

                                    Mpa

                                    2400

                                    2600

                                    900

                                    220

                                    1000

                                    δ Compressive Strength

                                    MPa

                                    2000

                                    1500

                                    3500

                                    Kc Impact strength

                                    Nm/cm²

                                    20

                                    25

                                    7

                                    3.5

                                    11

                                    λ Thermal conductivity

                                    W/mk

                                    30-40

                                    15

                                    3.5

                                    25

                                    2.5

                                    Ω Specific resistivity

                                    mm²/m

                                    1

                                    0.75

                                    10^18

                                    10^8

                                    10^5

                                    Specific heat

                                    J/KgK

                                    450

                                    450

                                    800

                                    880

                                    400

                                    Application temperature

                                    120

                                    150

                                    1000

                                    1850

                                    800

                                    Anti-corrossion

                                    No

                                    poor

                                    Good

                                    Good

                                    Good

                                    Cycle stress

                                    10*10^6

                                    10*10^6

                                    50*10^6

                                    30*10^6

                                    50*10^6

                                    Destroy model

                                    peel

                                    peel

                                    peel

                                    fracture

                                    peel/fracture

                                    Anti-magnetism

                                    Yes

                                    Yes

                                    No

                                    No

                                    No

                                    Dimension stability

                                    bad

                                    poor

                                    Good

                                    Good

                                    Good

                                    Insulate properties

                                    No insulation

                                    No insulation

                                    Good

                                    Good

                                    Good

                                     

                                    Basic properties of staple engineer plastic

                                    Material

                                    HDPE

                                    PP

                                    POM

                                    PA66

                                    PVDF

                                    PPS

                                    PTFE

                                    PEEK

                                    Long-time working temp.

                                    90

                                    100

                                    110

                                    100

                                    150

                                    230

                                    260

                                    280

                                    Density

                                    g/cm3

                                    0.91

                                    1.42

                                    1.14

                                    1.77

                                    1.35

                                    2.18

                                    1.32

                                    Ball indentation hardness

                                    50

                                    80

                                    170

                                    170

                                    80

                                    190

                                    30

                                    Tensile stress

                                    25

                                    30

                                    70

                                    80

                                    50

                                    75

                                    25

                                    95

                                    Sliding friction coefficient

                                    0.29

                                    0.3

                                    0.34

                                    0.35-0.42

                                    0.3

                                    0.08-0.1

                                    0.3-0.38

                                    Melted temperature

                                    130

                                    165

                                    175

                                    260

                                    172

                                    280

                                    327

                                    343

                                    Short-time highest application temperature

                                    90

                                    140

                                    150

                                    170

                                    150

                                    260

                                    260

                                    300

                                    Coet of Inear expansion (10^-5/K)

                                    13-15

                                    17

                                    10

                                    8

                                    13

                                    5

                                    12

                                    5

                                    Dielectric constant at 1 Mhz(10^6HZ)

                                    2.4

                                    2.25

                                    3.7

                                    3.6-5

                                    8

                                    2.1

                                    3.2-3.3

                                    Volume resisrivity (Ω·cm)

                                    >10^15

                                    >10^24

                                    >10^14

                                    10^13

                                    10^12

                                    >10^13

                                    10^14

                                    10^13

                                    flammability UL94

                                    +

                                    +

                                    -

                                    (+)

                                    (+)

                                    -

                                    +

                                    +

                                    Anti-weathering

                                    -

                                    -

                                    -

                                    -

                                    -

                                    -

                                    +

                                    -

                                    Note: + =resistant; (+) =partly resistant; - =non-resistant

                                     

                                    Full Complement Balls Ceramic Plain Bearings Si3N4 For High Speed Circumgyration 0



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