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  • Products

    One way Clutch Bearing

    Product Details


    CSK series


    All the CSK versions are equipped with “formchromed” sprags. This process increases several times the overrunning life time. Torque transmission is ensured by a press fit assembly into a rigid outer housing with N6 tolerance, and onto a shaft with n6 tolerance. The initial bearing radial clearance is set at C5, and is reduced if using the press fit as specified.


    Please contact us when either the ambient or the operating temperature is not within the range  5°C to  60°C. CSK..2RS is 5 mm wider but is equiped with lip seals to be water splash resistant.


    Types CSK..P and CSK..PP are sprag type freewheels integrated into 62.. series ball bearings (except size 40). They are bearing supported, delivered grease lubricated and protected against dust of more than 0,3 mm.


    The use of additional “nylos” type seals is recommended especially when the working temperature exceeds 50°C. Oil bath lubrication is also possible.


    In addition to the basic CSK model, type CSK..P features a keyway on the inner race. For this reason it can be keyed to a shaft to k6 tolerance. The outer race must still be pressed into a rigid housing to N6 tolerance.


    CSK..PP features a keyway on both the inner and outer race. The recommended mounting tolerances are h6 on the shaft and H6 in a rigid housing. Please contact us when either the ambient or the operating temperature is not within the range  5°C to  60°C.




    Type

    Size mm

    Drag torque

    Weight(KG)

    NTL

    GERMANY

    JAPAN

    d(inside dimension)

    D(outside dimension)

    B(thickness)

    Tkn(N.m)

    CSK8

    CSK8

     

    8*

    22

    9

    2.5

    0.015

    CSK12

    CSK12

     

    12

    32

    10

    7.5

    0.04

    CSK15

    CSK15

    BB15

    15

    35

    11

    13.5

    0.05

    CSK17

    CSK17

    BB17

    17

    40

    12

    24.5

    0.07

    CSK20

    CSK20

    BB20

    20

    47

    14

    40

    0.11

    CSK25

    CSK25

    BB25

    25

    52

    15

    68

    0.14

    CSK30

    CSK30

    BB30

    30

    62

    16

    110

    0.21

    CSK35

    CSK35

    BB35

    35

    72

    17

    140

    0.3

    CSK40

    CSK40

    BB40

    40

    80

    22

    260

    0.5

    CSK8-2RS

    CSK8-2RS

     

    8

    22

    9

    2.5

    0.015

    CSK12-2RS

    CSK12-2RS

     

    12

    32

    14

    7.5

    0.05

    CSK15-2RS

    CSK15-2RS

    BB15-2GD

    15

    35

    16

    13.5

    0.07

    CSK17-2RS

    CSK17-2RS

    BB17-2GD

    17

    40

    17

    24.5

    0.09

    CSK20-2RS

    CSK20-2RS

    BB20-2GD

    20

    47

    19

    40

    0.145

    CSK25-2RS

    CSK25-2RS

    BB25-2GD

    25

    52

    20

    68

    0.175

    CSK30-2RS

    CSK30-2RS

    BB30-2GD

    30

    62

    21

    110

    0.27

    CSK35-2RS

    CSK35-2RS

    BB35-2GD

    35

    72

    22

    140

    0.4

    CSK40-2RS

    CSK40-2RS

    BB40-2GD

    40

    80

    27

    260

    0.6

    ASNU series


    Type ASNU is a roller type freewheel non-bearing supported. Bearings are required to support axial and radial loads. Lubrication and sealing must also be provided by the installation. Nominal outer diameter is the same as a series 63...Ball bearing.


    A typical arrangement is to install this type alongside a bearing within the same location tolerances, as shown on the following page. The inner race is keyed to the shaft.


    The outer race has positive n6 tolerance, to give a press fit in a H7 housing. Additional side notches in the outer race provide for positive torque transmission.


    If the housing is to K6 tolerance, use of the notches is not necessary, but the housing must be strong enough to not expand after assembly. This design can accept an axial misalignment of inner and uter race of ± S/2.


    Model Number

     

    Overrunning Speeds

     

     

     

     

     

     

     

     

     

    Weight

    Dragtorque

    dH7

    TKN1)

    nimax2)

    namax3)

    Dn6

    D5

    L

    b

    t

    s

    e

    f

     

    TR

    [mm]

    [Nm]

    [min-1]

    [min-1]

    [mm]

    [mm]

    [mm]

    [mm]

    [mm]

    [mm]

    [mm]

    [mm]

    [kg]

    [Ncm]

    ASNU8 

    12 

    3300 

    5000 

    35 

    28 

    13 

    1.4

    2.4

    0.6

    0.3

    0.07

    1.6

    ASNU12 

    12 

    3300 

    5000 

    35 

    28 

    13 

    1.4

    2.4

    0.6

    0.3

    0.06

    1.6

    ASNU15 

    30 

    2400 

    3600 

    42 

    37 

    18 

    1.8

    2.4

    0.8

    0.3

    0.11

    1.9

    ASNU17 

    49 

    2300 

    3400 

    47 

    40 

    19 

    2.3

    2.4

    1.2

    0.8

    0.15

    1.9

    ASNU20 

    78 

    2100 

    3100 

    52 

    42 

    21 

    2.3

    2.4

    1.2

    0.8

    0.19

    1.9

    ASNU25 

    125 

    1700 

    2600 

    62 

    51 

    24 

    2.8

    2.4

    1.2

    0.8

    0.38

    5.6

    ASNU30 

    255 

    1400 

    2200 

    72 

    60 

    27 

    10 

    2.5

    2.4

    1.8

    0.54

    14 

    ASNU35 

    383 

    1200 

    1900 

    80 

    70 

    31 

    12 

    3.5

    2.4

    1.8

    0.74

    16 

    ASNU40 

    538 

    1100 

    1700 

    90 

    78 

    33 

    12 

    4.1

    2.5

    1.8

    0.92

    38 

    ASNU45 

    780 

    1000 

    1600 

    100 

    85 

    36 

    14 

    4.6

    2.5

    1.8

    1.31

    43 

    ASNU50 

    1013 

    850 

    1350 

    110 

    92 

    40 

    14 

    5.6

    2.5

    1.8

    1.74

    55 

    ASNU60 

    1825 

    750 

    1050 

    130 

    110 

    46 

    18 

    5.5

    3.6

    2.6

    1.5

    2.77

    110 

    ASNU70 

    2300 

    600 

    950 

    150 

    125 

    51 

    20 

    6.9

    3.6

    2.6

    1.5

    4.16

    140 

    ASNU80 

    3275 

    550 

    850 

    170 

    140 

    58 

    20 

    7.5

    3.6

    2.6

    1.5

    6.09

    180 

    ASNU90 

    5325 

    500 

    750 

    190 

    160 

    64 

    20 

    8

    3.6

    2.6

    8.2

    230 

    ASNU100 

    7250 

    450 

    680 

    215 

    175 

    73 

    24 

    8.5

    3.6

    2.6

    12.6

    380 

    ASNU120 

    13500 

    370 

    550 

    260 

    215 

    86 

    28 

    10 

    3.6

    2.6

    2.5

    22 

    650 

    ASNU150 

    26625 

    300 

    460 

    320 

    260 

    108 

    32 

    12 

    3.6

    3.6

    2.5

    42 

    1000 

    ASNU200 

    44500 

    230 

    350 

    420 

    350 

    138 

    45 

    16 

    7.6

    3.6

    93 

    2000 

    DC series


    Type DC is a sprag type freewheel cage without inner or outer races.


    It must be installed in a design providing races, bearing support for axial and radial loads, lubrication and sealing. The DC type version -N accepts all types of lubricants currently used in power transmissions including gear oils with EP additives.


    The sprag space tolerance must not be exceeded. Inner and outer races must both have a minimum plain width "e", without any recess, to ensure the freewheel functions correctly as shown on following pages


    Alternatively, races can be made in case hardened steel shafts, or housings, to the specification below.


    Surface hardness of the finished part should be HRC 60 to 62, for a depth of 0,6 mm minimum.


    Core hardness to be HRC35 to 45. Surface roughness not to exceed 22CLA. Maximum taper between races : 0,007 mm for 25 mm width.

    Type

    Drag torque

    Size(mm)

    Number of clips

    Tkn(NM)

    a

    c

    sprag space

    e

    d

    b

    DC2222G

    50

    22.225

    38.885

    8.33

    10

    50

    17

     

    DC2776

    95

    27.762

    44.422

    8.33

    13.5

    58

    21

     

    DC3034

    99

    30.34

    47

    8.33

    13.5

    62

    23

     

    DC3175(3C)

    127

    31.75

    48.41

    8.33

    13.5

    63

    24

    3

    DC3809A

    220

    38.092

    54.752

    8.33

    16

    71

    29

     

    DC4127(3C)

    179

    41.275

    57.935

    8.33

    13.5

    75

    32

    3

    DC4445A

    290

    44.45

    61.11

    8.33

    16

    79

    34

     

    DC4972(4C)

    245

    49.721

    66.381

    8.33

    13.5

    86

    38

    4

    DC5476A

    420

    54.765

    71.425

    8.33

    16

    92

    42

     

    DC5476A(4C)

    420

    54.765

    71.425

    8.33

    16

    92

    42

    4

    DC5476B(4C)

    615

    54.765

    71.425

    8.33

    21

    92

    42

    4

    DC5476C(4C)

    792

    54.765

    71.425

    8.33

    25.4

    92

    42

    4

    DC5776A

    483

    57.76

    74.42

    8.33

    16

    98

    44

     

    DC6334B

    645

    63.34

    80

    8.33

    21

    104

    50

     

    DC7221(5C)

    540

    72.217

    88.877

    8.33

    13.5

    115

    56

    5

    DC7221B

    1023

    72.217

    88.877

    8.33

    21

    115

    56

     

    DC7221B(5C)

    1023

    72.217

    88.877

    8.33

    21

    115

    56

    5

    DC7969C(5C)

    1630

    79.698

    96.358

    8.33

    25.4

    124

    61

    5

    DC8334C

    1645

    83.34

    100

    8.33

    25.4

    132

    65

     

    DC8729A

    1000

    87.29

    103.96

    8.33

    16

    134

    67

     

    DC10323A(3C) *

    1290

    103.231 **

    119.891

    8.33

    16

    155

    80

    3

    DC12334C *

    3840

    123.34 **

    140

    8.33

    25.4

    184

    96

     

    DC12388C(11C)

    3900

    123.881

    142.88

    9.5

    25.4

    196

    96

    11

    FE series


    FE series Freewheel-clutches transmit or support torque moment by friction contact in  one  direction and permit idling in the opposite direction.


    USED AS:


    1.Indexing elements to change from oscillating to intermittent rotary motion.


    2.Backstops to prevent self reversing due to load condition when the machine is not activated.


    3.Overrunning clutches to maintain driven unit activated even during slowdown, or in the case of


    two speed operation (by independent motors) to switch to the higher speed by passing the slower.


    LUBRICATION


    Lubrication is especially important to obtain maximum life of freewheel clutches.


    Good lubrication decreases drag. Please refer to our Lubrication Selection Table for proper


    selection.


    Clutches (except the sealed Clutches of series FND, FPD, FK 62...-RS, FK 62...-2RS, FKN...-RS , and FKN...-2RS) are shipped rust protected not lubricated.


    Dimensions   

    FE 400

    FE 400 Z

    FE 400 Z2

    Idling speed Clutch

    [mm]

    dL

    DL

    Part Number

    Torque 

    Part Number

    Torque M 

    Part 

    Torque 

    nmax [RPM]

    M  

    [N.m]

    Number

    M  

    [N.m]

     

     

    [N.m]

    2

    10

     

     

     

     

    FE 410 Z2

    0.3

    10,000

    4

    12

     

     

    FE 412 Z

    3

    FE 412 Z2

    1.8

    10,000

    5

    13

     

     

     

     

    FE 413 Z2

    2.9

    9,000

    6

    14

     

     

    FE 414 Z

    7

    FE 414 Z2

    2.6

    8,500

    8

    16

     

     

    FE 416 Z

    12

    FE 416 Z2

    7.6

    7,500

    14

    22

    FE 422

    48

    FE 422 Z

    44

    FE 422 Z2

    21

    5,300

    15

    23

    FE 423

    55

    FE 423 Z

    48

    FE 423 Z2

    24

    5,200

    17

    25

    FE 425

    68

    FE 425 Z

    58

    FE 425 Z2

    30

    4,700

    19

    27

    FE 427

    80

    FE 427 Z

    66

    FE 427 Z2

    36

    4,400

    20

    28

    FE 428

    87

    FE 428 Z

    75

    FE 428 Z2

    39

    4,200

    22

    30

    FE 430

    101

    FE 430 Z

    87

    FE 430 Z2

    46

    4,000

    24

    32

    FE 432

    116

    FE 432 Z

    97

    FE 432 Z2

    52

    3,700

    25

    33

    FE 433

    124

    FE 433 Z

    107

    FE 433 Z2

    56

    3,600

    27

    35

    FE 435

    141

    FE 435 Z

    121

    FE 435 Z2

    64

    3,400

    29

    37

    FE 437

    158

    FE 437 Z

    137

    FE 437 Z2

    71

    3,200

    30

    38

    FE 438

    168

    FE 438 Z

    144

    FE 438 Z2

    76

    3,100

    34

    42

    FE 442

    207

    FE 442 Z

    178

    FE 442 Z2

    93

    2,800

    35

    43

    FE 443

    217

    FE 443 Z

    187

    FE 443 Z2

    98

    2,700

    40

    48

    FE 448

    272

    FE 448 Z

    235

    FE 448 Z2

    122

    2,500

    45

    53

    FE 453

    333

    FE 453 Z

    281

    FE 453 Z2

    146

    2,200

    50

    58

    FE 458

    400

    FE 458 Z

    345

    FE 458 Z2

    178

    2,000

    51

    59

    FE 459

    414

    FE 459 Z

    357

     

     

     

    55

    63

    FE 463

    472

    FE 463 Z

    407

    FE 463 Z2

    202

    1,900

    60

    68

    FE 468

    550

    FE 468 Z

    474

    FE 468 Z2

    243

    1,750

    62

    70

    FE 470

    583

    FE 470 Z

    502

     

     

    1,700

    65

    73

    FE 473

    633

    FE 473 Z

    545

     

     

    1,600

    70

    78

    FE 478

    722

    FE 478 Z

    622

     

     

    1,500

    80

    88

    FE 488

    914

    FE 488 Z

    788

     

     

    1,300


    FWD series


    BRB type

    Type

    Inner race

    Outer race

    Wmin

    Tkn

    Weight

     

    D  0.008

    DO ±0.013 (mm)

    W

    (Kgf-m)

    (g)

    -0.005

    (mm)

    (mm)

     

    FWD331608BRB

    39.627

    56.294

    13

    27

    73

    FWD331808BRB

    45.665

    62.332

    13.3

    35

    82

    FWD332008BRB

    51.71

    68.377

    13.3

    45

    91

    FWD332211BRB

    57.76

    74.427

    16.3

    78

    13

    BRS type


    Type

    Inner race

    Outer race

    Wmin

    Tkn

    Weight

     

    D  0.008

    DO ±0.013 (mm)

    W

    (Kgf-m)

    (g)

    -0.005

    (mm)

    (mm)

     

    FWD331608BRS

    39.627

    56.294

    13

    27

    77

    FWD331808BRS

    45.665

    62.332

    13.3

    35

    87

    FWD332008BRS

    51.71

    68.377

    13.3

    45

    97

    FWD332211BRS

    57.76

    74.427

    16.3

    78

    134

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