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    Series Q-Single Row Ball Slewing Bearing
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    Series Q-Single Row Ball Slewing Bearing-External gear


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    Characteristic of structure, performance and application

    The single row four point contact ball slewing bearing (slewing ring slew gear turntable bearing swing bearing ) is composed of two seat rings, which design in compact structure and light weight, steel ball contact with the circular raceway at four point, it can bear the axial force, radial force and the tilting moment at the same time.

    It can be used for slewing conveyer, welding manipulator, light & medium duty crane, excavator, and other construction machinery.

    Note:
    1. n1 is the nos of lubricating holes.Oil cup M10×1JB/T7940.1~JB/T7940.2.The Oil nipple's    location can be change according to the user's application.
    2. n-φcan change to tapped hole,the diameter of tapped hole is M,depth is 2M.
    3. The tangential tooth force in the form is the max tooth force,the nominal tangential tooth force is 1/2 of the max one.
    4. "K" is addendum reduction coefficient.

    No.

    Model

    Dimensions

    Mounting Dimensions

    Structural Dimension

    Gear Data 

    External Gear

    H

    Du

    Dn

    n

    Through Hole A

    Screw hole
      B/C/D

    n1

    h

    B

    m

    External Gear x=-0.5

    De

    z

    Weight

    D

    d

    φ

    d1

    T

    mm

     

    mm

     

    mm

    mm

     

    kg

    1

    QW.315.20

    406

    222

    60

    370

    260

    10

    17

    M16

    24

    2

    10

    40

    3

    423

    140

    35

    QW.315.20A

    4

    428

    106

    36

    2

    QW.355.20

    446

    262

    60

    410

    300

    10

    17

    M16

    24

    2

    10

    40

    3

    462

    153

    40

    QW.355.20A

    4

    468

    116

    41

    3

    QW.400.20

    490

    307

    60

    455

    345

    12

    17

    M16

    24

    2

    10

    40

    4

    512

    127

    45

    QW.400.20A

    5

    520

    103

    47

    4

    QW.450.20

    540

    357

    60

    505

    395

    12

    17

    M16

    24

    2

    10

    40

    4

    564

    140

    51

    QW.450.20A

    5

    570

    113

    53

    5

    QW.500.20

    590

    407

    60

    555

    445

    14

    17

    M16

    24

    2

    10

    40

    5

    615

    122

    56

    QW.500.20A

    6

    624

    103

    58

    6

    QW.560.20

    654

    464

    70

    618

    502

    14

    17

    M16

    30

    2

    10

    50

    4

    680

    169

    78

    QW.560.20A

    5

    685

    136

    79

    7

    QW.630.20

    724

    534

    70

    688

    572

    16

    17

    M16

    30

    2

    10

    50

    4

    748

    186

    86

    QW.630.20A

    5

    755

    150

    88

    8

    QW.710.20

    804

    614

    70

    768

    652

    18

    17

    M16

    30

    2

    10

    50

    5

    835

    166

    99

    QW.710.20A

    6

    840

    139

    101

    9

    QW.800.20

    894

    704

    70

    858

    742

    20

    17

    M16

    30

    2

    10

    50

    6

    930

    154

    114

    QW.800.20A

    8

    936

    116

    114

    10

    QW.800.25

    904

    692

    78

    864

    736

    18

    22

    M20

    36

    2

    10

    58

    6

    942

    156

    143

    QW.800.25A

    8

    952

    118

    147

    11

    QW.900.25

    1004

    792

    78

    964

    836

    20

    22

    M20

    36

    2

    10

    58

    8

    1048

    130

    162

    QW.900.25A

    10

    1060

    105

    168

    12

    QW.1000.25

    1104

    892

    78

    1064

    936

    24

    22

    M20

    36

    2

    10

    58

    8

    1152

    143

    182

    QW.1000.25A

    10

    1160

    115

    185

    13

    QW.1000.32

    1120

    876

    90

    1074

    926

    24

    24

    M22

    40

    2

    10

    70

    8

    1160

    144

    227

    QW.1000.32A

    10

    1170

    116

    232

    14

    QW.1120.32

    1240

    996

    90

    1194

    1046

    28

    24

    M22

    40

    4

    10

    70

    10

    1300

    129

    272

    QW.1120.32A

    12

    1308

    108

    275

    15

    QW.1250.32

    1370

    1126

    90

    1324

    1176

    32

    24

    M22

    40

    4

    10

    70

    10

    1430

    142

    302

    QW.1250.32A

    12

    1440

    119

    309

    16

    QW.1400.32

    1520

    1276

    90

    1474

    1326

    36

    24

    M22

    40

    4

    10

    70

    12

    1584

    131

    337

    QW.1400.32A

    14

    1596

    113

    347

    17

    QW.1250.40

    1390

    1108

    102

    1336

    1164

    32

    26

    M24

    45

    4

    12

    80

    10

    1450

    144

    396

    QW.1250.40A

    12

    1452

    120

    392

    18

    QW.1400.40

    1540

    1258

    102

    1486

    1314

    36

    26

    M24

    45

    4

    12

    80

    12

    1608

    133

    448

    QW.1400.40A

    14

    1610

    114

    443

    19

    QW.1600.40

    1740

    1458

    102

    1686

    1514

    40

    26

    M24

    45

    4

    12

    80

    12

    1812

    150

    528

    QW.1600.40A

    14

    1820

    129

    534

    20

    QW.1800.40

    1940

    1658

    102

    1886

    1714

    44

    26

    M24

    45

    4

    12

    80

    14

    2016

    143

    583

    QW.1800.40A

    16

    2032

    126

    607

    21

    QW.1600.50

    1762

    1434

    124

    1704

    1496

    40

    30

    M27

    50

    4

    12

    100

    12

    1824

    151

    714

    QW.1600.50A

    14

    1834

    130

    727

    22

    QW.1800.50

    1964

    1634

    124

    1904

    1696

    44

    30

    M27

    50

    4

    12

    100

    14

    2044

    145

    845

    QW.1800.50A

    16

    2048

    127

    843

    23

    QW.2000.50

    2162

    1834

    124

    2104

    1896

    48

    30

    M27

    50

    6

    12

    100

    16

    2240

    139

    912

    QW.2000.50A

    18

    2250

    124

    927

    24

    QW.2240.50

    2402

    2074

    124

    2344

    2136

    54

    30

    M27

    50

    6

    12

    100

    16

    2480

    154

    1020

    QW.2240.50A

    18

    2502

    138

    1078

    25

    QW.2500.50

    2662

    2334

    124

    2604

    2396

    60

    30

    M27

    50

    6

    12

    100

    18

    2754

    152

    1171

    QW.2500.50A

    20

    2760

    137

    1175

    26

    QW.2500.60

    2696

    2304

    150

    2626

    2374

    60

    33

    M30

    56

    6

    14

    122

    18

    2790

    154

    1677

    QW.2500.60A

    20

    2800

    139

    1701