.

Four Point Contact Ball Slewing Bearing

Four Point Contact Ball Slewing Bearing

Due to Four point contact swinging ball bearingshas the widest application, it is our main product and account for 80% of the total product, In order to make sure the contact angle is within the right point, we constantly inspect the raceway grinding machine and inspect the contact angle with a special tool which is our practical patent, this is also why our delivery slewing bearing has longer life than other peers.

Features and Benefits of SWBTEC's Four Point Contact Ball Slewing Bearing

The size of the four point contact ball bearing slewingringsize usually is large with diameter 250~1800mm meters Therefore, bearingfor swing setoften plays the role of several sets of ordinary rolling bearings, that is why it become more and more popular in modern industry

The rotate speed of the slewing bearing is very low, usually below 10 rpm. In addition, in most cases, the slewing bearing does not rotate continuously, but only rotates back and forth within a certain angle, which is equivalent to the so-called "swing bearing".

Usually, the slewing bearing is equipped with a gear ring for rotary drive and seal for dust prevention.

Advantages Of Single Row Ball Slewing Bearing:

Four Point Contact Ball Slewing Bearing Specifications

Type

Configuration Size

Mounting Size

Structural Size

Gear Data

Weight(KG)

QU(D=Internal gear D,d=External gear d)

H

D1

D2

n

Through Hole

Screw Hole

n1 (Grease Hole Qty)

H1

h

B

module

X=-0.5(External Gear Data)

X=+0.5(Internal Gear Data)

External Gear Type

Internal Gear Type

External Gear

Internal Gear

A Type

B,C,D Type

Ball Size

D

d

D

d

φ

M

L (Thread Length)

Da

Z

da

Z

1

406

222

408

224

60

370

260

10

17

M16

24

2

50

10

40

3

423

140

207

70

35

34

4

428

106

200

51

36

35

2

446

262

448

264

60

410

300

10

17

M16

24

2

50

10

40

3

462

153

246

84

40

39

4

468

116

240

61

41

40

3

490

307

493

310

60

455

345

12

17

M16

24

2

50

10

40

4

512

127

288

73

45

44

5

520

103

280

57

47

46

4

540

357

543

360

60

505

395

12

17

M16

24

2

50

10

40

4

564

140

336

85

51

50

5

570

113

330

67

43

52

5

590

407

593

410

60

555

445

14

17

M16

24

2

50

10

40

5

615

122

385

78

56

55

6

624

103

378

64

58

57

6

654

464

656

468

70

618

502

14

17

M16

30

2

60

10

50

4

680

169

440

111

78

76

5

685

136

435

88

79

77

7

724

534

726

538

70

688

572

16

17

M16

30

2

60

10

50

4

748

186

512

129

86

84

5

755

150

505

102

88

86

8

804

614

806

618

70

768

652

18

17

M16

30

2

60

10

50

5

835

166

585

118

99

97

6

840

139

582

98

101

97

9

894

704

896

708

70

858

742

20

17

M16

30

2

60

10

50

6

930

154

672

113

114

110

8

936

116

664

84

114

111

10

904

692

908

694

78

864

736

18

22

M20

36

2

68

10

58

6

942

156

654

110

143

142

8

952

118

648

82

147

142

11

1004

792

1008

794

78

964

836

20

22

M20

36

2

68

10

58

8

1048

130

744

94

162

163

10

1060

105

740

75

168

162

12

1104

892

1108

894

78

1064

936

24

22

M20

36

2

68

10

58

8

1152

143

848

107

182

178

10

1160

115

840

85

185

179

13

1120

876

1124

880

90

1074

926

24

24

M22

40

2

80

10

70

8

1160

144

832

105

227

230

10

1170

116

830

84

232

227

14

1240

996

1244

1000

90

1194

1046

28

24

M22

40

4

80

10

70

10

1300

129

940

95

272

263

12

1308

108

936

79

275

262

15

1370

1126

1374

1130

90

1324

1176

32

24

M22

40

4

80

10

70

10

1430

142

1070

108

302

294

12

1440

119

1068

90

309

290

16

1520

1276

1524

1280

90

1474

1326

36

24

M22

40

4

80

10

70

12

1584

131

1212

102

337

333

14

1596

113

1204

87

347

336

17

1390

1108

1394

1110

102

1336

1164

32

26

M24

45

4

90

12

80

10

1450

144

1050

106

396

388

12

1452

120

1044

88

392

388

18

1540

1258

1544

1260

102

1486

1314

36

26

M24

45

4

90

12

80

12

1608

133

1188

100

448

444

14

1610

114

1190

86

443

434

19

1740

1458

1744

1460

102

1686

1514

40

26

M24

45

4

90

12

80

12

1812

150

1392

117

528

509

14

1820

129

1386

100

534

511

20

1940

1658

1944

1660

102

1886

1714

44

26

M24

45

4

90

12

80

14

2016

143

1582

114

583

576

16

2032

126

1568

99

607

591

21

1762

1434

1766

1438

124

1704

1496

40

30

M27

50

4

112

12

100

12

1824

151

1368

115

714

714

14

1834

130

1358

98

727

723

22

1964

1634

1966

1638

124

1904

1696

44

30

M27

50

4

112

12

100

14

2044

145

1568

113

845

794

16

2048

127

1552

98

843

818

23

2162

1834

2166

1842

124

2104

1896

48

30

M27

50

6

112

12

100

16

2240

139

1760

111

912

891

18

2250

124

1746

98

927

913

24

2402

2074

2406

2078

124

2344

2136

54

30

M27

50

6

112

12

100

16

2480

154

1984

125

1020

1044

18

2502

138

1980

111

1078

1041

25

2662

2334

2666

2342

124

2604

2396

60

30

M27

50

6

112

12

100

18

2754

152

2250

126

1171

1132

20

2760

137

2240

113

1175

1148

26

2696

2304

2696

2308

150

2626

2374

60

33

M30

56

6

136

14

122

18

2790

154

2214

124

1677

1621

20

2800

139

2200

111

1701

1654



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