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Single-ROW Four Point Contact Ball Slewing Ring (Series Q) External Gear

Single-ROW Four Point Contact Ball Slewing Ring (Series Q) External Gear is Consist of two ring seats. Compact structure, light weight, steel ball and arc track contact at four points, can bear axial force, radial force and overturning moment at the same time, has strong dynamic load.
  • QW

  • AOXUAN

  • 01-Q-W

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Slewing bearings comprise an inner ring and an outer ring, one of which usually incorporates a gear. Together with attachment holes in both rings, they enable an optimized power transmission with a simple and quick connection between adjacent machine components. The bearing raceways, in conjunction with the rolling elements and cages or spacers, are designed to accommodate loads acting singly or in combination, and in any direction.

Single-ROW Four Point Contact Ball Slewing Ring (Series QW)

Single-ROW Four Point Contact Ball Slewing Ring (Series Q) External Gear Profile

Single-ROW Four Point Contact Ball Slewing Ring (Series Q W)

According to the stress conditions, the upper and lower rows of steel balls with different diameters are arranged. This open type assembly is very convenient. The bearing angle of the upper and lower circular arc raceways is 90 °, which can withstand large axial force and tipping moment.

Four point contact slewing bearings

Single-ROW Four Point Contact Ball Slewing Ring (Series Q) Table


No.

Type

Configuration & Structural Dimension

Mounting Hole Dimension

Gear Parameter

Weight


QU

QW,QN

QW

QU,QN

QU,QW

QN


H


h


n1


D1


D2


n

Type A

Type B,C,D


b


m

QW(x=-0.5)

QN(x=+0.5)

QU

QW

QN


DL.Steel ball Spec

D

d







Φ

M

T



z

da

z

da

kg

1

315.20   315.20

315.20A

406

408

222

224

60

10

2

370

260

10

φ17

16

24

40

3

4

140

106

423

428

70

51

207

200

31

35

36

34

35

2

355.20   355.20

355.20A

446

448

262

264

60

10

2

410

300

10

φ17

16

24

40

3

4

153

116

462

468

84

61

249

240

37

40

41

39

40

3

400.20   400.20

400.20A

490

493

307

310

60

10

2

455

345

12

φ17

16

24

40

4

5

127

103

512

520

73

57

288

280

41

45

47

44

46

4

450.20   450.20

450.20A

540

543

357

360

60

10

2

505

395

12

φ17

16

24

40

4

5

140

113

564

570

85

67

336

330

47

51

53

50

52

5

500.20   500.20

500.20A

590

593

407

410

60

10

2

555

445

14

φ17

16

30

40

5

6

122

103

615

624

78

64

385

378

52

56

58

55

57

6

560.20   560.20

560.20A

654

656

464

468

70

10

2

618

502

14

φ17

16

30

50

4

5

169

136

680

685

111

88

440

435

72

78

79

76

77

7

630.20   630.20

630.20A

724

726

534

538

70

10

2

688

572

16

φ17

16

30

50

4

5

186

150

748

755

129

102

512

505

80

86

88

84

86

8

710.20   710.20

710.20A

804

806

614

618

70

10

2

768

652

18

φ17

16

30

50

5

6

166

139

835

840

118

98

585

582

91

99

101

97

97

9

800.20   800.20

800.20A

894

896

704

708

70

10

2

858

742

20

φ17

16

30

50

6

8

154

116

930

936

113

84

672

664

102

114

114

110

111

10

800.25   800.25

800.25A

904

908

692

694

78

10

2

864

736

18

φ22

20

36

58

6

8

156

118

942

952

110

82

654

648

130

143

147

142

142

11

900.25   900.25

900.25A

1004

1008

792

794

78

10

2

964

836

20

φ22

20

36

58

8

10

130

105

1048

1060

94

75

744

740

146

162

168

163

162

12

1000.25 1000.25

1000.25A

1104

1108

892

894

78

10

2

1064

936

24

φ22

20

36

58

8

10

143

115

1152

1160

107

85

848

840

162

182

185

178

179

13

1000.32 1000.32

1000.32A

1120

1124

876

880

90

10

2

1074

926

24

φ24

22

40

70

8

10

144

116

1160

1170

105

84

832

830

212

227

232

230

227

14

1120.32 1120.32

1120.32A

1240

1244

996

1000

90

10

4

1194

1046

28

φ24

22

40

70

10

12

129

108

1300

1308

95

79

940

936

237

272

275

263

262

15

1250.32 1250.32

1250.32A

1370

1374

1126

1130

90

10

4

1324

1176

32

φ24

22

40

70

10

12

142

119

1430

1440

108

90

1070

1068

264

302

309

294

290

16

1400.32 1400.32

1400.32A

1520

1524

1276

1280

90

10

4

1474

1326

36

φ24

22

40

70

12

14

131

113

1584

1596

102

87

1212

1204

285

337

347

333

336

17

1250.40 1250.40

1250.40A

1390

1394

1108

1110

102

12

4

1336

1164

32

φ26

24

45

80

10

12

144

120

1450

1452

106

88

1050

1044

351

396

392

388

388

18

1400.40 1400.40

1400.40A

1540

1544

1258

1260

102

12

4

1486

1314

36

φ26

24

45

80

12

14

133

114

1608

1610

100

86

1188

1190

393

448

443

444

434

19

1600.40 1600.40

1600.40A

1740

1744

1458

1460

102

12

4

1686

1514

40

φ26

24

45

80

12

14

150

129

1812

1820

117

100

1392

1386

455

528

534

509

511

20

1800.40 1800.40

1800.40A

1940

1944

1658

1660

102

12

4

1886

1714

44

φ26

24

45

80

14

16

143

126

2016

2032

114

99

1582

1568

507

583

607

576

591

21

1600.50 1600.50

1600.50A

1762

1766

1434

1438

124

12

4

1704

1496

40

φ30

27

50

100

12

14

151

130

1824

1834

115

98

1368

1358

647

714

727

714

723

22

1800.50 1800.50

1800.50A

1964

1966

1634

1638

124

12

4

1904

1696

44

φ30

27

50

100

14

16

145

127

2044

2048

113

98

1568

1552

730

845

843

794

818

23

2000.50 2000.50

2000.50A

2162

2166

1834

1842

124

12

6

2104

1896

48

φ30

27

50

100

16

18

139

124

2240

2250

111

98

1760

1746

812

912

927

891

913

24

2240.50 2240.50

2240.50A

2402

2406

2072

2078

124

12

6

2344

2136

54

φ30

27

50

100

16

18

154

138

2480

2502

125

111

1984

1980

909

1020

1078

1044

1041

25

2500.50 2500.50

2500.50A

2662

2666

2334

2342

124

12

6

2604

2396

60

φ30

27

50

100

18

20

152

137

2754

2760

126

113

2250

2240

1015

1171

1175

1132

1148

Single-ROW Four Point Contact Ball Slewing Ring (Series Q) External Gear Features and Benefits

The single row four point contact ball slewing bearing is composed of two seat rings, which is compact in structure and light in weight. The steel ball is in four point contact with the circular arc raceway, and can bear the axial force, radial force and tipping moment at the same time. Rotary conveyors, welding operators, small and medium-sized cranes, excavators and other engineering machinery can be selected.

Slewing ring bearings can also be divided into three different types

Double-ROW Slewing Ring Gear

Slewing ring bearings with no gear

Slewing ring bearings with external gear

Slewing ring bearings with internal gear

Single-ROW Four Point Contact Ball Slewing Ring PDF CATALOGUE

Single-ROW Four Point Contact Ball Slewing Ring (Series Q).pdf


Single-ROW Four Point Contact Ball Slewing Ring (Series Q) Application

It is especially suitable for heavy machinery requiring large diameters, such as bucket wheel excavators, wheel cranes, marine cranes, port cranes, steel turntables, large tonnage truck cranes and other machinery.

Slewing ring Application

Single-ROW Four Point Contact Ball Slewing Ring (Series Q) FAQ

1) Are you a trader or a manufacturer?

We are professional slewing bearing manufacturer with more than 20 years experience, and our factory is located in Jiangsu Province.

2) What are the terms of payment?

We usually accept T/T or L/C.Other terms are negotiable.

3) What is your minimum order quantity?

It depends on what you buy. Under normal circumstances, our minimum order quantity is 1 piece.

4) What's your delivery time?

Our lead time is only 3-7 days if stock is available. If it is our standard type, the delivery time is about 25 days, if it is not standard type, the delivery time is 45~50 days.

5) What about quality control?

We have a perfect quality management system to produce perfect products.Responsible for the careful testing of product quality and specifications, monitoring each production process until packaging is completed to ensure product safety into the container.

6) Can you provide special customization according to the working conditions?

Sure, we can design and produce the slewing bearings for different working conditions.

About Factory

Changzhou Aoxuan Heavy Bearing Co., Ltd. is located in Changzhou, Jiangsu Province. It is a high-tech enterprise specializing in research, development, design, manufacturing and sales of slewing bearings. The company covers an area of 32000 ㎡ and a building area of 25500 ㎡. The company has more than 120 sets of various machining equipment and more than 30 advanced testing equipment, The annual output of slewing bearing exceeds 30000 sets.

Changzhou Aoxuan Heavy Bearing Co., Ltd., has been successively recognized as a private science and technology enterprise in Changzhou City, a high-tech enterprise in Jiangsu Province, and a heavy load slewing bearing engineering technology research center in Changzhou City, with rich and sustainable research and development capabilities.

The company continued to strengthen the "industry university research" cooperation, and carried out professional research and cooperation in slewing bearing related fields with colleges and departments of Hehai University, Jiangsu University, Nanjing University of Technology, Luoyang Bearing Science and Technology Research Institute and other universities and industry research institutes.


Work Shop

AOXUAN Factory

Factory video



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