B2B Services

Four Point Contact Ball Slewing Bearing

Four Point Contact Ball Slewing Bearing

Due to Four point contact swinging ball bearings has 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 slewing ring size usually is large with diameter 250~1800mm meters Therefore, bearing for swing set often 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:

1. Small size with compact structure;

2. Light in weight;

3. Can load axial, radial, meanwhile also tilting moment.

Four Point Contact Ball Slewing Bearing Specifications

No.

Type

Configuration Size

Mounting Size

Structural Size

Gear Data

Weight(KG)

QU.QW.QN

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

315.20

406

222

408

224

60

370

260

10

17

M16

24

2

50

10

40

3

423

140

207

70

35

34

315.20A

4

428

106

200

51

36

35

2

355.20

446

262

448

264

60

410

300

10

17

M16

24

2

50

10

40

3

462

153

246

84

40

39

355.20A

4

468

116

240

61

41

40

3

400.20

490

307

493

310

60

455

345

12

17

M16

24

2

50

10

40

4

512

127

288

73

45

44

400.20A

5

520

103

280

57

47

46

4

450.20

540

357

543

360

60

505

395

12

17

M16

24

2

50

10

40

4

564

140

336

85

51

50

450.20A

5

570

113

330

67

43

52

5

500.20

590

407

593

410

60

555

445

14

17

M16

24

2

50

10

40

5

615

122

385

78

56

55

500.20A

6

624

103

378

64

58

57

6

560.20

654

464

656

468

70

618

502

14

17

M16

30

2

60

10

50

4

680

169

440

111

78

76

560.20A

5

685

136

435

88

79

77

7

630.20

724

534

726

538

70

688

572

16

17

M16

30

2

60

10

50

4

748

186

512

129

86

84

630.20A

5

755

150

505

102

88

86

8

710.20

804

614

806

618

70

768

652

18

17

M16

30

2

60

10

50

5

835

166

585

118

99

97

710.20A

6

840

139

582

98

101

97

9

800.20

894

704

896

708

70

858

742

20

17

M16

30

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Location : Ningguo Economic Develope Zone,Anhui,China 242300, 242300 anhui,
Contact : .com SWBTEC, 5634113031

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