718 series bearings/Precision Angular Contact Bearings


Seals: YES
Series:718 series, 719 series 
inner: 100mm-850mm
outer: 128mm-1030mm
Weight:0.31kg-140kg


Precision Angular Contact Bearings

Series:718 series

Inner rings: 100mm-850mmouter rings 128mm-100mm

Contact angle: 15 ° (code C), 25 ° (code AC), and 40 ° (code B)


The Precision Angular Contact Ball Bearing can simultaneously support the radial and axial loads with a high rotational speed. The greater contact angle leads to higher axial loading capacity and lows the speed limitation. The bearings will carefully adjust to achieve the required operating clearance or preload during the installation. This type of bearings also can be installed in a group to increase their loading capacity.  Please get in touch with us for further technical supports.

Precision spherical angular contact ball bearings have two series, 718 series and 719 series. Their outer diameter and width increase in sequence for bearings with the same inner diameter. They often need to be assembled and installed with other bearings with axial loads in the opposite direction. Therefore. Angular contact ball bearings are combined with a double triple-combination, quadruple, or even quintuple combination.

The spindle bearing produced by our company is a single row angular contact ball bearing with high-precision, mainly used in lathe spindles, robot arm, measuring instrument, etc. This kind of bearing, designed especially for high technology, has the following characteristics: 1. High Precision 2. High-speed Performance 3. High Rigidity 4. Low Vibration 5. Low-Temperature.


Dimensions

Basic Load Rating

Designation

Weight

    Installation Size

Limiting Speed

mm

kN

kg

mm

r/min

d

D

B

Tmin

hmin

Cr

Cor

da

Da

Ta

ra1

Grease

Oil

100

128

13

1

0.3

21.2

27.5

71820

0.2

104.6

120.4

1

1

8500

13000

110

140

16

1

0.3

31.9

40.5

71822

0.51

114.6

135.4

1

1

8000

13000

120

150

16

1

0.3

33.2

45

71824

0.55

124.8

145.4

1

1

7500

12000

130

165

18

1.1

0.6

39

53

71826

0.7

136

159

 

1

7000

11000

140

175

18

1.1

0.6

44.9

62

71828

0.8

146

169

1

1

6300

10000

150

190

20

1.1

0.6

53.5

74.5

71830

1.32

156

184

1

1

6300

9500

160

200

20

1.1

0.6

54

78

71832

1.25

166

194

1

1

5600

8500

170

215

22

1.1

0.6

80

110

71834

2

175

210

1

1

5600

8500

 

Dimensions

Basic Load Rating

Designation

Weight

Installation Size

Limiting Speed

mm

kN

kg

mm

r/min

d

D

B

Tmin

hmln

Cr

Cor

da

Da

Ta

ral

Grease

Oil

200

250

24

1.5

1

90

130

71840

2.5

208.5

241.5

1.5

1

4300

6000

220

270

24

1.5

1

151

263

71844

2.5

228.5

261.5

1.5

1

3800

5600

240

300

28

2

1

128

175

71848

4.1

250

290

2

1

3200

4800

260

320

28

2

1

127

190

71852

4.85

270

310

2

1

1400

1900

280

350

33

2

1

140

216

71856

7.2

290

340

2

1

1200

1700

320

400

38

2.1

1.1

190

290

71864

10

332

388

2

1

800

1000

340

440

38

2.1

1.1

219

345

71872

11.1

372

428

2

1

  

360

480

46

2.1

1.1

261.9

450

71876

18

392

468

2

1

1700

2400

380

500

46

2.1

1.1

292

501

71880

19.5

412

488

2

1

  

 


Dimensions

Basic Load Rating

Designation

Weight

Installation Size

Limiting Speed

mm

kN

kg

mm

r/min

d

D

B

Tmin

hmin

Cr

Cor

da

Da

Ta

Ta1

Grease

Oil

420

520

46

2.1

1.1

294

513

71884

20.4

432

508

2

1

750

1000

440

540

46

2.1

1.1

301

540

71888

21.1

452

528

2

1

750

1000

460

580

56

3

3

334

689

71892

34.5

474

566

2.5

1

850

1000

480

600

56

3

1.1

415

820

71896

35.5

494

686

2.5

1

850

1200

500

620

56

3

1.1

351

765

718/500

38

514

606

2.5

1

670

900

530

650

56

3

1.1

369

837

718/530

39.5

544

636

2.5

1

1100

1600

560

680

56

3

1.1

341

837

718/560

41.5

574

666

2.5

1

600

800

600

730

60

3

1.1

421

1044

718/600

47

614

766

2.5

1

560

750

630

780

69

4

1.5

518

1160

718/630

69.7

648

715

3.1

1.5

  

670

820

69

4

1.5

498

1161

718/670

77

688

802

3

1.5

850

1200

710

870

74

4

1.5

546

1467

718/710

93.5

725

855

3

1

800

1100

750

920

78

5

2

585

1620

718/750

110

768

902

4

2

400

530

850

1030

82

5

2

620

1674

718/850

140

868

1012

4

2

340

450


Note:

 1. The catalog's rate and speed change with the contact angle change; please consult our technical department.

 2. Our company can also produce diameter series seven bearings (thin-section), please consult our technical department.

General
Short Description

Seals: YES
Series:718 series, 719 series 
inner: 100mm-850mm
outer: 128mm-1030mm
Weight:0.31kg-140kg

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