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Home >  Products > Tapered Roller Bearings > Single-row tapered roller bearings
Single-row tapered roller bearings
Tapered Roller Bearings
Single-row tapered roller bearings
Inner Diameter: 150-950mm
Outer Diameter: 270-1250mm
Weight: 18.2-428kg
Matched: face to face, back to back, in tandem
Size: inch and metric
Application: automotives, machine tool spindle, reducer, wheels
Details DrawingSpecifications Comments

Single row tapered roller bearings primarily carry combined loads which is main in radial, and tapered roller bearings with large tapered angle (27°-30°) primarily carry combined loads which is main in axial but nor pure axial loads. These bearings can limit axial displacement of shafts or housings in one direction. The inner and outer rings can be mounted respectively as separable structure, the other rings are interchangeable, and they are easy to mounted and dismounted. The radial and axial clearance can be adjusted during mounting or working, and also can be interference mounted to crease stiffness. The clearance has great influence on bearing performance. 

Tapered roller bearings are widely used in rear axle hubs of automotives, large machine tool spindles, large power reducer, roller wheels of feedways.

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Boundary dimensions

Basic load ratings

          Designations

Mass

Limiting speeds

mm

kN

Current

Original

kg

r/min

d

D

T

B

C

rmin

r1min

Cr

Cor

Grease

Oil

150

270

77

73

60

4

3

718

1200

32230

7530E

18.2

1200

1700

 

320

114

108

90

5

4

1110

1580

32330

7630

37.1

950

1400

160

240

51

51

38

3

2.5

420

735

32032

2007132E

7.7

1200

1700

 

340

75

68

58

5

4

765

960

30332

7332E

28.4

1000

1500

 

340

121

114

95

5

4

1210

1770

32332

7632

48.3

950

1400

170

230

32

30

23

3

3

200

400

70DB170

3

1200

1700

 

310

91

86

71

5

4

835

1320

32234

7534E

27.6

1000

1500

 

360

80

72

62

5

4

950

1400

30334

7334E

35

950

1400

 

360

127

120

100

5

4

975

1764

32334

7634

58.3

1000

1300

180

280

64

60

52

3

2.5

540

890

32036X2

2007136

13

1100

1600

 

280

64

64

48

3

2.5

569

950

32036

2007136E

14

1100

1600

 

320

57

52

43

5

4

610

912

30236

7236E

17.8

1000

1500

 

320

91

86

71

5

4

998

1727

32236

7536E

29.8

950

1400

190

260

45

42

36

2.5

2

292

580

32938X2

2007938

6.52

1000

1400

 

290

51

46

40

3

2.5

435

365

7138

10.5

1000

1500

 

290

64

60

52

3

2.5

502

932

32038X2

2007138

14.2

950

1300

 

290

64

64

48

3

2.5

520

950

32038

2007138E

15.6

950

1300

 

340

97

92

75

5

4

1117

1919

32238

7538E

36.1

900

1300

200

280

51

48

41

3

2.5

345

710

32940X2

2007940

8.86

950

1300

 

280

51

51

39

3

2.5

460

950

32940

2007940E

9.5

950

1300

 

310

70

66

56

3

2.5

575

1120

32040X2

2007140

17.9

900

1200

 

310

70

70

53

3

2.5

650

1300

32040

2007140E

18.9

900

1200

 

360

64

58

48

5

4

765

1140

30240

7240E

25.4

900

1300

 

360

104

98

82

5

4

1090

1750

32240

7540E

43.2

900

1300

205

485

117.5

100

75

4

4

1400

2020

30641

7841E

95

850

1200

210

420

90

81

67

6

5

1280

1910

7342X2

56

850

1200

220

300

51

48

41

3

2.5

425

855

32944X2

2007944

10.2

900

1200

 

340

76

72

62

4

3

702

1330

32044X2

2007144

22.2

800

1000

 

340

76

76

57

4

3

750

1350

32044

2007144E

24.4

800

1000

 

400

72

65

54

4

3

810

1150

30244

7244E

35.4

850

1200

 

400

114

108

90

4

3

1320

2210

32244

7544E

48.1

800

1100

240

320

51

48

41

3

2.5

390

860

32948X2

2007948

10.8

800

1000

 

360

76

72

62

4

3

710

1420

32048X2

2007148

23.8

700

900

 

360

76

76

57

4

3

850

1560

32048

2007148E

20.4

700

900

 

440

127

120

100

4

4

1630

2730

32248

7548

81.3

750

1000

260

360

63.5

60

52

3

2.5

525

1150

32952X2

2007952

19.2

700

900

 

360

63.5

63.5

48

3

2.5

550

1300

32952

2007952E

20

700

900

 

400

87

82

71

5

4

902

1810

32052X2

2007152

36.9

670

850

 

400

87

87

65

5

4

1010

1850

32052

2007152E

37

670

850

 

540

114

102

85

6

6

2014

2898

30352X2

7352

111

670

900

270

420

87

87

65

5

4

1150

2060

32054

2007154

45

600

750

280

350

36

33

26

2

2

279

469

30656

1007856

6.33

870

1100

 

380

63.5

63.5

48

3

2.5

635

1300

32956

2007956E

19.8

800

1100

 

420

87

82

71

5

4

622

1940

32056X2

2007156

39.6

600

750

 

420

87

87

65

5

4

1170

2230

32056

2007156E

40.4

600

750

300

420

76

76

57

4

3

998

2128

32960

2007960E

28.7

700

950

 

440

73

70

55

4

3

959

2062

30660

7860

30.7

570

600

 

460

100

95

82

5

4

1050

2190

32060X2

2007160

55.9

560

700

 

500

95

90

70

4

4

1225

2207

31160X2

1007760

67.7

530

670

320

440

76

72

62

4

3

1040

2320

32964X2

2007964

44.7

560

700

 

440

76

76

57

4

3

962

2040

32964

2007964E

33

560

700

 

480

100

95

82

5

4

1050

2190

32064X2

2007164

59

530

670

 

480

100

100

74

5

4

1649

3192

32064

2007164E

60

530

670

 

580

110

105

80

6

6

2100

3100

-

7264

114

480

600

340

460

76

72

62

4

3

611

1428

32968X2

2007968

34.3

530

670

 

520

86

82

64

4

4

807

1540

32068X2

7168

57

500

630

 

520

112

106

92

6

6

1660

3370

32068

-

86.5

500

630

 

580

106

102

87

6

5

1840

2970

-

7768

109

480

600

360

480

76

72

62

4

3

634

1526

32972X2

2007972

35.9

500

630

 

540

86

82

64

4

4

919

1848

31072X2

7172

60.5

480

600

 

650

170

155

140

5

6

3580

6000

32272X2

-

175

380

480

380

520

66.5

65

46.5

3

3

529

1138

31976X2

1007976

37.5

480

600

 

520

87

82

71

5

4

800

1600

32976X2

2007976

42.7

480

600

 

620

112

106

76

4

4

909

1708

31176X2

1007776

114

400

500

400

500

60

57

47

4

3

665

775

-

7880

45.7

450

530

 

540

70

65

51

3

3

1000

2070

31980X2

1007980

43.2

450

530

 

540

87

82

71

5

4

1130

2760

32980X2

2007980

57

450

530

 

600

95

90

67

4

4

1040

2128

31080X2

7180

84

400

500

420

560

70

65

51

3

3

630

1383

31984X2

1007984

42.4

400

500

 

560

87

82

72

5

4

1250

2870

32984X2

2007984

46

400

500

 

560

87

87

67

5

4

1250

2870

R420-5

-

47

400

500

 

620

95

90

70

4

4

1132

2422

31084X2

7184

88

380

480

 

700

130

122

92

6

6

1620

2800

31184X2

1007784

183

310

420

440

650

96.4

94

67

6

4

1193

2422

31088X2

7188

99

360

450

460

620

80

74

58

3

3

836

1834

31992X2

1007992

59.8

380

480

 

680

105

100

78

6

6

1680

3550

31092X2

7192

118

330

450

480

650

84.2

78

60

4

4

854

1918

31996X2

1007996

71

340

430

500

720

110

100

82

6

6

1459

3192

310/500X2

71/500

135

280

360

530

710

88

82

62

4

4

1001

2380

319/530X2

10079/530

94.8

280

360

560

750

92.5

85

64

4

4

1001

2576

319/560X2

10079/560

104

240

320

 

820

121

115

84

6

6

1887

4046

310/560X2

71/560

191

220

300

600

870

124

118

89

6

6

2020

4438

310/600X2

71/600

235

180

240

630

920

135

128

94

7.5

7.5

2315

5222

310/630X2

71/630

278

170

220

710

950

114

106

80

6

6

1765

4494

319/710X2

10079/710

210

150

190

760

890

78

75

56

6

6

1510

1960

-

78/760

78.3

280

380

800

1060

122

115

89

6

6

2132

5530

319/800X2

10079/800

275

130

170

900

1180

124

122

87

6

6

2173

5782

319/900X2

10079/900

330

95

130

 

1280

190

170

135

7.5

7.5

5615

13913

320/900X2

71/900

703

95

130

950

1250

140

132

100

7.5

7.5

3930

10427

319/950X2

10079/950

428

80

100