NTN Bearings

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NTN Corporation is a leading global manufacturer of high-quality ball bearings, tapered roller bearings, constant velocity joints, and other precision machinery components. The company was founded in Japan in 1918 and has since grown to become a trusted provider of innovative solutions to customers in a wide range of industries.

NTN's bearing products include a broad range of ball bearings, roller bearings, and mounted units for use in applications such as automotive, industrial machinery, and aerospace. These bearings are designed to meet the highest standards of precision, durability, and performance, making them ideal for use in demanding applications.

NTN is known for its advanced bearing technology, which includes proprietary materials, manufacturing processes, and design features. The company uses advanced computer modelling and simulation tools to optimize its bearing designs, ensuring that its products meet or exceed industry standards for performance and reliability.

In addition to its standard bearing products, NTN also offers a range of specialized bearing solutions designed to meet specific customer needs. These include high-precision bearings for machine tool applications, large-diameter bearings for wind turbines and other large-scale machinery, and bearings with advanced coatings and surface treatments to resist corrosion and wear.

NTN is committed to sustainability and social responsibility, and has implemented a number of initiatives to reduce its environmental impact and support local communities. These initiatives include the use of renewable energy sources, recycling and waste reduction programs, and support for education and healthcare in communities around the world.

Overall, NTN bearings are a trusted choice for customers in a wide range of industries, thanks to their high quality, advanced design, and commitment to sustainability and social responsibility. With a global network of manufacturing facilities and sales offices, NTN is able to serve customers around the world with exceptional products and customer service.

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Brand

Brand

NTN

1169

Koyo

1

Category

Category

NTN Tapered Roller Bearings

824

NTN Ball Bearings

345

NTN Needle Roller Bearings

1

Bearing Type

Bearing Type

Open End Shell Type Needle Bearing

1

Single Row Ball Bearings

345

Bearing Series

Bearing Series

6000 Series

116

6200 Series

123

6300 Series

106

Inside Diameter (mm)

Inside Diameter (mm)

10

29

12

27

15

32

17

30

20

35

22

1

25

38

28

1

30

31

35

32

40

29

45

33

50

35

55

31

60

32

65

9

70

8

75

9

80

9

85

8

90

7

95

7

100

7

105

6

110

8

120

7

130

6

140

5

150

5

160

5

170

3

180

3

190

4

200

4

220

3

240

1

260

2

280

1

300

2

Outside Diameter (mm)

Outside Diameter (mm)

26

10

28

11

30

11

32

20

35

29

37

7

40

12

42

21

47

35

52

25

55

10

58

1

62

30

68

8

72

23

75

10

80

33

85

12

90

32

95

9

100

24

110

25

115

2

120

15

125

6

130

18

140

9

145

2

150

7

160

6

170

7

180

8

190

5

200

6

210

1

215

5

225

4

230

2

240

4

250

2

260

5

270

2

280

5

290

3

300

2

310

3

320

3

340

5

360

3

400

3

420

2

460

1

480

1

Width (mm)

Width (mm)

8

20

9

21

10

19

11

19

11.75

1

12

39

13

18

13.25

1

14

27

14.25

1

15

29

15.25

2

16

25

16.25

2

17

19

17.25

2

18

24

18.25

3

19

17

19.25

2

19.75

1

20

11

20.75

3

21

16

21.25

1

21.75

1

22

9

22.25

1

22.75

3

23

11

23.75

1

24

2

24.25

1

24.75

4

25

10

25.25

3

26

2

26.25

1

26.75

1

27

9

27.25

3

28

1

28.25

1

28.75

1

29

10

29.25

2

29.75

1

30

2

30.5

1

31

11

31.5

2

32

5

32.75

2

33.25

2

33.5

2

34

1

34.5

1

35

1

35.25

2

36

4

37

4

38

4

38.25

1

38.5

1

39

4

40

2

41

5

42.25

1

42.5

3

43

1

43.5

1

43.75

1

44.5

2

45

4

45.5

2

45.75

1

46

1

46.5

2

47

1

48

2

48.5

1

49

2

49.5

2

51

3

51.5

1

52

1

53

1

53.5

1

54

1

54.5

1

56

2

56.5

1

57

3

58

1

59

1

59.5

1

60

1

61.5

2

63

1

63.5

1

63.75

1

64

3

67.5

1

67.75

2

68

1

70

1

71.5

1

71.75

1

72

2

75

1

76

3

77

1

77.5

1

81.5

1

84

1

84.5

1

87

2

90.5

1

91

2

97

1

98.75

1

100

1

104

1

107.75

1

114

2

121

1

137

1

Length (mm)

Length (mm)

16

1

Inside Diameter (inch)

Inside Diameter (inch)

0.5901

1

0.625

5

0.669

1

0.6875

1

0.75

8

0.7868

1

0.7875

1

0.812

1

0.8125

1

0.8437

1

0.8655

1

0.875

6

0.89

1

0.9375

3

0.9835

1

0.9842

1

0.9905

1

1

13

1.03

1

1.0625

4

1.0928

1

1.125

13

1.1417

1

1.1561

1

1.1805

2

1.1811

2

1.1855

1

1.1875

4

1.1894

3

1.19

2

1.25

20

1.3125

9

1.375

20

1.377

1

1.3774

3

1.378

3

1.4061

2

1.4365

2

1.4375

6

1.496

1

1.5

21

1.5625

6

1.5748

5

1.5938

1

1.6137

1

1.625

20

1.6562

1

1.6875

3

1.688

2

1.75

22

1.7709

2

1.7716

2

1.7809

1

1.7811

2

1.7959

4

1.8105

1

1.8125

8

1.875

9

1.9059

2

1.9375

5

1.9625

1

1.968

3

1.9685

6

2

29

2.0311

1

2.0625

3

2.125

13

2.1451

1

2.1653

4

2.1875

3

2.188

1

2.25

19

2.3611

1

2.3616

1

2.3622

4

2.375

9

2.4375

3

2.44

1

2.47

1

2.5

16

2.559

3

2.5625

1

2.625

14

2.6875

5

2.75

10

2.754

1

2.7559

4

2.8125

5

2.815

1

2.875

6

2.9061

2

2.9375

1

2.9527

3

3

17

3.0625

5

3.125

3

3.1496

1

3.1875

4

3.25

12

3.2812

3

3.3125

1

3.3465

2

3.3475

1

3.375

5

3.4629

1

3.5

7

3.5433

4

3.5625

1

3.625

3

3.6875

1

3.7401

1

3.75

11

3.8125

2

3.875

2

3.9359

1

3.937

1

3.9375

1

4

8

4.125

1

4.25

4

4.3125

1

4.3301

1

4.3303

1

4.3307

2

4.375

1

4.5

4

4.5309

1

4.625

1

4.7244

1

4.75

1

4.875

1

5

7

5.0625

1

5.125

2

5.25

6

5.375

2

5.5

3

5.625

2

5.75

2

6

2

6.25

2

6.5

1

6.6929

1

7

2

7.0866

1

7.4803

1

7.75

1

Outside Diameter (inch)

Outside Diameter (inch)

1.3775

2

1.57

1

1.5745

1

1.625

1

1.6875

2

1.7809

1

1.781

1

1.81

1

1.85

5

1.938

6

1.9687

10

1.98

5

2.047

1

2.0625

1

2.125

2

2.24

4

2.25

4

2.3125

1

2.3279

1

2.328

1

2.3465

1

2.3611

1

2.3625

1

2.375

2

2.4375

1

2.4398

2

2.4409

15

2.4803

1

2.5

1

2.531

1

2.5311

2

2.5625

5

2.615

6

2.6761

1

2.6875

5

2.717

10

2.75

4

2.755

1

2.8125

1

2.8346

2

2.8438

2

2.844

1

2.8592

6

2.875

14

2.8909

3

2.9059

1

2.9518

1

3

21

3.0311

1

3.0325

1

3.0625

1

3.125

12

3.128

1

3.1469

1

3.1496

5

3.1509

2

3.1561

2

3.2283

1

3.25

7

3.265

8

3.27

1

3.307

1

3.3125

1

3.3464

1

3.3465

5

3.375

4

3.4375

5

3.4842

4

3.4882

1

3.5

12

3.5433

3

3.548

1

3.5625

2

3.625

4

3.6718

8

3.6875

2

3.7188

1

3.7401

2

3.75

18

3.8125

10

3.843

1

3.8437

2

3.875

1

3.937

1

4

6

4.0625

1

4.0635

1

4.125

16

4.1338

2

4.25

8

4.3125

1

4.3307

11

4.3309

1

4.375

3

4.3751

1

4.4375

15

4.5

3

4.5275

2

4.625

7

4.7244

9

4.75

4

4.7811

5

4.8125

8

4.875

13

4.9375

4

5

13

5.1181

4

5.125

5

5.25

6

5.3438

1

5.3446

2

5.375

15

5.5114

7

5.5129

3

5.5959

1

5.625

1

5.7086

2

5.75

8

5.7864

1

5.8125

1

5.8437

5

5.875

3

5.9055

2

5.909

6

6

6

6.1023

2

6.1874

2

6.1875

2

6.25

2

6.2987

2

6.375

8

6.496

1

6.5

1

6.625

7

6.6929

1

6.9688

1

7

2

7.0866

1

7.125

5

7.1875

2

7.4375

1

7.4803

1

7.5

9

7.5625

1

7.625

1

7.75

4

7.825

2

8.0938

1

8.125

2

8.375

5

8.4375

1

8.5

3

8.75

1

8.875

2

8.9375

1

9

4

9.0551

2

9.24

1

9.25

1

9.5

1

9.75

1

9.8425

1

10

3

10.2362

1

Width (inch)

Width (inch)

0.4329

2

0.4729

1

0.5

1

0.5312

8

0.545

1

0.56

4

0.5625

2

0.5661

4

0.588

1

0.5909

1

0.5938

1

0.61

2

0.6102

1

0.625

4

0.63

2

0.641

1

0.655

1

0.6561

1

0.6562

1

0.6575

1

0.6692

1

0.6875

6

0.6889

1

0.69

2

0.6929

1

0.7086

2

0.709

2

0.71

4

0.715

1

0.74

2

0.748

1

0.75

19

0.7625

5

0.765

1

0.77

2

0.7811

3

0.7812

14

0.7874

1

0.8125

15

0.8267

13

0.827

1

0.835

1

0.8437

1

0.8438

3

0.8464

1

0.85

2

0.8661

7

0.8662

1

0.875

16

0.9055

2

0.9062

2

0.9375

39

0.94

1

0.9448

3

0.9688

13

0.9842

2

1

29

1.0236

1

1.0312

2

1.045

1

1.0625

2

1.0938

7

1.0942

1

1.1023

2

1.125

7

1.1417

2

1.1562

23

1.1565

1

1.1729

5

1.1811

1

1.1875

69

1.2188

4

1.2204

1

1.25

3

1.2812

2

1.3125

9

1.3425

1

1.375

7

1.3779

4

1.4061

1

1.4173

1

1.4375

41

1.4566

1

1.5

10

1.5354

4

1.5625

13

1.5748

1

1.625

30

1.6875

1

1.7188

4

1.7322

1

1.75

11

1.811

1

1.8125

8

1.8437

1

1.8503

2

1.875

14

2

3

2.0078

1

2.125

13

2.1875

1

2.25

8

2.5

3

2.625

8

3.0625

1

Seal Structure

Seal Structure

Open (No Shields or Seals)

117

ZZ (Metal Shields)

111

2RS (Contact Seals)

93

2RU (Low-Friction Seals)

24

Clearance

Clearance

C3

128

C4

88

CN (Normal)

129

Material

Material

High Carbon Steel

345

Cage Type

Cage Type

Steel

345

NTN Tapered Roller Bearings

NTN Tapered Roller Bearings

NTN Tapered Roller Bearings

NTN Tapered Roller Bearings

NTN Ball Bearings

NTN Ball Bearings

NTN Ball Bearings

NTN Ball Bearings

NTN Angular Contact Bearings

NTN Angular Contact Bearings

NTN Angular Contact Bearings

NTN Angular Contact Bearings

NTN Needle Roller Bearings

NTN Needle Roller Bearings

NTN Needle Roller Bearings

NTN Needle Roller Bearings

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