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軸 承

型 號(hào)

Bearing number

外 形 尺 寸

Dimensions 　　　　　　　　　　　　　 mm/inch

額定載荷

Load ratings  kN

重量

Weight

≈kg

d

B

d_K

C₁

max

d₂

G

UNF-2B

h₁

l₃

min

l₄

l₅

W

d₃

d₄

r_s

min

α?

≈

動(dòng)載荷

Dynamic

靜載荷

Static

SIZJ4

4.83

7.92

11.1

5.94

15.88

10-32

26.97

12.70

34.93

4.75

7.92

7.54

10.31

0.3

10

3.6

6.8

0.018

0.19

0.312

0.437

0.234

0.625

1.062

0.5

1.375

0.187

0.312

0.297

0.406

0.012

SIZJ6

6.35

9.53

12.7

6.35

19.05

1/4-28

33.32

15.88

42.85

4.75

9.53

9.15

11.91

0.3

13.5

5.4

9.6

0.023

0.25

0.375

0.5

0.25

0.75

1.312

0.625

1.687

0.187

0.375

0.36

0.469

0.012

SIZJ7

7.94

11.10

15.88

7.92

22.23

5/16-24

34.93

15.88

46.02

4.75

11.1

10.72

12.70

0.3

11

8.5

12

0.036

0.3125

0.437

0.625

0.312

0.875

1.375

0.625

1.812

0.187

0.437

0.422

0.5

0.012

SIZJ9

9.53

12.70

18.26

9.12

25.40

3/8-24

41.28

19.05

53.98

6.35

14.27

13.89

17.45

0.6

11

11

16

0.059

0.375

0.5

0.719

0.359

1

1.625

0.75

2.125

0.25

0.562

0.547

0.687

0.024

SIZJ11

11.11

14.27

20.62

10.31

28.58

7/16-20

46.02

22.23

60.33

6.35

15.88

15.49

19.05

0.6

10.5

14

21

0.082

0.4375

0.562

0.812

0.406

1.125

1.812

0.875

2.375

0.25

0.625

0.61

0.75

0.024

SIZJ12

12.7

15.88

23.81

11.50

33.32

1/2-20

53.98

25.40

70.64

6.35

19.05

18.67

22.23

0.6

10

18

28

0.132

0.5

0.625

0.937

0.453

1.312

2.125

1

2.781

0.25

0.75

0.735

0.875

0.024

SIZJ15

15.88

19.05

28.58

12.29

38.10

5/8-18

63.50

31.75

82.55

7.92

22.23

21.84

25.40

0.6

13

23

29

0.195

0.625

0.75

1.125

0.484

1.5

2.5

1.25

3.25

0.312

0.875

0.86

1

0.024

SIZJ19

19.05

22.23

33.32

15.06

44.45

3/4-16

73.03

34.93

95.25

7.92

25.4

25.02

28.58

0.6

12

34

44

0.295

0.75

0.875

1.312

0.593

1.75

2.875

1.375

3.75

0.312

1

0.985

1.125

0.024