Bearing No.

Shaft Dia.

Dimensions(mm)/(in.)

Eccentric collar

Basic load ratings (N)

Mass
(kg)

d

D

B

C

S

B1

B3

h

d1

Dynamic Cr

Static Cor

(in.)

(mm)

 NA305-14

7/8

 

62

34.9

21

16.7

46.8

15.9

6.2

42.8

A305-14

22360

11500

0.46

 NA305-15

15/16

 

62

34.9

21

16.7

46.8

15.9

6.2

42.8

A305-15

22360

11500

0.44

 NA305

 

25

62

34.9

21

16.7

46.8

15.9

6.2

42.8

A305

22360

11500

0.43

 NA305-16

1

 

62

34.9

21

16.7

46.8

15.9

6.2

42.8

A305-16

22360

11500

0.43

 NA306-18

1-1/8

 

72

36.5

24

17.5

50

17.5

6.5

50

A306-18

27000

15200

0.71

 NA306

 

30

72

36.5

24

17.5

50

17.5

6.5

50

A306

27000

15200

0.68

 NA306-19

1-3/16

 

72

36.5

24

17.5

50

17.5

6.5

50

A306-19

27000

15200

0.68

 NA307-20

1-1/4

 

80

38.1

25

18.3

51.6

17.5

7.2

55

A307-20

33500

19200

0.86

 NA307-21

1-5/16

 

80

38.1

25

18.3

51.6

17.5

7.2

55

A307-21

33500

19200

0.83

 NA307-22

1-3/8

 

80

38.1

25

18.3

51.6

17.5

7.2

55

A307-22

33500

19200

0.80

 NA307

 

35

80

38.1

25

18.3

51.6

17.5

7.2

55

A307

33500

19200

0.80

 NA307-23

1-7/16

 

80

38.1

25

18.3

51.6

17.5

7.2

55

A307-23

33500

19200

0.78

 NA308-24

1-1/2

 

90

41.3

28

19.8

57.1

20.6

8.5

63.5

A308-24

40560

24000

1.13

 NA308-25

1-9/16

 

90

41.3

28

19.8

57.1

20.6

8.5

63.5

A308-25

40560

24000

1.13

 NA308

 

40

90

41.3

28

19.8

57.1

20.6

8.5

63.5

A308

40560

24000

1.08

 NA309-26

1-5/8

 

100

42.9

30

19.8

58.7

20.6

9

70

A309-26

53000

31800

1.57

 NA309-27

1-11/16

 

100

42.9

30

19.8

58.7

20.6

9

70

A309-27

53000

31800

1.52

 NA309-28

1-3/4

 

100

42.9

30

19.8

58.7

20.6

9

70

A309-28

53000

31800

1.47

 NA309

 

45

100

42.9

30

19.8

58.7

20.6

9

70

A309

53000

31800

1.45

 NA310-30

1-7/8

 

110

49.2

32

24.6

66.6

22.2

9.9

76.2

A310-30

61750

37800

1.93

 NA310-31

1-15/16

 

110

49.2

32

24.6

66.6

22.2

9.9

76.2

A310-31

61750

37800

1.88

 NA310

 

50

110

49.2

32

24.6

66.6

22.2

9.9

76.2

A310

61750

37800

1.86

 NA311-32

2

 

120

55.6

34

27.8

73

22.2

10.6

83

A311-32

71500

44800

2.49

 NA311-34

2-1/8

 

120

55.6

34

27.8

73

22.2

10.6

83

A311-34

71500

44800

2.36

 NA311

 

55

120

55.6

34

27.8

73

22.2

10.6

83

A311

71500

44800

2.30

 NA311-35

2-3/16

 

120

55.6

34

27.8

73

22.2

10.6

83

A311-35

71500

44800

2.24

 NA312-36

2-1/4

 

130

61.9

36

30.95

79.4

23.9

11.3

89

A312-36

81600

51800

2.95

 NA312

 

60

130

61.9

36

30.95

79.4

23.9

11.3

89

A312

81600

51800

2.89

 NA312-38

2-3/8

 

130

61.9

36

30.95

79.4

23.9

11.3

89

A312-38

81600

51800

2.89

 NA312-39

2-7/16

 

130

61.9

36

30.95

79.4

23.9

11.3

89

A312-39

81600

51800

2.86

 NA313-40

2-1/2

 

140

65.1

38

32.5

85.7

27

12.1

97

A313-40

93860

60500

3.85

 NA313

 

65

140

65.1

38

32.5

85.7

27

12.1

97

A313

93860

60500

3.66

 NA314-44

2-3/4

 

150

68.3

40

34.15

92.1

30.2

12.8

102

A314-44

104260

68000

4.40

 NA314

 

70

150

68.3

40

34.15

92.1

30.2

12.8

102

A314

104260

68000

4.50

 NA315

 

75

160

74.6

42

37.3

100

31.8

13.5

113

A315

113360

76800

5.34

 NA315-48

3

 

160

74.6

42

37.3

100

31.8

13.5

113

A315-48

113360

76800

5.34

 NA316

 

80

170

81

44

40.5

106.4

31.8

14.5

119

A316

122850

86500

6.70

 NA317-52

3-1/4

 

180

84.1

46

42

109.5

31.8

15.5

127

A317-52

132600

96500

8.03

 NA317

 

85

180

84.1

46

42

109.5

31.8

15.5

127

A317

132600

96500

7.96

 NA318-56

3-1/2

 

190

87.3

48

43.6

115.9

36.5

16.5

133

A318-56

143000

108000

9.10

 NA318

 

90

190

87.3

48

43.6

115.9

36.5

16.5

133

A318

143000

108000

9.10

 NA319

 

95

200

93.7

50

46.8

122.3

36.5

16.7

140

A319

156000

122000

10.4

 NA319-60

3-3/4

 

200

93.7

50

46.8

122.3

36.5

16.7

140

A319-60

156000

122000

10.4

 NA320

 

100

215

100

54

50

128.6

36.5

19

146

A320

171600

140000

13.0

 NA320-64

4

 

215

100

54

50

128.6

36.5

19

146

A320-64

171600

140000

13.0

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