轴径shaft diameter

轴承型号bearing designation

近似重量mass approx

外形尺寸boudary dimensions

基本额定负荷basic load rating

极限转速limiting speed

动co

静cor

作为支承滚轮

d

d

b

c

d１

as yoke type track rollers

mm

动co

静cor

油润滑oil

g

mm

n

rpm

15

nutr15

99

15

35

19

18

20

20500

24500

13900

15300

6500

17

nutr17

147

17

40

21

20

22

21800

28500

16500

20500

5500

15

nutr15 42

158

15

42

19

18

20

20500

24500

16800

21800

6500

17

nutr17 47

220

17

47

21

20

20

21800

28500

19000

25000

5500

20

nutr20

245

20

47

25

24

27

36900

48900

26000

33500

4200

20

nutr20 52

321

20

52

25

24

27

36900

48900

29800

39800

4200

25

nutr25

281

25

52

25

24

31

40800

58500

27500

35000

3400

25

nutr25 62

450

25

62

25

24

31

40800

58500

32500

47800

3400

30

nutr30

465

30

62

29

28

38

56800

77500

39500

49500

2600

30

nutr30 72

697

30

72

29

28

38

56800

77500

46000

62800

2600

35

nutr35

630

35

72

29

28

44

63000

91000

42500

59000

2100

35

nutr35 80

836

35

80

29

28

44

63000

91000

49500

70500

2100

40

nutr40

816

40

80

32

30

51

87900

108000

54000

73600

1600

45

nutr45

883

45

85

32

30

55

93600

119000

54000

77500

1400

40

nutr40 90

1129

40

90

32

30

51

87900

108000

63800

93600

1600

50

nutr50

950

50

90

32

30

60

98900

140000

55900

79000

1300

45

nutr45 100

1396

45

100

32

30

55

93600

119000

70500

106000

1400

50

nutr50 110

1690

50

110

32

30

60

98900

140000

73600

118000

1300