bearing-Needle Roller Bearings-Bearing manufactures

Basico Bearing - Vibration And Noise

VIBRATION AND NOISE

The vibration and noise of bearings are classified as four classed as Z1,Z2,Z3 and Z4.It is measured by the instrument of S0910-1,For special requirement,it is measured by BVT-1 and classified as V1, V2, V3 and V4.The data are shown as below. Customer need mark their requirement of vibration and noise class on the order.

Tolerance data for vibration of single bearingTolerance in um/s


dmm

V

V1

V2

V3

V4

Low
Brand

Medium
Brand

High
Brand

Low
Brand

Medium
Brand

High
Brand

Low
Brand

Medium
Brand

High
Brand

Low
Brand

Medium
Brand

High
Brand

Low
Brand

Medium
Brand

High
Brand

3,4

80

44

44

60

35

32

48

26

22

31

16

15

28

10

10

5,6

110

72

60

74

48

40

58

36

30

35

21

18

32

11

11

7,8,9

130

96

80

92

66

54

72

48

40

44

28

24

38

12

12

10,12

160

120

100

120

80

70

90

60

50

55

35

30

45

14

15

15

210

150

120

150

100

85

110

78

60

65

46

35

52

18

18

17

210

150

120

150

100

85

110

78

60

65

46

35

52

25

25

20

260

190

150

180

125

100

130

100

75

80

60

45

60

25

25

22,25

260

190

150

180

125

100

130

100

75

80

60

45

60

30

32

28

260

190

150

180

125

100

130

100

75

80

60

45

60

35

40

30,32

300

240

190

200

150

130

150

120

100

90

75

60

70

35

40

35

300

240

190

200

150

130

150

120

100

90

75

60

70

42

45

40

360

300

260

240

180

160

180

150

130

110

90

80

82

50

50

45

360

300

260

240

180

160

180

150

130

110

90

80

82

60

60

50

420

320

320

280

200

200

210

160

160

125

100

100

95

70

70


Maximum vibration acceleration of single bearingTolerance in dB 

d
mm

Diameter Series(0)

Diameter Series(2)

Diameter Series(3)

Z

Z1

Z2

Z3

Z

Z1

Z2

Z3

Z4

Z

Z1

Z2

Z3

Z4

3

35

34

32

28

36

35

32

30

_

37

36

33

31

_

4

35

34

32

28

36

35

32

30

_

37

36

33

31

_

5

37

36

34

30

38

37

34

32

_

39

37

35

33

_

6

37

36

34

30

38

37

34

32

_

39

37

35

33

_

7

39

38

35

31

40

38

36

34

_

_

_

_

_

_

8

39

38

35

31

40

38

36

34

_

_

_

_

_

_

9

41

40

36

32

42

40

37

35

_

_

_

_

_

_

10

43

42

38

33

44

42

39

35

30

37

44

40

37

32

12

44

43

39

34

45

43

39

35

30

47

45

40

37

32

15

45

44

40

35

46

44

41

36

31

48

46

42

38

33

17

46

44

40

35

47

45

41

36

31

49

47

42

38

33

20

47

45

41

36

48

46

42

38

33

50

48

43

39

34

22

47

45

41

36

48

46

42

38

33

50

48

43

39

34

25

48

46

42

38

49

47

43

40

36

51

49

44

41

37

28

49

47

43

39

50

48

44

41

37

52

50

45

42

38

30

49

47

43

39

50

48

44

41

37

52

50

45

42

38

32

50

48

44

40

51

49

45

42

38

53

51

46

43

39

35

51

49

45

41

52

50

46

43

39

54

52

47

44

40

40

53

51

46

42

54

52

47

44

40

56

54

49

45

41

45

55

53

48

45

56

54

49

46

43

58

56

51

47

44

50

57

54

50

47

58

55

51

48

45

60

57

53

49

46

55

59

56

52

49

60

57

53

50

47

62

59

54

51

48

60

61

58

54

51

62

59

54

51

48

64

61

56

53

50