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Si₃N₄ Angular Contact Bearing

Si₃N₄ Angular Contact Bearing

Si₃N₄ Angular Contact Bearing


Silicon Nitride ( Si₃N₄ ) all-ceramic bearings have the characteristics of anti-magneticinsulation, wear-resisting and corrosion-resistant, oil-freeself-lubricating, high temperature and cold resistance and so on. Compared with zirconia ( ZrO₂ ) material, Zirconia ( Zirconia ) material is suitablefor higher speed and load capacity, worse working condition and higher ambient temperature. The expansion caused by temperature differencedoes not occur when the long-term service temperature is between 100℃and 800℃. At the same time can provide for high-speed high-precision high-tifnes spindle precision ceramic bearings, the highest manufacturing accuracy upto P4 to UP class. Slicon nitride full ceramicbearing rings and rolling elements are made ofsilicon nitride ( Si₃N₄ )ceramics. Polytetraazide (PTFE) is used as the standard equipment for theretainer, and GRPA66-25, PEEK, Pl, and phenolic cloth bakelite pipes are also commonly used.

Internal Diameter d

Outside Diameter D

Width B

Appearance dimensions (mm)

Relevant installation dimensions (mm)

Weight (kg) (Reference)

d

D

B

r(small)

da(small)

da(large)

Da(large)

ra(large)

ZrO₂

Si₃N₄

plastic

SUS

轴承型号
搜索
内径d
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外径D
- 搜索
宽度B
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condition:
clear condition

50

110

27

2

60

/

100

2

0.82

0.44

0.147

1.066

50

90

20

1.1

57

/

83

1

0.35

0.19

0.063

0.455

50

80

16

1

56

/

74

1

0.2

0.11

0.036

0.26

50

72

12

0.6

55

/

67

0.6

0.1

0.06

0.018

0.13

45

100

25

1.5

54

/

91

1.5

0.64

0.345

0.115

0.832

45

85

19

1.1

52

/

78

1

0.32

0.175

0.057

0.416

45

75

16

1

51

/

69

1

0.19

0.1

0.034

0.247

45

68

12

0.6

50

/

63

0.6

0.097

0.053

0.017

0.1261

40

90

23

1.5

49

/

81

1.5

0.49

0.27

0.088

0.637

40

80

18

1.1

47

/

73

1

0.28

0.15

0.05

0.364

40

68

15

1

46

/

62

1

0.15

0.08

0.027

0.195

40

62

12

0.6

45

/

57

0.6

0.09

0.05

0.016

0.117

35

80

21

1.5

44

/

71

1.5

0.36

0.19

0.065

0.468

35

72

17

1.1

42

/

65

1

0.22

0.12

0.039

0.286

35

62

14

1

41

/

56

1

0.12

0.063

0.022

0.156

35

55

10

0.6

40

/

50

0.6

0.058

0.031

0.01

0.0754

30

72

19

1.1

37

/

65

1

0.27

0.14

0.048

0.351

30

62

16

1

36

/

56

1

0.15

0.083

0.027

0.195

30

55

13

1

36

/

49

1

0.089

0.048

0.016

0.1157

Kehang Bearings
Kehang Bearings