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Kombinirani
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Kombinirani

Kombinirani valjčni ležaji

Material: kromirano jeklo
Natančnost: P0, P6, P5
Material kletke: jeklo, PA66
Značilnost: visoka-natančnost, nizek-šum, dolga-življenjska doba
Delovno temperaturno območje: -20 stopinj 120 stopinj
Mazanje: olje, mast
Brezplačni vzorci in tehnične risbe: na voljo
Tehnološki standard: JB/T 8877-2011
Certifikat: ISO9001:2015

Opis

Uvod



Kombinirani valjčni ležajisestavljeni iz trdnih obročastih igelnih valjčnih ležajev, krogličnih ležajev in valjčnih ležajev, ki lahko prenesejo enosmerne ali dvosmerne aksialne obremenitve. Ležaj ima kompaktno strukturo, majhno prostornino in visoko natančnost vrtenja. Hkrati lahko nosi visoko radialno obremenitev in določeno aksialno obremenitev. Struktura izdelka je raznolika, prilagodljiva in enostavna za namestitev.Kombinirani valjčni ležajiobičajno imajo tip NKIA, ki je kombinacija igelnih valjčnih in kotnih krogličnih ležajev. Tip NKIB je kombinacija igelnega valja in kotnih ločljivih krogličnih ležajev. Tipa NX in NKX brez kombinacije igelnega kotalnega ležaja z notranjim obročem in potisnega krogličnega ležaja. Tip NKXR brez kombinacije igelnega valjčnega ležaja z notranjim obročem in potisnega cilindričnega valjčnega ležaja. Kombinirani igelni valjčni in dvosmerni potisni cilindrični valjčni ležaji, tipa ZARF in ZARN.


Kombinirani igelni valjčni ležaji se pogosto uporabljajo v tekstilnih strojih, tiskarskih strojih, avtomobilski industriji, strojnih orodjih, metalurških strojih, tiskarskih strojih in drugi mehanski opremi.


Serija ležajev



Vrste ležajev vključujejo serije NX, NX..{0}}Serija Z, serija NKX, NKX..{1}}Serija Z, serija NKXR, NKXR..-Serija Z, serija NKIA , serija NKIB, serija ZARF, serija ZARF..-L serija, serija ZARN in serija ZARN..-serija L.


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Tip NXNKX tiptip NKXR
iko needle bearing
needle bearings for saleCombined Roller Bearings
tip NKIBVrsta ZARNtip ZARF


Podrobnosti o proizvodnji



◆ Process needle rollers

Generally, needle rollers are divided into round heads and flat heads. Tolerance classes are G2, G3 and G5, which are a combination of needle diameter and shape tolerances. For specific details, please refer to the relevant provisions of national standards. The cylindrical surface of the needle roller is only allowed to protrude in the middle, and the Ra is not more than 0.2um. It is not allowed to have defects such as cracks and rust. The manufacturing process of the needle roller is related to the structure and shape of the end face of the needle roller and the forming method of the blank. The manufacturing process of a round head needle roller for turning a blank is as follows: breaking the trapezoidal head of the car → channeling → soft grinding of the end face → hot cleaning and drying → upsetting round head → soft channeling round head → heat treatment → hard channeling round head → rough grinding of outer diameter → fine grinding outer diameter → final grinding outer diameter → hot cleaning, drying, wiping → sawdust polishing → final inspection and sorting → oiling and packaging.


na 4914 bearing


◆ Universal length measuring instrument

The universal length measuring instrument is an optical measuring instrument that can measure both directly (0100mm) and comparatively (0500mm). It can not only measure the inner and outer dimensions, but also the diameter of the small hole (ф1ф20mm), the pitch diameter of the thread, etc. The graduation value of the universal length measuring instrument is 0.001mm. Measuring range: direct measurement of external dimensions is 0100mm, and comparative measurement of external dimensions is 0500mm. The inner dimension measurement range is 10200mm, and 120mm when using the electric eye device. The measuring range of the pitch diameter of the external thread is 0180mm, and the measuring range of the pitch diameter of the internal thread is 14140mm.


needle bearing price


Postopek žarjenja nosilnega jekla



The annealing heating temperature range of GCr15 bearing steel should be 780810 degree , usually 790±10 degree is more appropriate. When the heating temperature of GCr15 steel exceeds 730765 degree , pearlite begins to transform into austenite. The higher the temperature, the more uniform the austenite structure, the less undissolved carbides, and the flaky pearlite structure is easily formed after cooling. Therefore, 840 degree is the upper limit of the annealing temperature, beyond this temperature, coarse pearlite will appear in the annealed structure. In short, if the temperature is too high, the workpiece will overheat and become a substandard product. If the temperature is too low, part of the flaky pearlite after forging will be retained, and it will no longer crystallize into fine spherical pearlite, making its hardness too high and causing unqualified products.


Standardno



◆ ISO 15 Rolling bearings - Radial bearings - Boundary dimensions, general plan.

◆ ISO 76 Rolling bearings. Static load rating.

◆ ISO 281 Rolling bearings. Dynamic load and lifetime.

◆ ISO 492 Rolling bearings. Radial Bearings. Tolerances.

◆ ISO 582 Rolling bearings. Chamfer dimensions - Maximum values.

◆ ISO 1132-2 Rolling bearings. Tolerances. Measuring and checking methods and principles.

◆ ISO 5753 Rolling bearings. Inner radial clearance.


Pogosta vprašanja (pogosto zastavljena vprašanja)



V1: Kako dolgo bo odgovorjeno na naše poizvedbo in vprašanje?

A1: Po prejemu vašega povpraševanja in vprašanja vam bomo odgovorili v 1 do 6 urah.

V2: Kaj pa kakovost ležajev?

A2: Dobavljamo visokokakovostne ležaje in strogo sledimo standardu ISO9001 za proizvodnjo.

V3: Kakšna je MOQ izdelkov?

A3: Običajno je MOQ 1 kos in odvisno od modela.

V4: Kaj pa čas dostave izdelkov?

A4: Običajno je dobavni rok od 3 do 15 dni, odvisno od količine.

V5: Kako nadzirate kakovost izdelkov in preverite kakovost pred dostavo?

A5: Naše podjetje ima strokovni oddelek za pregled kakovosti, ki strogo nadzoruje kakovost izdelkov in ima popolno-poprodajno storitev.


O nas



Shaanxi Gainhui Heavy Industries Co., Ltd. je profesionalni proizvajalec in distributer ležajev na Kitajskem. Opremljeni s profesionalno veliko tovarno, lahko dobavljamo konkurenčne izdelke za ležaje in storitve OEM strankam po vsem svetu. Z visoko kakovostjo, konkurenčno ceno in odličnimi-poprodajnimi storitvamikombinirani valjčni ležaji, dobrodošli, da nas pravočasno kontaktirate.


Ker smo osredotočeni, smo profesionalni.


Metode pakiranja



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Paket ceviPaket z eno škatloPaletni paket


Načini dostave



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Z ekspresomOb morjuPo zraku


Tehnični parametri



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Oznaka ležaja

maša

Mere (mm)

Osnovna dinamična obremenitev

Osnovna statična obremenitev

Osnovna dinamična obremenitev

Osnovna statična obremenitev

Omejitev hitrosti

m

d

D

H

H1

H2

H3

C

C1

D1

D2

D3

B

B1

B2

r

r1

d1

J

da

da

pribl

Coa

Kr

Kor

olje

Mast

≈kg















min.

min.



maks.

min.

N

N

N

N

min–1

min–1

ZARF1560-TV

0.42

15

60

40

26

14

8

35

7.5

0.3

0.6

3.2

46

36

28

24 900

53 000

13 000

17 500

8 500

2 200

ZARF1560-L-TV

0.45

15

60

53

39

14

8

35

24

34

7.5

20.5

11

0.3

0.6

3.2

46

36

22

24 900

53 000

13 000

17 500

8 500

2 200

ZARF1762-TV

0.49

17

62

43

27.5

14

8

38

9

0.3

0.6

3.2

48

39

28

26 000

57 000

14 000

19 900

7 800

2 100

ZARF1762-L-TV

0.52

17

62

57

41.5

14

8

38

28

38

9

23

11

0.3

0.6

3.2

48

39

26

26 000

57 000

14 000

19 900

7 800

2 100

ZARF2068-TV

0.56

20

68

46

29

14

8

42

10

0.3

0.6

3.2

53

43

33

33 500

76 000

14 900

22 400

7 000

2 000

ZARF2068-L-TV

0.61

20

68

60

43

14

8

42

30

40

10

24

11

0.3

0.6

3.2

53

43

28

33 500

76 000

14 900

22 400

7 000

2 000

ZARF2575-TV

0.78

25

75

50

33

18

10

47

10

0.3

0.6

3.2

58

48

39

35 500

86 000

22 600

36 000

6 000

1 900

ZARF2575-L-TV

0.84

25

75

65

48

18

10

47

36

45

10

25

11

0.3

0.6

3.2

58

48

34

35 500

86 000

22 600

36 000

6 000

1 900

ZARF3080-TV

0.85

30

80

50

33

18

10

52

10

0.3

0.6

3.2

63

53

44

39 000

101 000

24 300

41 500

5 500

1 800

ZARF3080-L-TV

0.9

30

80

65

48

18

10

52

40

50

10

25

11

0.3

0.6

3.2

63

53

38

39 000

101 000

24 300

41 500

5 500

1 800

ZARF3590-TV

1.12

35

90

54

35

18

10

60

11

0.3

0.6

3.2

73

61

50

56 000

148 000

26 000

47 000

4 800

1700

ZARF3590-L-TV

1.25

35

90

70

51

18

10

60

45

58

11

27

12

0.3

0.6

3.2

73

61

43

56 000

148 000

26 000

47 000

4 800

1700

ZARF40100-TV

1.35

40

100

54

35

18

10

65

11

0.3

0.6

3.2

80

66

55

59 000

163 000

27 500

53 000

4 400

1600

ZARF40100-L-TV

1.45

40

100

70

51

18

10

65

50

63

11

27

12

0.3

0.6

3.2

80

66

48

59 000

163 000

27 500

53 000

4 400

1600

ZARF45105-TV

1.7

45

105

60

40

22.5

12.5

70

11.5

0.3

0.6

6

85

71

60

61 000

177 000

38 000

74 000

4 000

1500

ZARF45105-L-TV

1.85

45

105

75

55

22.5

12.5

70

56

68

11.5

26.5

12

0.3

0.6

6

85

71

54

61 000

177 000

38 000

74 000

4 000

1500

ZARF50115-TV

2.1

50

115

60

40

22.5

12.5

78

11.5

0.3

0.6

6

94

79

67

90 000

300 000

40 000

82 000

3 600

1200

ZARF50115-L-TV

2.45

50

115

78

58

22.5

12.5

78

60

78

11.5

29.5

12

0.3

0.6

6

94

79

58

90 000

300 000

40 000

82 000

3 600

1200

ZARF2080-TV

1.1

20

80

60

38

18

10

52

12.5

0.3

0.6

3.2

63

53

38

64 000

141 000

22 600

36 000

6000

1500

ZARF2080-L-TV

1.22

20

80

75

53

18

10

52

40

50

12.5

27.5

11

0.3

0.6

3.2

63

53

38

64 000

141 000

22 600

36 000

6000

1500

ZARF2590-TV

1.6

25

90

60

38

18

10

62

12.5

0.3

0.6

3.2

73

63

45

80 000

199 000

24 300

41 500

4900

1400

ZARF2590-L-TV

1.75

25

90

75

53

18

10

62

48

60

12.5

27.5

11

0.3

0.6

3.2

73

63

45

80 000

199 000

24 300

41 500

4900

1400

ZARF30105-TV

1.95

30

105

66

41

18

10

68

14

0.3

0.6

3.2

85

69

52

107 000

265 000

26 000

47 000

4400

1300

ZARF30105-L-TV

2.15

30

105

82

57

18

10

68

52

66

14

30

12

0.3

0.6

3.2

85

69

50

107 000

265 000

26 000

47 000

4400

1300

ZARF35110-TV

1.6

35

110

66

41

18

10

73

14

0.3

0.6

3.2

88

74

60

105 000

265 000

27 500

53 000

4000

1250

ZARF35110-L-TV

1.85

35

110

82

57

18

10

73

60

73

14

30

12

0.3

0.6

3.2

88

74

58

105 000

265 000

27 500

53 000

4000

1250

ZARF40115-TV

2.7

40

115

75

47.5

22.5

12.5

78

16

0.3

0.6

6

94

79

65

117 000

315 000

38 000

74 000

3700

1200

ZARF40115-L-TV

3

40

115

93

65.5

22.5

12.5

78

60

78

16

34

12

0.3

0.6

6

94

79

58

117 000

315 000

38 000

74 000

3700

1200

ZARF45130-TV

3.9

45

130

82

51

22.5

12.5

90

17.5

0.3

0.6

6

105

91

70

154 000

405 000

40 000

82 000

3300

1150

ZARF45130-L-TV

4.3

45

130

103

72

22.5

12.5

90

70

88

17.5

38.5

14

0.3

0.6

6

105

91

68

154 000

405 000

40 000

82 000

3300

1150

ZARF50140-TV

4.2

50

140

82

51

22.5

12.5

95

17.5

0.3

0.6

6

113

96

75

172 000

480 000

42 000

90 000

3 100

1100

ZARF50140-L-TV

4.65

50

140

103

72

22.5

12.5

95

75

93

17.5

38.5

14

0.3

0.6

6

113

96

73

172 000

480 000

42 000

90 000

3 100

1100

ZARF55145-TV

4.5

55

145

82

51

22.5

12.5

100

17.5

0.3

0.6

6

118

101

85

177 000

500 000

44 000

98 000

2 900

1000

ZARF55145-L-TV

5

55

145

103

72

22.5

12.5

100

80

98

17.5

38.5

14

0.3

0.6

6

118

101

78

177 000

500 000

44 000

98 000

2 900

1000

ZARF60150-TV

4.7

60

150

82

51

22.5

12.5

105

17.5

0.3

0.6

6

123

106

90

187 000

550 000

44 500

92 000

2 700

950

ZARF60150-L-TV

5.35

60

150

103

72

22.5

12.5

105

90

105

17.5

38.5

16

0.3

0.6

6

123

106

88

187 000

550 000

44 500

92 000

2 700

950

ZARF65155-TV

5.1

65

155

82

51

22.5

12.5

110

17.5

0.3

0.6

6

128

111

97

172 000

500 000

54 000

104 000

2 600

900

ZARF65155-L-TV

5.7

65

155

103

72

22.5

12.5

110

90

108

17.5

38.5

16

0.3

0.6

6

128

111

88

172 000

500 000

54 000

104 000

2 600

900

ZARF70160-TV

5.2

70

160

82

51

22.5

12.5

115

17.5

0.3

0.6

6

133

116

100

201 000

630 000

56 000

119 000

2 400

800

ZARF70160-L-TV

5.95

70

160

103

72

22.5

12.5

115

100

115

17.5

38.5

16

0.3

0.6

6

133

116

98

201 000

630 000

56 000

119 000

2 400

800

ZARF75185-TV

9.4

75

185

100

62

27

15

135

21

0.3

1

6

155

136

113

290 000

890 000

72 000

132 000

2 100

700

ZARF75185-L-TV

10.6

75

185

125

87

27

15

135

115

135

21

46

16

0.3

1

6

155

136

110

290 000

890 000

72 000

132 000

2 100

700

ZARF90210-TV

13.7

90

210

110

69.5

32

17.5

160

22.5

0.3

1

8

180

161

130

325 000

1030000

98 000

210 000

1 800

700

ZARF90210-L-TV

15.1

90

210

135

94.5

32

17.5

160

130

158

22.5

47.5

16

0.3

1

8

180

161

125

325 000

1030000

98 000

210 000

1 800

700

Za več podatkov kliknite gumb za prenos na vrhu te strani, da prenesete katalog.

Priljubljena oznake: kombinirani valjčni ležaji, Kitajska, dobavitelji, proizvajalci, tovarna, po meri, veleprodaja, nakup, cena, distributerji, podjetje, naprodaj

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