Deep groove ball bearings / single row / cover on both sides / SKF (638/8-2Z)

SKF

Product Details:

Manufacturer part number: 638/8-2Z

Brand: SKF

Price: 12.34 €

Delivery time: 5 Days

Technical Data:

I.D. D: 8 φ

Outer Diameter D: 16 φ

Width B: 6 mm

Maximum Allowable Rotational Speed: 45000 1/min

Size Standard: Metric System

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Part Number
638/8-2Z

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	I.D. D (φ)	Outer Diameter D (φ)	Width B (mm)	Maximum Allowable Rotational Speed (1/min)	Size Standard	Basic Load Rating Static Rating (N)	Basic Load Rating Dynamic Rating (Ca) (N)	Customs tariff — weight (kg)	Ring nut	Shoulder dimension d1 (mm)	r (min.) (mm)	Customs tariff — item number	Internal diameter (inch) d (inch)	Fatigue limit load Pu (kN)	Cage designation	Model series	Bore code	Shoulder dimension D1 (mm)	Reference speed rpm	Bearing clearance identifier	Cage material	External diameter (inch) D (inch)	Width, imperial, B (inch)	Bearing clearance designator
	12.34 €	1		5 Days	8	16	6	45000	Metric System	570	1330	0.004	No	9.6	0.2	84821010	-	0.024	-	63..	-	14.2	90,000	CN	Sheet steel	-	-	Normal radial clearance

Basic information

Number of Bearing Ring Rows	Single Row	Design	Deep-groove ball bearing	Customs tariff — weight per	1
Bore shape	Cylindrical	Customs tariff — weight unit	kg	Designator cover / seal	Contact-free covers on both sides made of sheet steel
Marking cover / seal	2Z	Customs tariff — country of origin	DE	Engineering material	Steel
Flange on outer ring	No	Norm	DIN 625

This page is Deep groove ball bearings / single row / cover on both sides / SKF, part number 638/8-2Z.
You can find the detail information about specifications and dimensions on part number 638/8-2Z.

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Basic Attributes

Internal diameter (inch) d(inch)
5
Clear
Cage designation
Glass fiber-reinforced cage made of polyamide 66, ball-guided
Clear
Bore code
00

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

17

18

19

20

22

24

26

28

30
Clear
External diameter (inch) D(inch)
- 13.125
Clear
Width, imperial, B(inch)
- 375
Clear
Type
Clear
I.D. D(φ)
3

4

5

6

7

8

9

10

12

12.7

15

17

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

110

120

130

140

150
Clear
Outer Diameter D(φ)
9

10

11

13

14

15

16

17

19

20

21

22

24

26

28

30

32

33.338

35

37

40

42

47

52

55

62

68

72

75

80

85

90

95

100

110

115

120

125

130

140

150

160

170

180

190

200

210

215

225
Clear
Width B(mm)
3.5

4

5

6

7

8

9

9.525

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

33

35

37

38

39

41

43

45

47
Clear
Size Standard
- Metric System
- Inch Base
Clear
Customs tariff — weight(kg)
0.001

0.002

0.003

0.004

0.005

0.006

0.007

0.008

0.009

0.012

0.013

0.015

0.016

0.017

0.019

0.02

0.022

0.024

0.027

0.028

0.031

0.032

0.033

0.038

0.04

0.045

0.046

0.054

0.06

0.064

0.066

0.067

0.068

0.08

0.084

0.107

0.112

0.116

0.118

0.131

0.146

0.155

0.194

0.201

0.228

0.245

0.268

0.293

0.346

0.353

0.358

0.367

0.39

0.41

0.419

0.42

0.449

0.46

0.465

0.466

0.618

0.625

0.635

0.66

0.789

0.808

0.85

0.855

0.887

0.934

1.029

1.087

1.09

1.1

1.104

1.116

1.194

1.203

1.288

1.386

1.387

1.402

1.493

1.732

1.734

1.743

1.828

2.128

2.152

2.186

2.266

2.582

2.675

3.103

3.318

3.487

3.682

4.3

4.389

4.472

5.039

5.835

7.166
Clear
Ring nut
- No
Clear
Shoulder dimension d1(mm)
5.2

6

6.7

6.8

7.4

7.5

8.2

8.4

8.5

9.6

9.8

10.1

10.7

11.1

11.6

12.1

12.7

13.9

14.4

14.8

16

17

17.5

17.8

18.4

18.45

18.8

19.5

19.8

20.4

20.5

21.7

23

23.7

24.5

26.5

27.2

28.8

30.3

32

34.3

36.6

38.2

40.3

43.7

44.6

46.9

49.2

49.5

52.6

54.7

56.1

57.6

59.7

62.1

62.5

66.3

68.7

69

71.6

75.5

76.6

81.8

82.8

83.3

87

87.6

88.3

92

94.4

94.9

99.4

101

105

106

108

112

114

115

121

127

135

138

139

152

162

174
Clear
r (min.)(mm)
0.1

0.15

0.2

0.3

0.6

0.8

1

1.1

1.5

2

2.1

3
Clear
Customs tariff — item number
- 84821010
- 84821090
Clear
Fatigue limit load Pu(kN)
0.007

0.01

0.011

0.012

0.014

0.015

0.016

0.017

0.02

0.024

0.025

0.027

0.028

0.031

0.034

0.036

0.039

0.04

0.043

0.057

0.071

0.083

0.095

0.1

0.108

0.12

0.132

0.137

0.143

0.16

0.176

0.2

0.212

0.228

0.275

0.28

0.335

0.355

0.44

0.475

0.49

0.64

0.655

0.67

0.71

0.8

0.815

0.9

0.915

0.98

1.02

1.06

1.25

1.32

1.34

1.43

1.53

1.6

1.66

1.73

1.76

1.9

1.96

2.04

2.2

2.5

2.75

2.8

3

3.25

3.35

3.45

3.55

3.8

3.9

4

4.15

4.75
Clear
Model series
60..

62..

63..

160..

161..

618..

619..
Clear
Shoulder dimension D1(mm)
8.1

8.2

9.9

11.2

11.4

12.2

12.7

13

13.3

14.2

15.2

16.5

16.7

17.2

17.5

19.2

19.4

21.2

21.4

22.2

22.6

24.2

24.8

25.3

27.4

27.7

28.2

28.7

30.4

31.2

31.5

35

36.3

37.2

39.6

40.6

42.2

44.8

46.2

49

52.7

54.1

55.7

61.1

61.9

62.7

67.8

69.5

69.8

72.8

75.5

77.7

81.5

81.7

86.5

86.7

89.4

91.5

95.2

98

99.9

104

105

106

111

112

113

115

117

120

127

129

130

135

139

143

147

156

164

166

172

182

184

192

206
Clear
Reference speed rpm
2,000

6,000

6,700

7,000

7,500

8,000

8,500

9,000

9,500

10,000

11,000

12,000

13,000

14,000

15,000

16,000

17,000

18,000

19,000

20,000

22,000

24,000

28,000

30,000

32,000

34,000

38,000

43,000

45,000

50,000

56,000

60,000

63,000

67,000

70,000

75,000

80,000

85,000

90,000

95,000

100,000

110,000

120,000

130,000

140,000
Clear
Bearing clearance identifier
- C2
- C3
- C4
- CN
Clear
Cage material
- Resin
- Sheet steel
Clear
Bearing clearance designator
- Radial clearance larger than C3
- Normal radial clearance
- Radial clearance larger than normal
- Radial clearance smaller than normal
Clear

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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Variation of this product

Part Number
16003-2Z
16100-2Z
16101-2Z
6000-2Z/C2
6000-2Z/C3
RLS 4-2Z

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	I.D. D (φ)	Outer Diameter D (φ)	Width B (mm)	Maximum Allowable Rotational Speed (1/min)	Size Standard	Basic Load Rating Static Rating (N)	Basic Load Rating Dynamic Rating (Ca) (N)	Customs tariff — weight (kg)	Ring nut	Shoulder dimension d1 (mm)	r (min.) (mm)	Customs tariff — item number	Internal diameter (inch) d (inch)	Fatigue limit load Pu (kN)	Cage designation	Model series	Bore code	Shoulder dimension D1 (mm)	Reference speed rpm	Bearing clearance identifier	Cage material	External diameter (inch) D (inch)	Width, imperial, B (inch)	Bearing clearance designator
9.54 €	1	Quote	17	35	8	22000	Metric System	3250	6370	0.033	No	23	0.3	84821090	-	0.137	-	160..	03	31.2	45,000	CN	Sheet steel	-	-	Normal radial clearance
9.63 €	1	5 Days	10	28	8	32000	Metric System	1960	5070	0.024	No	17	0.3	84821010	-	0.1	-	161..	00	24.8	63,000	CN	Sheet steel	-	-	Normal radial clearance
11.54 €	1	5 Days	12	30	8	28000	Metric System	2360	5070	0.027	No	17	0.3	84821010	-	0.1	-	161..	01	24.8	56,000	CN	Sheet steel	-	-	Normal radial clearance
4.42 €	1	5 Days	10	26	8	34000	Metric System	1960	4750	0.019	No	14.8	0.3	84821010	-	0.083	-	60..	00	22.6	67,000	C2	Sheet steel	-	-	Radial clearance smaller than normal
3.38 €	1	5 Days	10	26	8	34000	Metric System	1960	4750	0.019	No	14.8	0.3	84821010	-	0.083	-	60..	00	22.6	67,000	C3	Sheet steel	-	-	Radial clearance larger than normal
66.60 €	1	5 Days	12.7	33.338	9.525	26000	Inch Base	3100	7300	0.04	No	18.45	0.8	84821090	5	0.132	-	-	-	-	45,000	CN	Sheet steel	13.125	375	Normal radial clearance