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Oil Free Bushings（Metal Type：Cast Iron）

Since bearings usually receive a lot of frictional resistance that generates heat, lubricants such as oil or grease are used to prevent the seizing or abnormal wear that this frictional heat could otherwise cause. Lubrication-free bushings don't need lubricating oil because the bearing body has a lubricating structure made possible by lubricating oil in the bearing body, or by embedded solid lubricant or the like. Since they don't need lubricating oil, lubrication-free bushings are often used for applications such as precision machinery that makes lubricating oil refilling difficult, and equipment with poor affinity to oil. They also greatly reduce maintenance costs by eliminating the need for regular lubrication and enabling stable operation over long periods. Lubrication-free bushings come in a variety of shapes that can be used for different applications as needed. Examples include straight bushings, collar bushings, flange bushings and housing bushings.

Type

Straight/sleeve
Flanged Type
Standard/Pilot/Center-Flanged Type
Housing Unit Type

2 items

: 30; 45; 60

Oiles #300 Bushing (30B)

OILES

Excellent oil film retention and superior abrasion/seize resistance can greatly reduce the number of times lubrication is necessary.

CAD ：: 2D

Standard Price:	MYR 49.18-
Days to Ship:	1 Day(s)

"Same Day Ship Out" is available for item with 1 day

Oil Free Bushings - Straight / Flanged

MISUMI_Test

Volume Discount

CAD ：: 2D / 3D

Standard Price:	MYR 33.14-
Days to Ship:	1 Day(s) or more

"Same Day Ship Out" is available for item with 1 day


Brand
Product Series
CAD
Days to Ship
Type
Metal Type
Resin Type
Multi-layer
Environment
Inner Dia. d(Ø)
Outer Dia. D(Ø)
Overall Length L(mm)
Max. Allowable PV Value Range(N/mm²•m/s)
Max. Allowable PV Value(N/mm²•m/s)
Max. Allowable Surface Pressure P(N/mm²)
Max. Allowable Velocity V(m/s)
Case Shape
Case Material
Length Type
Mounting Shaft Fits
Mounting Hole Fits
Thickness t(mm)
Lubrication


Brand	OILES	MISUMI_Test
Product Series	Oiles #300 Bushing (30B)	Oil Free Bushings - Straight / Flanged
CAD	2D	2D / 3D
Days to Ship	1 Day(s)	1 Day(s) or more
Type	Straight/sleeve	Straight/sleeve / Flanged Type
Metal Type	Cast Iron	Cast Iron
Resin Type	-	-
Multi-layer	-	-
Environment	Standard	-
Inner Dia. d(Ø)	25 ～ 30	6 ～ 30
Outer Dia. D(Ø)	35 ～ 40	10 ～ 38
Overall Length L(mm)	30	6 ～ 50
Max. Allowable PV Value Range(N/mm²•m/s)	1.1~2.0	0.3~1.0
Max. Allowable PV Value(N/mm²•m/s)	1.25	0.5
Max. Allowable Surface Pressure P(N/mm²)	10	5
Max. Allowable Velocity V(m/s)	1	0.15
Case Shape	-	-
Case Material	-	-
Length Type	Single	-
Mounting Shaft Fits	h7	-
Mounting Hole Fits	H7	-
Thickness t(mm)	-	-
Lubrication	Regular Lubrication	-

Configure

Specification/Dimensions

Metal Type
- Bronze
- Brass
- Cast Iron
- Sintered Steel
Clear

Resin Type
- POM (Polyacetal)
- PTFE (Polytetrafluoroethylene)
- High Performance Polymer Composition
- Polyphenylenesulfide
Clear

Multi-layer
- Steel, Sintered Bronze, Polytetrafluoroethylene
- Steel, Sintered Bronze, Polyacetal
- Steel, Copper Type Sintered Alloy
- Aluminum, Fluororesin
- Polyacetal
Clear

Environment
- Standard
- Heat Resistant
- Foreign Object Resistant
- Vibration Resistant
- In Oil
- In Water
- In Seawater
- In Chemical
- Conformance to Food Sanitation Law
Clear

Inner Dia. d(Ø)
2

3

4

4.5

5

6

7

8

9

10

12

13

14

15

16

17

18

19

20

22

24

25

26

28

30

31.5

32

35

38

40

45

50

55

60

80

90

100

120
Drawing

Clear

Outer Dia. D(Ø)
3.5

4

4.6

5

5.5

5.6

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

38

39

40

42

44

45

48

50

52

55

60

62

65

70

75

80

95

96

100

105

110

120

140
Drawing

Clear

Overall Length L(mm)
2

2.5

3

3.5

4

5

5.5

6

6.5

7

08

8

9

10

11

11.8

12

13

13.8

15

16

18

19

20

22

24

25

27

30

32

35

37

39

40

42

45

47

50

55

57

60

62

63

67

68

70

80

90

100

108

112

128

140

150

170
Drawing

Clear

Max. Allowable PV Value Range(N/mm²•m/s)
- 0.3~1.0
- 1.1~2.0
- 2.1~5.0
Clear

Max. Allowable PV Value(N/mm²•m/s)
0.34

0.42

0.5

0.65

0.83

0.98

1

1.16

1.25

1.32

1.65

1.72

2.45

3.25

3.26

3.6
The value differs depending on the current lubrication. Refer to manufacturers' specifications.
Clear

Max. Allowable Surface Pressure P(N/mm²)
5

6

7

10

14.5

17.5

20.3

24.5

29

35

49

50

80

137

150
The value differs depending on the current lubrication. Refer to manufacturers' specifications.
Clear

Max. Allowable Velocity V(m/s)
0.15

0.35

0.4

0.5

0.65

0.85

1

1.15

1.5

1.65

1.66

1.83

2.5

3.33
The value differs depending on the current lubrication. Refer to manufacturers' specifications.
Clear

Case Shape
- Square Flange
Clear

Case Material
- Steel
- Aluminum
Clear

Length Type
- Single
- Double
- Long
Clear

Mounting Shaft Fits
- d8
- e7
- g6
- h6
- h7
- h9
- f8
Clear

Mounting Hole Fits
- G7
- H7
- M7
Clear

Thickness t(mm)
0.8

1

1.5

2

2.5

3

4

4.5

5

6

8

10
Drawing

Clear

Lubrication
- Unlubricated
- Regular Lubrication
Clear

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- MISUMI_Test (1)
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Clear

CAD

- 2D
- 3D
Clear

Days to Ship

All

1 Day(s) or Less

2 Day(s) or Less

3 Day(s) or Less

4 Day(s) or Less

7 Day(s) or Less

21 Day(s) or Less

30 Day(s) or Less
Clear

How can we improve?

Oil Free Bushings（Metal Type：Cast Iron）

Type