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Plain & Self-Lubricating Bearings（Bushing Material：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
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Straight -
Shouldered -
Flanged -
Pillow Block -
Open Type
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3000 Oiles Bushings - Straight, cast iron, series 30B.【1-10 Pieces Per Package】
Oiles
Cast iron bushing, straight, ideal for reducing lubrication frequency. Bushing made porous by actively utilizing the growth phenomenon of cast iron and impregnated with lubricating oil. Compared with copper alloy bushings, the lubrication frequency can be greatly reduced. Excellent wear resistance with good oil film retention. Can be used with any type of shaft, for rotary, linear or combined rotary and linear motion applications.
- Volume Discount
- CAD ：
- 2D
Days to Ship: Same day or more Show Stock Products
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Oil Free Bushings - Straight, made of metal.
MISUMI
Optimized for use in high load, low speed applications.
- Volume Discount
- METRIC
- inCAD Components
Days to Ship: Same day or more Show Stock Products
-
Oil Free Bushings - Flange Type, made of metal, with mounting holes.
MISUMI
Assembly process can be reduced by the flange-integrated specification.
- Volume Discount
- METRIC
- inCAD Components
Days to Ship: Same day or more Show Stock Products
-
3000 Oiles Bushings - With shoulder, cast iron, series 30F.
Oiles
Cast iron bushing, with shoulder, ideal for reducing the frequency of lubrication. Bushing made porous by actively utilizing the growth phenomenon of cast iron and impregnated with lubricating oil. Compared with copper alloy bushings, the lubrication frequency can be greatly reduced. Excellent wear resistance with good oil film retention. Can be used with any type of shaft, for rotary, linear or combined rotary and linear motion applications.
- Volume Discount
- CAD ：
- 2D
Days to Ship: Same day or more Show Stock Products
-
Oil Free Bushings - In cylindrical housing.
MISUMI
Spec-designed to reduce the time of manufacturing and installing a housing.
- Volume Discount
- METRIC
- inCAD Components
Days to Ship: Same day or more Show Stock Products
-
3000 Oiles Bushings - Straight thin-walled, cast iron, 30B-T series.
Oiles
Thin-walled, straight, cast iron bushing, ideal for applications with limited installation space. Bushing made porous by actively utilizing the growth phenomenon of cast iron and impregnated with lubricating oil. Compared to copper alloy bushings, the frequency of lubrication can be significantly reduced. Excellent wear resistance with good oil film retention. Can be used with any type of shaft, for rotary, linear or combined rotary and linear motion applications.
- Volume Discount
- CAD ：
- 2D
Days to Ship: Same day or more Show Stock Products
| Brand |
|---|
| Product Series |
| CAD |
| Days to Ship |
| Specifications |
| Type |
| Metallic |
| Bushing Material |
| I.D. d(mm) |
| I.D. d(inch) |
| O.D. D(mm) |
| O.D. D(inch) |
| Overall Length L(mm) |
| Overall Length L(inch) |
| Maximum Allowable PV Value Range(N/mm2•m/s) |
| Maximum Allowable PV Value(N/mm2•m/s) |
| Max. Allowable Surface Pressure P(N/mm2) |
| Max. Allowable Velocity V(m/s) |
| Housing Style |
| Housing Material |
| Length Type |
| Mounting Shaft Fits |
| Mounting Hole Fits |
| Thickness T(mm) |
| Lubrication Condition |
| Environment |
|
|
|
|
|
| |
| Brand | Oiles | MISUMI | MISUMI | Oiles | MISUMI | Oiles |
| Product Series | 3000 Oiles Bushings - Straight, cast iron, series 30B.【1-10 Pieces Per Package】 | Oil Free Bushings - Flange Type, made of metal, with mounting holes. | 3000 Oiles Bushings - Straight thin-walled, cast iron, 30B-T series. | |||
| CAD |
|
|
|
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|
|
| Days to Ship |
Same day or more
Show Stock Products |
Same day or more
Show Stock Products |
Same day or more
Show Stock Products |
Same day or more
Show Stock Products |
Same day or more
Show Stock Products |
Same day or more
Show Stock Products |
| Specifications |
|
|
| |||
| Type | Straight | Straight / Shouldered | Flanged | Shouldered | Straight | Straight |
| Metallic | - | - | - | - | - | - |
| Bushing Material | Cast Iron | Cast Iron | Cast Iron | Cast Iron | Cast Iron | Cast Iron |
| I.D. d(mm) | 5 ～ 100 | 6 ～ 30 | 8 ～ 30 | 5 ～ 60 | 8 ～ 30 | 5 ～ 20 |
| I.D. d(inch) | - | - | - | - | - | - |
| O.D. D(mm) | 8 ～ 125 | 10 ～ 38 | 15 ～ 45 | 8 ～ 75 | 12 ～ 38 | 7 ～ 24 |
| O.D. D(inch) | - | - | - | - | - | - |
| Overall Length L(mm) | 5 ～ 80 | 6 ～ 60 | 20 ～ 70 | 5 ～ 80 | 15 ～ 100 | 5 ～ 30 |
| Overall Length L(inch) | - | - | - | - | - | - |
| Maximum Allowable PV Value Range(N/mm2•m/s) | 1.1 to 2.0 | 0.3 to 1.0 | 0.3 to 1.0 | 1.1 to 2.0 | 0.3 to 1.0 | 1.1 to 2.0 |
| Maximum Allowable PV Value(N/mm2•m/s) | 1.25 | 0.5 | 0.5 | 1.25 | 0.5 | 1.25 |
| Max. Allowable Surface Pressure P(N/mm2) | 10 | 5 | 5 | 10 | 5 | 10 |
| Max. Allowable Velocity V(m/s) | 1 | 0.15 | 0.15 | 1 | 0.15 | 1 |
| Housing Style | - | - | - | - | - | - |
| Housing Material | - | - | - | - | Steel | - |
| Length Type | Single | - | - | Single | Single / Double | Single |
| Mounting Shaft Fits | h7 | - | - | h7 | - | h7 |
| Mounting Hole Fits | H7 | - | - | H7 | - | H7 |
| Thickness T(mm) | - | - | - | - | - | - |
| Lubrication Condition | Regular Lubrication | - | - | Regular Lubrication | - | Regular Lubrication |
| Environment | Standard | - | - | Standard | - | Standard |
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Specification/Dimensions
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Metallic
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Bushing Material
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Metric / Inch
- metric
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I.D. d(mm)
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I.D. d(inch)
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O.D. D(mm)
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O.D. D(inch)
- 0.13 in (1/8")
- 0.19 in (3/16")
- 0.25 in (1/4")
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- 0.38 in (3/8")
- 0.50 in (1/2")
- 0.63 in (5/8")
- 0.69 in (11/16")
- 0.75 in (3/4")
- 0.81 in (13/16")
- 0.88 in (7/8")
- 0.94 in (15/16")
- 1.00 in (1")
- 1.13 in (1-1/8")
- 1.25 in (1-1/4")
- 1.50 in (1-1/2")
- 1.56 in (1-9/16")
- 1.75 in (1-3/4")
- 1.81 in (1-13/16")
- 2.00 in (2")
- 2.38 in (2-3/8")
- 3.00 in (3")
- 3.75 in (3-3/4")
- 4.50 in (4-1/2")
- 6.00 in (6")
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Overall Length L(mm)
- 2
- 02
- 2.4
- 2.5
- 2.6
- 2.7
- 2.8
- 3
- 03
- 3.5
- 3.8
- 4
- 04
- 4.4
- 4.5
- 4.8
- 05
- 5
- 5.5
- 5.9
- 06
- 6
- 6.5
- 7
- 7.5
- 08
- 8
- 9
- 9.5
- 10
- 10.5
- 11
- 11.5
- 12
- 12.5
- 13
- 13.5
- 14
- 15
- 15.5
- 16
- 16.5
- 17
- 17.5
- 18
- 19
- 20
- 21
- 21.5
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31.5
- 32
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 42
- 42.5
- 45
- 47
- 48
- 50
- 51
- 52
- 55
- 56
- 57
- 58
- 59
- 60
- 62
- 63
- 64
- 65
- 67
- 67.5
- 68
- 69
- 70
- 73
- 74
- 75
- 76
- 77
- 78
- 80
- 81
- 82
- 85
- 86
- 90
- 95
- 97
- 100
- 103
- 108
- 110
- 112
- 115
- 120
- 125
- 128
- 140
- 141
- 150
- 158
- 170
- 175
- 188
- 200
- 240
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Overall Length L(inch)
- 0.25 in (1/4")
- 0.31 in (5/16")
- 0.38 in (3/8")
- 0.50 in (1/2")
- 0.56 in (9/16")
- 0.63 in (5/8")
- 0.75 in (3/4")
- 0.84 in (27/32")
- 0.88 in (7/8")
- 1.00 in (1")
- 1.03 in (1-1/32")
- 1.25 in (1-1/4")
- 1.33 in (1-5/16")
- 1.50 in (1-1/2")
- 1.63 in (1-5/8")
- 1.75 in (1-3/4")
- 1.78 in (1-25/32")
- 2.19 in (2-3/16")
- 2.25 in (2-1/4")
- 2.38 in (2-3/8")
- 2.50 in (2-1/2")
- 2.63 in (2-5/8")
- 2.81 in (2-13/16")
- 2.95 in (2-61/64")
- 2.98 in (2-63/64")
- 3.00 in (3")
- 3.09 in (3-3/32")
- 3.25 in (3-1/4")
- 4.00 in (4")
- 4.13 in (4-1/8")
- 4.50 in (4-1/2")
- 5.00 in (5")
- 6.00 in (6")
- 8.00 in (8")
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Maximum Allowable PV Value Range(N/mm2•m/s)
-
Maximum Allowable PV Value(N/mm2•m/s)
-
Max. Allowable Surface Pressure P(N/mm2)
-
Max. Allowable Velocity V(m/s)
-
Housing Style
-
Housing Material
-
Length Type
-
Mounting Shaft Fits
-
Mounting Hole Fits
-
Thickness T(mm)
-
Lubrication Condition
-
Environment
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