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Oil Free Bushings（Type：Housing Unit Type）
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
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.
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| SpecificationsĐặc điểm kĩ thuật |
| Type |
| Inner Dia. d(Ø) |
| Outer Dia. D(Ø) |
| Overall Length L(mm) |
| Metal Type |
| Environment |
| Resin Type |
| Multi-layer |
| Case Shape |
| Mounting Shaft Fit |
| Mounting Hole Fits |
| Lubrication |
| Thickness t(mm) |
| Max. Allowable Surface Pressure P(N/mm2) |
| Case Material |
| Max. Allowable Velocity V(m/s) |
| Length Type |
| Max. Allowable PV Value Range(N/mm2・m/s) |
| Max. Allowable PV Value(N/mm2•m/s) |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.     | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.     | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | |
| BrandNhãn hiệu | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI |
| Product SeriesDòng sản phẩm | Oil Free Bushing Housing Units - Blocks - Compact - Tall Blocks / Wide Blocks | Lubrication-Free Bushing Block Type Housing Unit, Wide / Standard Type | Oil Free Bushing Housing Units - Blocks / Built-in Cast Bushings | Oil Free Bushing Housing Units - Blocks / Built-In Polyacetal Bushings | Lubrication-Free Bushing Block Type Housing Unit, Wide / Standard Type, Built-in Dry Bushing Type | Lubrication-Free Bushing Block Type Housing Unit, Tall / Compact Type | Lubrication-Free Bushing Block Type Housing Unit, Tall / Compact Type, Built-in Dry Bushing Type | Lubrication-Free Bushing Block Type Housing Unit, Tall / Standard Type | Lubrication-Free Bushing Block Type Housing Unit, Tall / Standard Type, Built-in Dry Bushing Type | |||
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| From | 783,552 VND | 237,583 VND | 242,054 VND | 219,538 VND | 1,228,381 VND | 625,567 VND | 669,149 VND | 550,935 VND | 971,278 VND | 889,658 VND | 1,305,920 VND | 636,636 VND |
| Days to ShipSố ngày giao hàng | Same day or more | Same day | Same day | Same day | 4 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more |
| SpecificationsĐặc điểm kĩ thuật | ||||||||||||
| Type | Housing Unit Type | Housing Unit Type | Housing Unit Type | Housing Unit Type | Housing Unit Type | Housing Unit Type | Housing Unit Type | Housing Unit Type | Housing Unit Type | Housing Unit Type | Housing Unit Type | Housing Unit Type |
| Inner Dia. d(Ø) | 10 ～ 30 | 10 ～ 50 | 10 ～ 50 | 10 ～ 50 | 16 ～ 30 | 8 ～ 30 | 6 ～ 16 | 6 ～ 30 | 10 ～ 30 | 10 ～ 30 | 16 ～ 30 | 6 ～ 30 |
| Outer Dia. D(Ø) | - | 19 ～ 80 | 19 ～ 80 | 19 ～ 80 | - | 12 ～ 38 | - | - | - | - | - | 8 ～ 34 |
| Overall Length L(mm) | 32 ～ 128 | 32 ～ 170 | 32 ～ 170 | 32 ～ 170 | 42 ～ 128 | 15 ～ 100 | 27 ～ 47 | 27 ～ 74 | 37 ～ 128 | 39 ～ 74 | 42 ～ 128 | 27 ～ 128 |
| Metal Type | Brass | Bronze | Bronze | Bronze | Brass | Cast Iron | - | - | Brass | - | Brass | - |
| Environment | - | Standard / In Oil | Standard / In Oil | Standard / In Oil | - | - | Conformance to Food Sanitation Law | - | - | - | - | - |
| Resin Type | - | - | - | - | - | - | - | - | - | - | - | - |
| Multi-layer | - | - | - | - | - | - | Polyacetal | Steel, Sintered Bronze, Polytetrafluoroethylene | - | Steel, Sintered Bronze, Polytetrafluoroethylene | - | Steel, Sintered Bronze, Polytetrafluoroethylene |
| Case Shape | - | Oval Shaped Flange | Square Flange | Round Flange | - | - | - | - | - | - | - | - |
| Mounting Shaft Fit | - | g6 / f8 | g6 / f8 | g6 / f8 | - | - | - | - | - | - | - | - |
| Mounting Hole Fits | - | - | - | - | - | - | - | - | - | - | - | - |
| Lubrication | - | Unlubricated / Regular Lubrication | Unlubricated / Regular Lubrication | Unlubricated / Regular Lubrication | - | - | - | - | - | - | - | - |
| Thickness t(mm) | - | - | - | - | - | - | - | - | - | - | - | - |
| Max. Allowable Surface Pressure P(N/mm2) | 29 | 29 | 29 | 29 | 29 | 5 | 17.5 | 49 | 29 | 49 | 29 | 49 |
| Case Material | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Steel | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum |
| Max. Allowable Velocity V(m/s) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.15 | 0.85 | 0.65 | 0.5 | 0.65 | 0.5 | 0.65 |
| Length Type | Single / Double | - | - | - | Single / Double | Single / Double | Single | Single | Single / Double | Single | Single / Double | Single / Double |
| Max. Allowable PV Value Range(N/mm2・m/s) | 1.1~2.0 | 1.1~2.0 | 1.1~2.0 | 1.1~2.0 | 1.1~2.0 | 0.3~1.0 | 2.1~5.0 | 2.1~5.0 | 1.1~2.0 | 2.1~5.0 | 1.1~2.0 | 2.1~5.0 |
| Max. Allowable PV Value(N/mm2•m/s) | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 | 0.5 | 2.45 | 3.6 | 1.65 | 3.6 | 1.65 | 3.6 |
| BrandNhãn hiệu |
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| Product SeriesDòng sản phẩm |
You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list. | You can add up to 6 items per a category to the compare list. | |
| BrandNhãn hiệu | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI |
| Product SeriesDòng sản phẩm | Oil Free Bushing Housing Units - Blocks - Compact - Tall Blocks / Wide Blocks | Lubrication-Free Bushing Block Type Housing Unit, Wide / Standard Type | Oil Free Bushing Housing Units - Blocks / Built-in Cast Bushings | Oil Free Bushing Housing Units - Blocks / Built-In Polyacetal Bushings | Lubrication-Free Bushing Block Type Housing Unit, Wide / Standard Type, Built-in Dry Bushing Type | Lubrication-Free Bushing Block Type Housing Unit, Tall / Compact Type | Lubrication-Free Bushing Block Type Housing Unit, Tall / Compact Type, Built-in Dry Bushing Type | Lubrication-Free Bushing Block Type Housing Unit, Tall / Standard Type | Lubrication-Free Bushing Block Type Housing Unit, Tall / Standard Type, Built-in Dry Bushing Type |
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Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
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Inner Dia. d(Ø)
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Outer Dia. D(Ø)
- 3
- 3.5
- 4
- 4.5
- 4.6
- 5
- 05
- 5.5
- 5.6
- 06
- 6
- 7
- 08
- 8
- 9
- 10
- 11
- 12
- 12$8$12$8
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 42
- 43.0
- 44
- 45
- 47
- 48
- 50
- 52
- 53.0
- 55
- 56
- 57
- 60
- 62
- 65
- 68
- 70
- 74
- 75
- 78
- 80
- 85
- 90
- 95
- 96
- 100
- 105
- 110
- 115
- 117
- 118
- 120
- 125
- 130
- 135
- 140
- 145
- 150
- 155
- 156
- 160
- 165
- 170
- 180
- 190
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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
- 7.7
- 08
- 8
- 9
- 9.5
- 10
- 10.5
- 11
- 11.5
- 12
- 12.5
- 13
- 13.5
- 13.8
- 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
- 77
- 78
- 80
- 81
- 82
- 85
- 86
- 90
- 95
- 97
- 100
- 103
- 108
- 110
- 112
- 115
- 120
- 125
- 128
- 130
- 140
- 141
- 150
- 158
- 170
- 180
- 188
- 500
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Metal Type
- Bronze
- Brass
- Cast Iron
- Sintered Steel
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Environment
- Standard
- Heat Resistant
- Foreign Object Resistant
- Vibration Resistant
- In Oil
- In Water
- In Seawater
- In Chemical
- Conformance to Food Sanitation Law
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Resin Type
- POM (Polyacetal)
- PTFE (Polytetrafluoroethylene)
- High Performance Polymer Group
- Polyphenylenesulfide
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Multi-layer
- Steel, Sintered Bronze, Polytetrafluoroethylene
- Steel, Sintered Bronze, Polyacetal
- Steel, Copper Type Sintered Alloy
- Metal Mesh, Polytetrafluoroethylene
- Aluminum, Fluororesin
- Polyacetal
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Case Shape
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Mounting Shaft Fit
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Mounting Hole Fits
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Lubrication
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Thickness t(mm)
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Max. Allowable Surface Pressure P(N/mm2)
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Case Material
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Max. Allowable Velocity V(m/s)
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Length Type
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Max. Allowable PV Value Range(N/mm2・m/s)
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Max. Allowable PV Value(N/mm2•m/s)
Application example related to this categoryVí dụ ứng dụng liên quan đến danh mục này
Related Categories to Oil Free BushingsDanh mục liên quan đến Oil Free Bushings
FAQ Oil Free Bushings
- Question: What does the term ″self-lubricating bushing″ refer to?
- Answer: The term ″self-lubricating bushing″ refers to a type of bearing or sleeve that has the ability to provide lubrication to reduce friction without requiring external lubricants like oil or grease. These bushings are designed with embedded solid lubricants, such as graphite or PTFE (Teflon), which release lubrication during operation. They are commonly used in various applications where low friction, smooth operation, and maintenance-free performance are desired, such as in machinery, automotive components, and industrial equipment.
- Question: Should you apply grease or oil to bronze bushings?
- Answer: In general, bronze bushings do not need additional grease or oil. They are self-lubricating and don't require external lubrication. However, if there is excessive friction or wear, a small amount of compatible oil or grease can be applied. It's best to follow the manufacturer's recommendations or seek professional advice for specific bronze bushings.
- Question: What materials are typically used to manufacture self-lubricating bushings?
- Answer: Self-lubricating bushings are usually made from materials like bronze, brass, steel, PTFE (Teflon), nylon, and composites. These materials have built-in lubrication properties, reducing the need for external lubricants. Bronze and brass are durable choices, steel is strong, PTFE offers low friction, nylon is lightweight, and composites provide a balance of strength and self-lubrication. Material selection depends on specific application requirements.
- Question: Are bronze bushing self-lubricating?
- Answer: Yes, bronze bushings are self-lubricating. They contain built-in solid lubricants like graphite or PTFE. This means they can provide lubrication on their own, reducing friction and wear. They don't require additional external lubrication, making them convenient and suitable for various applications.
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