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GB/T 35087-2018 English PDF (GBT35087-2018)
GB/T 35087-2018 English PDF (GBT35087-2018)
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GB/T 35087-2018: Plain bearings -- Lubrication holes, grooves and pockets -- Dimensions, types, designation and their application to bearing bushes
GB/T 35087-2018
Plain bearings--Lubrication holes, grooves and pockets--Dimensions, types, designation and their application to bearing bushes
ICS 21.100.10
J12
National Standards of People's Republic of China
Sliding bearing bushings for oil holes, oil grooves and oil pockets
Size, pattern, marking and its application
(ISO 12128.2001, IDT)
Published on.2018-05-14
2018-12-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard uses the translation method equivalent to ISO 12128.2001 "sliding bearing bushing oil hole, oil groove and oil hole size, type, standard
Remember and its application.
The documents of our country that have a consistent correspondence with the international documents referenced in this standard are as follows.
---GB/T 1804-2000 Tolerance of linear and angular dimensions for general tolerances without tolerances (eqvISO 2768-1.1989)
This standard has made the following editorial changes.
--- Added in the scope of Chapter 1 "Note. Since the bushing made of sintered metal itself contains lubricant, this standard does not specify its lubricant
Supply and distribution methods. Bushings made of carbon do not require lubrication with lubricating oil or grease. ".
This standard was proposed by the China Machinery Industry Federation.
This standard is under the jurisdiction of the National Sliding Bearing Standardization Technical Committee (SAC/TC236).
This standard is drafted by. China Machine Productivity Promotion Center.
Participated in the drafting of this standard. Zhejiang Changsheng Sliding Bearing Co., Ltd., Zhejiang Shuangfei Oilless Bearing Co., Ltd., Zhejiang Zhongzhong
Precision Components Co., Ltd., Jiashan Fengcheng Sanfu Bearing Co., Ltd., Linan Dongfang Sliding Bearing Co., Ltd.
This standard is interpreted by the National Standardization Technical Committee for Plain Bearings.
Sliding bearing bushings for oil holes, oil grooves and oil pockets
Size, pattern, marking and its application
1 Scope
This standard specifies the size of the lubricating oil hole, oil groove and oil pocket of the bushing. These dimensions can be labeled with the marking method specified in the example
On the drawing. The use of lubrication holes, oil grooves, and oil pockets depends on the specific operating conditions.
In addition, this standard allows bushings made of copper alloys, thermosets, thermoplastics or carbon materials to be supplied with different lubricants and
Allocation.
Note. Since the bushing made of sintered metal itself contains lubricant, this standard does not specify the way the lubricant is supplied and distributed. Bushing made of carbon material is not required
Lubricate the oil or grease.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 18324-2001 Plain bearing copper alloy bushings (ISO 4379.1993, IDT)
ISO 2768-1.1989 General tolerances Part 1. Tolerances to linear and angular dimensions without tolerances (Generaltolerances-
Part 1. Tolerancesforlinearandangulardimensionswithoutindividualtoleranceindications)
3 sizes, patterns and markings
3.1 Overview
The size of the lubrication holes, oil grooves and oil pockets is related to the wall thickness s of the bearing. The given size d1 should only be used as a reference size.
All dimensions are in mm.
3.2 Lubricating oil hole
3.2.1 Dimensions and types
The size and type of the lubrication hole are shown in Figure 1 and Table 1.
Lubricating oil holes provide lubrication with oil grooves and oil pockets. When the lubrication of a certain lubrication point can meet the requirements, the lubricating oil hole and oil can be omitted.
Slot or oil pocket.
Figure 1 Lubricating oil hole
Table 1 Lubricating oil hole size
D2 2.5 3 4 5 6 8 10 12
T1 1 1.5 2 2.5 3 4 5 6
D3
Type A 4.5 6 8 10 12 16 20 24
Type B 6 8.2 10.8 13.6 16.2 21.8 27.2 32.6
> - 2- 2.5 3 4 5 7.5 10
≤ 2 2.5 3 4 5 7.5 10 -
D1 nominal d1 ≤ 30 30 \u003cd1≤100 d1\u003e 100
3.2.2 Marking
Example. Type A lubricant hole, oil hole diameter d2 = 3mm, marked as follows.
Lubricating oil hole GB/T 35087-A3
3.3 Lubricating oil tank
3.3.1 Size and type
The size and type of lubricating oil tank are shown in Figure 2, Figure 3 and Table 2 and Table 3.
Lubricating oil tanks are mainly used for plain bearings. C, D, E type oil tanks are usually used together with H type (circumferential oil grooves), mainly for non-ferrous metals,
In plain bearings made of steel, cast iron or plastic. F and G oil grooves are mainly used for sliding bearings made of carbon materials.
Type J oil sump is a narrow mixing oil tank, usually used for grease lubrication. For easy processing and avoiding burrs, all sharp corners can be made small
Chamfer or rounded corners.
Note. For ease of manufacture, the dimensions of the remaining wall thickness of the bearing in the oil groove can be marked on the drawing as the control size.
Figure 2 Lubricating oil tank
Table 2 Lubricating oil tank size
T2 e1 e2 r1 r2 y α s d1
Type type type type type
C~JD, EJGHCDFJCJJJ > ≤ C~HJ
0.4 3 3 1.2 3 1.5 1.5 1 1 1.5 1 1.5 28° - 1
0.6 4 4 1.6 3 1.5 1.5 1 1.5 2 1.5 2.1 25° 1 1.5
0.8 5 5 1.8 3 1.5 2.5 1 1.5 3 1.5 2.2 25° 1.5 2
1 8 6 2 4 2 4 1.5 2 4.5 2 2.8 22° 2 2.5
D1≤
1.2 10.5 6 2.5 5 2.5 6 2 2 6 2 2.6 22° 2.5 3
1.6 14 7 3.5 6 3 8 3 2.5 9 2.5 2.6 20° 3 4
2 19 8 4.5 8 4 12 4 2.5 12 2.5 2.8 20° 4 5
D1≤
2.5 28 8 7.5 10 5 20 5 3 15 3 3 20° 5 7.5
3.2 38 - 11 12 7 28 7 - 21 - - - 7.5 10
4 49 - 14 15 9 35 9 - 27 - - - 10 -
D1>
a Rounded.
Figure 3 Lubrication tank with closed end
Table 3 margin a size
b Nominal 15≤b≤30 30 \u003cb≤60 60\u003cb≤100 b\u003e 100
a 3 4 6 10
3.3.2 Marking
Example. D-type lubricating oil tank, oil tank depth t2 = 0.8mm, marked as follows.
Lubricating oil tank GB/T 35087-D0.8
3.4 Lubricating oil
3.4.1 Size and type
The size and type of the lubricating hole are shown in Figure 4 and Table 4.
Lubricating oil pockets are often used when a large oil storage space is required. K-type oil pockets are mainly used for linear reciprocating sliding friction movement.
Figure 4 lubricating oil hole
Table 4 Lubrication hole size
T2 d2 e1 e2 r2
1.6 6 8 1.8 6.5
2.5 8 15 2.8 14
4 10 24 4.5 20
6 12 35 6.3 30
3.4.2 Marking
Example. K-type lubricating oil hole, oil hole depth t2 = 2.5mm, marked as follows.
Lubricating oil hole GB/T 35087-K2.5
3.5 Design
The tolerance for unfilled tolerances shall be in accordance with the “c” tolerance in ISO 2768-1. The maximum size of the chamfer at the corner should be 0.5mm or
Rounded. Sharp corner transitions at the sliding surface should be avoided.
In addition to plain bearings made of carbon material, the location of the oil holes, oil grooves and oil pockets should not be located in the bearing bearing area. Usually oil tanks and oil pockets
It should not be opened in the axial direction. The shape of the oil sump or oil pocket should be determined by the manufacturer.
Note. When lubricating oil grooves and oil pockets are processed on sliding bearings made of materials with high toughness and hardness, the bottom of the oil tank is allowed to appear without affecting the sliding...
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Historical versions: GB/T 35087-2018
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GB/T 35087-2018: Plain bearings -- Lubrication holes, grooves and pockets -- Dimensions, types, designation and their application to bearing bushes
GB/T 35087-2018
Plain bearings--Lubrication holes, grooves and pockets--Dimensions, types, designation and their application to bearing bushes
ICS 21.100.10
J12
National Standards of People's Republic of China
Sliding bearing bushings for oil holes, oil grooves and oil pockets
Size, pattern, marking and its application
(ISO 12128.2001, IDT)
Published on.2018-05-14
2018-12-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard uses the translation method equivalent to ISO 12128.2001 "sliding bearing bushing oil hole, oil groove and oil hole size, type, standard
Remember and its application.
The documents of our country that have a consistent correspondence with the international documents referenced in this standard are as follows.
---GB/T 1804-2000 Tolerance of linear and angular dimensions for general tolerances without tolerances (eqvISO 2768-1.1989)
This standard has made the following editorial changes.
--- Added in the scope of Chapter 1 "Note. Since the bushing made of sintered metal itself contains lubricant, this standard does not specify its lubricant
Supply and distribution methods. Bushings made of carbon do not require lubrication with lubricating oil or grease. ".
This standard was proposed by the China Machinery Industry Federation.
This standard is under the jurisdiction of the National Sliding Bearing Standardization Technical Committee (SAC/TC236).
This standard is drafted by. China Machine Productivity Promotion Center.
Participated in the drafting of this standard. Zhejiang Changsheng Sliding Bearing Co., Ltd., Zhejiang Shuangfei Oilless Bearing Co., Ltd., Zhejiang Zhongzhong
Precision Components Co., Ltd., Jiashan Fengcheng Sanfu Bearing Co., Ltd., Linan Dongfang Sliding Bearing Co., Ltd.
This standard is interpreted by the National Standardization Technical Committee for Plain Bearings.
Sliding bearing bushings for oil holes, oil grooves and oil pockets
Size, pattern, marking and its application
1 Scope
This standard specifies the size of the lubricating oil hole, oil groove and oil pocket of the bushing. These dimensions can be labeled with the marking method specified in the example
On the drawing. The use of lubrication holes, oil grooves, and oil pockets depends on the specific operating conditions.
In addition, this standard allows bushings made of copper alloys, thermosets, thermoplastics or carbon materials to be supplied with different lubricants and
Allocation.
Note. Since the bushing made of sintered metal itself contains lubricant, this standard does not specify the way the lubricant is supplied and distributed. Bushing made of carbon material is not required
Lubricate the oil or grease.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 18324-2001 Plain bearing copper alloy bushings (ISO 4379.1993, IDT)
ISO 2768-1.1989 General tolerances Part 1. Tolerances to linear and angular dimensions without tolerances (Generaltolerances-
Part 1. Tolerancesforlinearandangulardimensionswithoutindividualtoleranceindications)
3 sizes, patterns and markings
3.1 Overview
The size of the lubrication holes, oil grooves and oil pockets is related to the wall thickness s of the bearing. The given size d1 should only be used as a reference size.
All dimensions are in mm.
3.2 Lubricating oil hole
3.2.1 Dimensions and types
The size and type of the lubrication hole are shown in Figure 1 and Table 1.
Lubricating oil holes provide lubrication with oil grooves and oil pockets. When the lubrication of a certain lubrication point can meet the requirements, the lubricating oil hole and oil can be omitted.
Slot or oil pocket.
Figure 1 Lubricating oil hole
Table 1 Lubricating oil hole size
D2 2.5 3 4 5 6 8 10 12
T1 1 1.5 2 2.5 3 4 5 6
D3
Type A 4.5 6 8 10 12 16 20 24
Type B 6 8.2 10.8 13.6 16.2 21.8 27.2 32.6
> - 2- 2.5 3 4 5 7.5 10
≤ 2 2.5 3 4 5 7.5 10 -
D1 nominal d1 ≤ 30 30 \u003cd1≤100 d1\u003e 100
3.2.2 Marking
Example. Type A lubricant hole, oil hole diameter d2 = 3mm, marked as follows.
Lubricating oil hole GB/T 35087-A3
3.3 Lubricating oil tank
3.3.1 Size and type
The size and type of lubricating oil tank are shown in Figure 2, Figure 3 and Table 2 and Table 3.
Lubricating oil tanks are mainly used for plain bearings. C, D, E type oil tanks are usually used together with H type (circumferential oil grooves), mainly for non-ferrous metals,
In plain bearings made of steel, cast iron or plastic. F and G oil grooves are mainly used for sliding bearings made of carbon materials.
Type J oil sump is a narrow mixing oil tank, usually used for grease lubrication. For easy processing and avoiding burrs, all sharp corners can be made small
Chamfer or rounded corners.
Note. For ease of manufacture, the dimensions of the remaining wall thickness of the bearing in the oil groove can be marked on the drawing as the control size.
Figure 2 Lubricating oil tank
Table 2 Lubricating oil tank size
T2 e1 e2 r1 r2 y α s d1
Type type type type type
C~JD, EJGHCDFJCJJJ > ≤ C~HJ
0.4 3 3 1.2 3 1.5 1.5 1 1 1.5 1 1.5 28° - 1
0.6 4 4 1.6 3 1.5 1.5 1 1.5 2 1.5 2.1 25° 1 1.5
0.8 5 5 1.8 3 1.5 2.5 1 1.5 3 1.5 2.2 25° 1.5 2
1 8 6 2 4 2 4 1.5 2 4.5 2 2.8 22° 2 2.5
D1≤
1.2 10.5 6 2.5 5 2.5 6 2 2 6 2 2.6 22° 2.5 3
1.6 14 7 3.5 6 3 8 3 2.5 9 2.5 2.6 20° 3 4
2 19 8 4.5 8 4 12 4 2.5 12 2.5 2.8 20° 4 5
D1≤
2.5 28 8 7.5 10 5 20 5 3 15 3 3 20° 5 7.5
3.2 38 - 11 12 7 28 7 - 21 - - - 7.5 10
4 49 - 14 15 9 35 9 - 27 - - - 10 -
D1>
a Rounded.
Figure 3 Lubrication tank with closed end
Table 3 margin a size
b Nominal 15≤b≤30 30 \u003cb≤60 60\u003cb≤100 b\u003e 100
a 3 4 6 10
3.3.2 Marking
Example. D-type lubricating oil tank, oil tank depth t2 = 0.8mm, marked as follows.
Lubricating oil tank GB/T 35087-D0.8
3.4 Lubricating oil
3.4.1 Size and type
The size and type of the lubricating hole are shown in Figure 4 and Table 4.
Lubricating oil pockets are often used when a large oil storage space is required. K-type oil pockets are mainly used for linear reciprocating sliding friction movement.
Figure 4 lubricating oil hole
Table 4 Lubrication hole size
T2 d2 e1 e2 r2
1.6 6 8 1.8 6.5
2.5 8 15 2.8 14
4 10 24 4.5 20
6 12 35 6.3 30
3.4.2 Marking
Example. K-type lubricating oil hole, oil hole depth t2 = 2.5mm, marked as follows.
Lubricating oil hole GB/T 35087-K2.5
3.5 Design
The tolerance for unfilled tolerances shall be in accordance with the “c” tolerance in ISO 2768-1. The maximum size of the chamfer at the corner should be 0.5mm or
Rounded. Sharp corner transitions at the sliding surface should be avoided.
In addition to plain bearings made of carbon material, the location of the oil holes, oil grooves and oil pockets should not be located in the bearing bearing area. Usually oil tanks and oil pockets
It should not be opened in the axial direction. The shape of the oil sump or oil pocket should be determined by the manufacturer.
Note. When lubricating oil grooves and oil pockets are processed on sliding bearings made of materials with high toughness and hardness, the bottom of the oil tank is allowed to appear without affecting the sliding...
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