Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard replaces JB/T 5303-2002 Insert bearing units—Supplementary structure—Boundary dimensions and the following main technical changes have been made with respect to JB/T 5303-2002:
——The standard name is modified (see cover and front page hereof; cover and front page of Edition 2002);
——The font and part of definition of the symbol are modified (see Clause 4 hereof; Clause 3 of Edition 2002);
——The clauses “Terms and definitions” and “code”are added (see Clauses 3 and 5);
——The dimension range of bearing units with highly centered plummer block housing,bearing units with narrow plummer block housing, bearing units with adjustable oval housing and bearing units with suspended housing is expanded (see Tables 1 to 4 hereof, Tables 1 to 4 of Edition 2002);
-——The B3 dimension of H3 series tightening sleeve for bearing units with tapered bore housing is added (see Tables 1 to 5);
——201S to 203S bearing unit models and boundary dimensions are added (see Tables 1 to 5);
——Dimension J for some models of bearing units with adjustable oval housings (see Table 3 hereof; Table 3 in Edition 1995);
——The maximum limit boundary dimensions of bearing units units with highly centered plummer block housing,bearing units with narrow plummer block housings, bearing units with adjustable oval housing, bearing units with suspended housing and bearing units with overhung housing have are modified (see Tables 1 to 5 hereof; Tables 1 to 5 of Edition 2002);
——Symbols, structural types and boundary dimensions of bearing units with light oval housings are added (see 4.3, Figure 19, Figure 20 and Table 7);
——The clauses "Type" and “Boundary dimension" are merged into one clause, and "General" is added into this clause (see Clause 7 hereof; Clauses 3 and 5 of Edition 2002);
——"Correspondence between insert bearing unit with bearing and bearing housing” is added (see Annex A);
——"Bibliography" is added (see Bibliography).
This standard was proposed by the China Machinery Industry Federation.
This standard is under jurisdication of the National Technical Committee on Rolling Bearing of Standardization Administration of China (SAC/TC 98).
The previous editions of this standard are as follows:
——JB/T 5303-1991 and JB/T 5303-2002.
Rolling bearings—Supplementary structure of insert bearing units—Boundary dimensions
1 Scope
This standard specifies the structural type and boundary dimensions of insert bearing units (hereinafter referred to as “bearing units”) not specified in GB/T 7810-2017.
This standard is applicable to the design and model selection of Series 2 bearing units with highly centered plummer block housing, Series 2 bearing units with narrow plummer block housings, Series 2 bearing units with adjustable oval housing, Series 2 bearing units with suspended housing, Series 2 bearing units with overhung housing, Series 2 bearing unit with light oval housing and Series 3 bearing unit with flanged square housing.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 3882-2017 Rolling bearings—Insert bearings and eccentric locking collars— Boundary dimensions
GB/T 6930-2002 Rolling bearings—Vocabulary
GB/T7811—2015 Rolling bearings—Symbols for physical quantities
GB/T 27554-2011 Rolling bearings—Insert bearing units—Identification code
JB/T 5302-2019 Rolling bearings—Supplementary structure of housings for insert bearings—Boundary dimensions
3 Terms and definitions
For the purpose of this document, the terms and definitions given in GB/T 6930-2002 apply.
4 Symbols
4.1 General
For the purposes of this document, the symbols given in GB/T 7811-2015, Sub-clause 4.2 to 4.6 in this standard and the following apply.
The symbols (except those for tolerances) shown in Figures 1 to 20 and the values given in Tables 1 to 7 denote nominal dimensions unless specified otherwise.
Note: Figures 1 to 20 are drawn schematically and do not necessarily show all structural details. The grease nipple positions in Figures 1 to 20 are examples. Other positions are at the discretion of the manufacturer.
B: Width of inner ring of bearing units
B1: Overall width of inner ring of bearing units including eccentric locking collar
B3: Width of adapter sleeve
d: Bore diameter of bearing units and of eccentric locking collar
d0: Bore diameter of adapter sleeve
S: distance from centre of raceway to face of inner ring on side opposite locking device.
4.2 Bearing units with highly centered plummer block housings and bearing units with narrow plummer block housings
A: (pverall) width of base
H: distance from the mounting base to the center of the spherical diameter;
H0: height(total height);
J: center distance between bolt holes
L: (overall) length of base
4.3 Bearing units with adjustable oval housinga, bearing unita with light oval housings
A: (overall) height
A2: the distance from the mounting base to the center of the spherical diameter;
H: height of flange
J: center distance between bolt holes
L: (overall) width.
4.4 Bearing units with suspended housings
A: (overall) height
A2: distance from the mounting base to the center of the spherical diameter;
H0: height of flange
L: (overall) width.
4.5 Bearing units with overhung housings
C: horizontal distance from the center of the spherical diameter to the axis of the overhung screw hole;
H: distance from the center of the spherical diameter to the top of the suspension;
H0 (overall) height;
L: (overall) width.
4.6 Bearings with flanged square housing
A: (overall) height
A2: distance from the center of the spherical diameter to the mounting base;
D1: flanged diameter;
J: center distance between bolt holes
L: (overall) length.
5 Code
For the purpose of this document, the codes given in GB/T 27554-2011 and JB/T 5302-2019 apply.
6 Designation example
Insert bearing unit UCPH 205 GB/T 5303-2019
7 Structural type and boundary dimension
7.1 General
Where “max.” is shown in Tables 1 to 7, this indicates that the value is both the nominal value and the largest actual value permitted. Where “min.” is shown in Tables 1 to 7, this indicates that the value is both the nominal value and the smallest actual value permitted.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
4.1 General
4.2 Bearing units with highly centered plummer block housings and bearing units with narrow plummer block housings
4.3 Bearing units with adjustable oval housinga, bearing unita with light oval housings
4.4 Bearing units with suspended housings
4.5 Bearing units with overhung housings
4.6 Bearings with flanged square housing
5 Code
6 Designation example
7 Structural type and boundary dimension
7.1 General
7.2 Type
7.3 Boundary dimension
Annex A (Informative) Correspondence between bearing unit and bearing and bearing housing
A.1 Appropriate codes for various structural types of bearing units
A.2 Correspondence between insert bearing unit and bearing and bearing housing
Bibliography
Figure 1 Bearing unit with highly centered plummer block housing and set screw (UCPH)
Figure 2 Bearing unit with highly centered plummer block housing and adapter sleeve (UKP+H)
Figure 3 Bearing unit with plummer block housing and eccentric locking collar (UELPH)
Figure 4 Bearing unit with plummer block housing and set screw (UCPA)
Figure 5 Bearing unit with narrow plummer block housing and adapter sleeve (UKPA+H)
Figure 6 Bearings unit with plummer block housing and eccentric locking collar (UELPA)
Figure 7 Bearing unit with adjustable oval housing and set screw (UCFA)
Figure 8 Bearing unit with adjustable oval housing and adapter sleeve (UKFA+H)
Figure 9 Bearing unit with adjustable oval housing and eccentric locking collar (UELFLU)
Figure 10 Bearing unit with suspended housing and set screw (UCFB)
Figure 11 Bearing unit with suspended housing and adapter sleeve (UKFB+H)
Figure 12 Bearing unit with suspended housing and eccentric locking collar (UELFB)
Figure 13 Bearing unit with overhung housing and set screw (UCHA)
Figure 14 Bearing unit with overhung housing and adapter sleeve (UKHA+H)
Figure 15 Bearing unit with overhung housing and eccentric locking collar (UELHA)
Figure 16 Bearing unit with flanged housing and set screw (UCFS)
Figure 17 Bearing unit with flanged housing and adapter sleeve (UKFS+H)
Figure 18 Bearing unit with flanged housing and eccentric locking collar (UELFS)
Figure 19 Bearing unit with light oval housing and set screw (UBFD)
Figure 20 Bearing unit with light oval housing and eccentric locking collar (UEFD)
Table 1 Bearing units with highly centered plummer block housing —Series
Table 2 Bearing units with narrow plummer block housings —Series
Table 3 Bearing units with the adjustable oval housings — Series
Table 4 Bearing units with suspended housings — Series
Table 5 Bearing units with overhung housings — Series
Table 6 Bearing units with flanged square housings — Series
Table 7 Bearing units with light oval housings — Series
Table A.1 Appropriate codes for various structural types of bearing units
Table A.2 Correspondence between bearing unit with highly centered plummer block housing and bearing and bearing housing
Table A.3 Correspondence between bearing units with flanged square housings and bearing and bearing housings
Table A.4 Correspondence between bearing with light oval housings and bearing and bearing housings
ICS 21.100.20
J 11
JB
中华人民共和国机械行业标准
JB／T 5303—2019
代替JB／T 5303—2002
滚动轴承 带座外球面球轴承补充结构外形尺寸
Rolling bearings—Supplementary structure of insert bearing units—Boundary dimensions
2019-08-02发布 2020-04-01实施
中华人民共和国工业和信息化部 发布
前言
本标准按照GB／T 1.1—2009给出的规则起草。
本标准代替JB／T 5303—2002《带座外球面球轴承 补充结构 外形尺寸》，与JB／T 5303—2002相比主要技术变化如下：
——修改了标准的名称(见封面和首页，2002年版的封面和首页)；
——修改了符号的字体及部分符号的定义(见第4章，2002年版的第3章)；
——增加了“术语和定义”“代号”(见第3章、第5章)；
——扩大了带高中心立式座轴承、带窄立式座轴承、带可调菱形座轴承、带悬挂式座轴承的尺寸范围(见表1～表4，2002 年版的表1～表4)；
——增加了锥孔型带座轴承配用的H3系列紧定套的B3尺寸(见表1～表5)；
——增加了201S～203S带座轴承的型号和外形尺寸(见表1～表5)；
——修改了带可调菱形座轴承部分型号的J尺寸(见表3，1995 年版的表3)；
——修改了带高中心立式座轴承、带窄立式座轴承、带可调菱形座轴承、带悬挂式座轴承、带悬吊式座轴承的最大极限外形尺寸(见表1～表5，2002年版的表1～表5)；
——增加了带轻型菱形座轴承的符号、结构型式和外形尺寸(见4.3、图19、图20、表7)；
——将“型式”和“外形尺寸”章合并为一章，并在该章节中增加了“总则”(见第7章，2002年版的第3章、第5章)；
——增加了“带座轴承与轴承、轴承座的配套关系”(见附录A)；
——增加了参考文献(见参考文献)。
本标准由中国机械工业联合会提出。
本标准由全国滚动轴承标准化技术委员会(SACTC 98)归口。
本标准所代替标准的历次版本发布情况为：
——JB／T 5303—1991、JB／T 5303—2002。
滚动轴承 带座外球面球轴承补充结构 外形尺寸
1 范围
本标准规定了GB／T 7810—2017中未规定的带座外球面球轴承(以下简称带座轴承)的结构型式和外形尺寸。
本标准适用于2系列的带高中心立式座轴承、带窄立式座轴承、带可调菱形座轴承、带悬挂式座轴承、带悬吊式座轴承、带轻型菱形座轴承和3系列的带凸台方形座轴承的设计和选型。
2 规范性引用文件
下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件，仅注日期的版本适用于本文件。凡是不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。
GB／T 3882—2017 滚动轴承 外球面球轴承和偏心套 外形尺寸
GB／T 6930—2002 滚动轴承 词汇
GB／T7811—2015 滚动轴承 参数符号
GB／T 27554—2011 滚动轴承 带座外球面球轴承 代号方法
JB／T 5302—2019 滚动轴承 外球面球轴承座补充结构 外形尺寸
3 术语和定义
GB／T 6930—2002 界定的术语和定义适用于本文件。
4 符号
4.1 总则
GB／T 7811—2015和本标准4.2～4.6给出的以及下列符号适用于本文件。
除另有说明外，本标准图1～图20中所示符号(公差符号除外)和表1～表7中所列数值均表示公称尺寸。
注：图1～图20仅为示意图，未显示所有结构细节。图1～图20中给出的润滑嘴的位置只是一种示例，制造厂也可采用其他位置。
B：带座轴承内圈宽度；
B1：带偏心套的带座轴承内圈总宽度；
B3：紧定套宽度；
d：带座轴承和偏心套内径；
d0：紧定套内径；
S：紧固装置另一端内圈端面到滚道中心的距离。
4.2 带高中心立式座轴承、带窄立式座轴承
A：座底宽度(总宽)；
H：安装平面到球径中心的距离；
H0：高度(总高)；
J：螺栓孔中心距；
L：座底长度(总长)。
4.3 带可调菱形座轴承、带轻型菱形座轴承
A：高度(总高)；
A2：安装平面到球径中心的距离；
H：凸缘长度；
J：螺栓孔中心距；
L：宽度(总宽)。
4.4 带悬挂式座轴承
A：高度(总高)；
A2：安装平面到球径中心的距离；
H0：凸缘长度；
L：宽度(总宽)。
4.5 带悬吊式座轴承
C：球径中心到悬吊螺孔轴线的水平方向距离；
H：球径中心到悬吊顶端的距离；
H0高度(总高)；
L：宽度(总宽)。
4.6 台方形座轴承
A：高度(总高)；
A2：球径中心到安装平面的距离；
D1：凸台直径；
J：螺栓孔中心距；
L：长度(总长)。
5 代号
GB／T 27554—2011和JB／T 5302—2019给出的代号适用于本文件。
6 标记示例
带座外球面球轴承 UCPH 205 JB／T 5303—2019
7 结构型式和外形尺寸
7.1 总则
表1～表7中的“max”表示该值既是公称值，又是允许的最大实测值。表1～表7中的“min”表示该值既是公称值，又是允许的最小实测值。
7.2 结构型式
本标准给出的带座轴承由GB／T 3882—2017规定的外球面球轴承和JB／T 5302—2019规定的外球面球轴承座组合而成，其配套关系参见本标准附录A，其结构型式有：
——带高中心立式座轴承(见图1～图3)；
——带窄立式座轴承(见图4～图6)；
——带可调菱形座轴承(见图7～图9)；
——带悬挂式座轴承(见图10～图12)；
——带悬吊式座轴承(见图13～图15)；
——带凸台方形座轴承(见图16～图18)；
——带轻型菱形座轴承(见图19～图20)。
图1 带高中心立式座顶丝外球面球轴承(UCPH型)
图2 带高中心立式座紧定套外球面球轴承(UKPH＋H型)
图3 带高中心立式座偏心套外球面球轴承(UELPH型)
图4 带窄立式座顶丝外球面球轴承(UCPA型)
图5 带窄立式座紧定套外球面球轴承(UKPA＋H型)
图6 带窄立式座偏心套外球面球轴承(UELPA型)
图7 带可调菱形座顶丝外球面球轴承(UCFA型)
图8 带可调菱形座紧定套外球面球轴承(UKFA＋H型)
图9 带可调菱形座偏心套外球面球轴承(UELFA型)
图10 带悬挂式座顶丝外球面球轴承(UCFB型)
图11 带悬挂式座紧定套外球面球轴承 (UKFB＋H型)
图12 带悬挂式座偏心套外球面球轴承 (UELFB型)
图13 带悬吊式座顶丝外球面球轴承(UCHA型)
图14 带悬吊式座紧定套外球面球轴承(UKHA＋H型)
图15 带悬吊式座偏心套外球面球轴承(UELHA型)
图16 带凸台方形座顶丝外球面球轴承(UCFS型)
图17 带凸台方形座紧定套外球面球轴承(UKFS＋H型)
图18 带凸台方形座偏心套外球面球轴承(UELFS型)
图19 带轻型菱形座顶丝外球面球轴承(UBFD型)
图20 带轻型菱形座偏心套外球面球轴承(UEFD型)
7.3 外形尺寸
7.3.1 带高中心立式座轴承的外形尺寸按表1的规定。
表1 带高中心立式座轴承—2系列
单位为毫米
带座轴承型号 d d0 B
max B1
max B3 S L
max A
max J H H0
max
UCPH型 UKPH型 UELPH型 配用的紧定套 UC型 UEL型
H3
系列 H23
系列
7.3.2 带窄立式座轴承的外形尺寸按表2的规定。
表2 带窄立式座轴承—2系列
单位为毫米
带座轴承型号 d d0 B
max B1
max B3 S L
max A
max J H H0
max
UCPA型 UKPA型 UELPA型 配用的紧定套 UC型 UEL型
H3
系列 H23
系列
7.3.3 带可调菱形座轴承的外形尺寸按表3的规定。
表3 带可调菱形座轴承—2系列
单位为毫米
带座轴承型号 d d0 B
max B1
max B3 S H
max L
max A
max J A2
UCFA型 UKFA型 UELFA型 配用的紧定套 UC型 UEL型
H3
系列 H23
系列
7.3.4 带悬挂式座轴承的外形尺寸按表4的规定。
表4 带悬挂式座轴承—2系列
单位为毫米
带座轴承型号 d d0 B
max B1
max B3 S H0
max L
max A
max A2
UCFB型 UKFB型 UELFB型 配用的紧定套 UC型 UEL型
H3
系列 H23
系列
7.3.5 带悬吊式座轴承的外形尺寸按表5的规定。
表5 带悬吊式座轴承—2系列
单位为毫米
带座轴承型号 d d0 B
max B1
max B3 S C H H0
max L
max
UCHA型 UKHA型 UELHA型 配用的紧定套 UC型 UEL型
H3
系列 H23
系列
7.3.6 带凸台方形座轴承的外形尺寸按表6的规定。
表6 带凸台方形座轴承—3系列
单位为毫米
带座轴承型号 d d0 B
max B1
max B3 S L
max A
max J A2 D1
UCFS型 UKFS型 UELFS型 配用的紧定套 UC型 UEL型
H23系列
7.3.7 带轻型菱形座轴承的外形尺寸按表7的规定。
表7 带轻型菱形座轴承—2系列
单位为毫米
带座轴承型号 d B
max B1
max S H
max L
max A
max J A2
UBFD型 UEFD型 UB型 UE型
附录A
(资料性附录)
带座轴承与轴承、轴承座的配套关系
A.1 各种结构型式带座轴承的对应代号
各种结构型式带座轴承的对应代号参见表A.1。
表A.1 各种结构型式带座轴承的对应代号
带顶丝型 锥孔型 带偏心套型
带座轴承 轴承 轴承座 带座轴承 轴承 轴承座 带座轴承 轴承 轴承座
A.2 带座轴承与轴承、轴承座的配套关系
A.2.1 带高中心立式座轴承与轴承、轴承座的配套关系参见表A.2。带窄立式座轴承、带可调菱形座轴承、带悬挂式座轴承、带悬吊式座轴承与轴承、轴承座的配套关系也可参照表A.2。
表A.2 带高中心立式座轴承与轴承、轴承座的配套关系
UCPH型 UKPH型 UELPH型
带座轴承型号 轴承型号 轴承座型号 带座轴承型号 轴承型号 轴承座型号 带座轴承型号 轴承型号 轴承座型号
A.2.2 带凸台方形座轴承与轴承、轴承座的配套关系参见表A.3。
表A.3 带凸台方形座轴承与轴承、轴承座的配套关系
UCFS型 UKFS型 UELFS型
带座轴承型号 轴承型号 轴承座型号 带座轴承型号 轴承型号 轴承座型号 带座轴承型号 轴承型号 轴承座型号
A.2.3 带轻型菱形座轴承与轴承、轴承座的配套关系参见表A.4。
表A.4 带轻型菱形座轴承与轴承、轴承座的配套关系
UBFD型 UEFD型
带座轴承型号 轴承型号 轴承座型号 带座轴承型号 轴承型号 轴承座型号
参考文献
[1] GB／T 7810—2017 滚动轴承 带座外球面球轴承 外形尺寸
