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
中華人民共和國(guó)機(jī)械行業(yè)標(biāo)準(zhǔn)
JB／T 5303—2019
代替JB／T 5303—2002
滾動(dòng)軸承 帶座外球面球軸承補(bǔ)充結(jié)構(gòu)外形尺寸
Rolling bearings—Supplementary structure of insert bearing units—Boundary dimensions
2019-08-02發(fā)布 2020-04-01實(shí)施
中華人民共和國(guó)工業(yè)和信息化部 發(fā)布
前言
本標(biāo)準(zhǔn)按照GB／T 1.1—2009給出的規(guī)則起草。
本標(biāo)準(zhǔn)代替JB／T 5303—2002《帶座外球面球軸承 補(bǔ)充結(jié)構(gòu) 外形尺寸》，與JB／T 5303—2002相比主要技術(shù)變化如下：
——修改了標(biāo)準(zhǔn)的名稱(chēng)(見(jiàn)封面和首頁(yè)，2002年版的封面和首頁(yè))；
——修改了符號(hào)的字體及部分符號(hào)的定義(見(jiàn)第4章，2002年版的第3章)；
——增加了“術(shù)語(yǔ)和定義”“代號(hào)”(見(jiàn)第3章、第5章)；
——擴(kuò)大了帶高中心立式座軸承、帶窄立式座軸承、帶可調(diào)菱形座軸承、帶懸掛式座軸承的尺寸范圍(見(jiàn)表1～表4，2002 年版的表1～表4)；
——增加了錐孔型帶座軸承配用的H3系列緊定套的B3尺寸(見(jiàn)表1～表5)；
——增加了201S～203S帶座軸承的型號(hào)和外形尺寸(見(jiàn)表1～表5)；
——修改了帶可調(diào)菱形座軸承部分型號(hào)的J尺寸(見(jiàn)表3，1995 年版的表3)；
——修改了帶高中心立式座軸承、帶窄立式座軸承、帶可調(diào)菱形座軸承、帶懸掛式座軸承、帶懸吊式座軸承的最大極限外形尺寸(見(jiàn)表1～表5，2002年版的表1～表5)；
——增加了帶輕型菱形座軸承的符號(hào)、結(jié)構(gòu)型式和外形尺寸(見(jiàn)4.3、圖19、圖20、表7)；
——將“型式”和“外形尺寸”章合并為一章，并在該章節(jié)中增加了“總則”(見(jiàn)第7章，2002年版的第3章、第5章)；
——增加了“帶座軸承與軸承、軸承座的配套關(guān)系”(見(jiàn)附錄A)；
——增加了參考文獻(xiàn)(見(jiàn)參考文獻(xiàn))。
本標(biāo)準(zhǔn)由中國(guó)機(jī)械工業(yè)聯(lián)合會(huì)提出。
本標(biāo)準(zhǔn)由全國(guó)滾動(dòng)軸承標(biāo)準(zhǔn)化技術(shù)委員會(huì)(SACTC 98)歸口。
本標(biāo)準(zhǔn)所代替標(biāo)準(zhǔn)的歷次版本發(fā)布情況為：
——JB／T 5303—1991、JB／T 5303—2002。
滾動(dòng)軸承 帶座外球面球軸承補(bǔ)充結(jié)構(gòu) 外形尺寸
1 范圍
本標(biāo)準(zhǔn)規(guī)定了GB／T 7810—2017中未規(guī)定的帶座外球面球軸承(以下簡(jiǎn)稱(chēng)帶座軸承)的結(jié)構(gòu)型式和外形尺寸。
本標(biāo)準(zhǔn)適用于2系列的帶高中心立式座軸承、帶窄立式座軸承、帶可調(diào)菱形座軸承、帶懸掛式座軸承、帶懸吊式座軸承、帶輕型菱形座軸承和3系列的帶凸臺(tái)方形座軸承的設(shè)計(jì)和選型。
2 規(guī)范性引用文件
下列文件對(duì)于本文件的應(yīng)用是必不可少的。凡是注日期的引用文件，僅注日期的版本適用于本文件。凡是不注日期的引用文件，其最新版本(包括所有的修改單)適用于本文件。
GB／T 3882—2017 滾動(dòng)軸承 外球面球軸承和偏心套 外形尺寸
GB／T 6930—2002 滾動(dòng)軸承 詞匯
GB／T7811—2015 滾動(dòng)軸承 參數(shù)符號(hào)
GB／T 27554—2011 滾動(dòng)軸承 帶座外球面球軸承 代號(hào)方法
JB／T 5302—2019 滾動(dòng)軸承 外球面球軸承座補(bǔ)充結(jié)構(gòu) 外形尺寸
3 術(shù)語(yǔ)和定義
GB／T 6930—2002 界定的術(shù)語(yǔ)和定義適用于本文件。
4 符號(hào)
4.1 總則
GB／T 7811—2015和本標(biāo)準(zhǔn)4.2～4.6給出的以及下列符號(hào)適用于本文件。
除另有說(shuō)明外，本標(biāo)準(zhǔn)圖1～圖20中所示符號(hào)(公差符號(hào)除外)和表1～表7中所列數(shù)值均表示公稱(chēng)尺寸。
注：圖1～圖20僅為示意圖，未顯示所有結(jié)構(gòu)細(xì)節(jié)。圖1～圖20中給出的潤(rùn)滑嘴的位置只是一種示例，制造廠(chǎng)也可采用其他位置。
B：帶座軸承內(nèi)圈寬度；
B1：帶偏心套的帶座軸承內(nèi)圈總寬度；
B3：緊定套寬度；
d：帶座軸承和偏心套內(nèi)徑；
d0：緊定套內(nèi)徑；
S：緊固裝置另一端內(nèi)圈端面到滾道中心的距離。
4.2 帶高中心立式座軸承、帶窄立式座軸承
A：座底寬度(總寬)；
H：安裝平面到球徑中心的距離；
H0：高度(總高)；
J：螺栓孔中心距；
L：座底長(zhǎng)度(總長(zhǎng))。
4.3 帶可調(diào)菱形座軸承、帶輕型菱形座軸承
A：高度(總高)；
A2：安裝平面到球徑中心的距離；
H：凸緣長(zhǎng)度；
J：螺栓孔中心距；
L：寬度(總寬)。
4.4 帶懸掛式座軸承
A：高度(總高)；
A2：安裝平面到球徑中心的距離；
H0：凸緣長(zhǎng)度；
L：寬度(總寬)。
4.5 帶懸吊式座軸承
C：球徑中心到懸吊螺孔軸線(xiàn)的水平方向距離；
H：球徑中心到懸吊頂端的距離；
H0高度(總高)；
L：寬度(總寬)。
4.6 臺(tái)方形座軸承
A：高度(總高)；
A2：球徑中心到安裝平面的距離；
D1：凸臺(tái)直徑；
J：螺栓孔中心距；
L：長(zhǎng)度(總長(zhǎng))。
5 代號(hào)
GB／T 27554—2011和JB／T 5302—2019給出的代號(hào)適用于本文件。
6 標(biāo)記示例
帶座外球面球軸承 UCPH 205 JB／T 5303—2019
7 結(jié)構(gòu)型式和外形尺寸
7.1 總則
表1～表7中的“max”表示該值既是公稱(chēng)值，又是允許的最大實(shí)測(cè)值。表1～表7中的“min”表示該值既是公稱(chēng)值，又是允許的最小實(shí)測(cè)值。
7.2 結(jié)構(gòu)型式
本標(biāo)準(zhǔn)給出的帶座軸承由GB／T 3882—2017規(guī)定的外球面球軸承和JB／T 5302—2019規(guī)定的外球面球軸承座組合而成，其配套關(guān)系參見(jiàn)本標(biāo)準(zhǔn)附錄A，其結(jié)構(gòu)型式有：
——帶高中心立式座軸承(見(jiàn)圖1～圖3)；
——帶窄立式座軸承(見(jiàn)圖4～圖6)；
——帶可調(diào)菱形座軸承(見(jiàn)圖7～圖9)；
——帶懸掛式座軸承(見(jiàn)圖10～圖12)；
——帶懸吊式座軸承(見(jiàn)圖13～圖15)；
——帶凸臺(tái)方形座軸承(見(jiàn)圖16～圖18)；
——帶輕型菱形座軸承(見(jiàn)圖19～圖20)。
圖1 帶高中心立式座頂絲外球面球軸承(UCPH型)
圖2 帶高中心立式座緊定套外球面球軸承(UKPH＋H型)
圖3 帶高中心立式座偏心套外球面球軸承(UELPH型)
圖4 帶窄立式座頂絲外球面球軸承(UCPA型)
圖5 帶窄立式座緊定套外球面球軸承(UKPA＋H型)
圖6 帶窄立式座偏心套外球面球軸承(UELPA型)
圖7 帶可調(diào)菱形座頂絲外球面球軸承(UCFA型)
圖8 帶可調(diào)菱形座緊定套外球面球軸承(UKFA＋H型)
圖9 帶可調(diào)菱形座偏心套外球面球軸承(UELFA型)
圖10 帶懸掛式座頂絲外球面球軸承(UCFB型)
圖11 帶懸掛式座緊定套外球面球軸承 (UKFB＋H型)
圖12 帶懸掛式座偏心套外球面球軸承 (UELFB型)
圖13 帶懸吊式座頂絲外球面球軸承(UCHA型)
圖14 帶懸吊式座緊定套外球面球軸承(UKHA＋H型)
圖15 帶懸吊式座偏心套外球面球軸承(UELHA型)
圖16 帶凸臺(tái)方形座頂絲外球面球軸承(UCFS型)
圖17 帶凸臺(tái)方形座緊定套外球面球軸承(UKFS＋H型)
圖18 帶凸臺(tái)方形座偏心套外球面球軸承(UELFS型)
圖19 帶輕型菱形座頂絲外球面球軸承(UBFD型)
圖20 帶輕型菱形座偏心套外球面球軸承(UEFD型)
7.3 外形尺寸
7.3.1 帶高中心立式座軸承的外形尺寸按表1的規(guī)定。
表1 帶高中心立式座軸承—2系列
單位為毫米
帶座軸承型號(hào) d d0 B
max B1
max B3 S L
max A
max J H H0
max
UCPH型 UKPH型 UELPH型 配用的緊定套 UC型 UEL型
H3
系列 H23
系列
7.3.2 帶窄立式座軸承的外形尺寸按表2的規(guī)定。
表2 帶窄立式座軸承—2系列
單位為毫米
帶座軸承型號(hào) d d0 B
max B1
max B3 S L
max A
max J H H0
max
UCPA型 UKPA型 UELPA型 配用的緊定套 UC型 UEL型
H3
系列 H23
系列
7.3.3 帶可調(diào)菱形座軸承的外形尺寸按表3的規(guī)定。
表3 帶可調(diào)菱形座軸承—2系列
單位為毫米
帶座軸承型號(hào) d d0 B
max B1
max B3 S H
max L
max A
max J A2
UCFA型 UKFA型 UELFA型 配用的緊定套 UC型 UEL型
H3
系列 H23
系列
7.3.4 帶懸掛式座軸承的外形尺寸按表4的規(guī)定。
表4 帶懸掛式座軸承—2系列
單位為毫米
帶座軸承型號(hào) d d0 B
max B1
max B3 S H0
max L
max A
max A2
UCFB型 UKFB型 UELFB型 配用的緊定套 UC型 UEL型
H3
系列 H23
系列
7.3.5 帶懸吊式座軸承的外形尺寸按表5的規(guī)定。
表5 帶懸吊式座軸承—2系列
單位為毫米
帶座軸承型號(hào) d d0 B
max B1
max B3 S C H H0
max L
max
UCHA型 UKHA型 UELHA型 配用的緊定套 UC型 UEL型
H3
系列 H23
系列
7.3.6 帶凸臺(tái)方形座軸承的外形尺寸按表6的規(guī)定。
表6 帶凸臺(tái)方形座軸承—3系列
單位為毫米
帶座軸承型號(hào) d d0 B
max B1
max B3 S L
max A
max J A2 D1
UCFS型 UKFS型 UELFS型 配用的緊定套 UC型 UEL型
H23系列
7.3.7 帶輕型菱形座軸承的外形尺寸按表7的規(guī)定。
表7 帶輕型菱形座軸承—2系列
單位為毫米
帶座軸承型號(hào) d B
max B1
max S H
max L
max A
max J A2
UBFD型 UEFD型 UB型 UE型
附錄A
(資料性附錄)
帶座軸承與軸承、軸承座的配套關(guān)系
A.1 各種結(jié)構(gòu)型式帶座軸承的對(duì)應(yīng)代號(hào)
各種結(jié)構(gòu)型式帶座軸承的對(duì)應(yīng)代號(hào)參見(jiàn)表A.1。
表A.1 各種結(jié)構(gòu)型式帶座軸承的對(duì)應(yīng)代號(hào)
帶頂絲型 錐孔型 帶偏心套型
帶座軸承 軸承 軸承座 帶座軸承 軸承 軸承座 帶座軸承 軸承 軸承座
A.2 帶座軸承與軸承、軸承座的配套關(guān)系
A.2.1 帶高中心立式座軸承與軸承、軸承座的配套關(guān)系參見(jiàn)表A.2。帶窄立式座軸承、帶可調(diào)菱形座軸承、帶懸掛式座軸承、帶懸吊式座軸承與軸承、軸承座的配套關(guān)系也可參照表A.2。
表A.2 帶高中心立式座軸承與軸承、軸承座的配套關(guān)系
UCPH型 UKPH型 UELPH型
帶座軸承型號(hào) 軸承型號(hào) 軸承座型號(hào) 帶座軸承型號(hào) 軸承型號(hào) 軸承座型號(hào) 帶座軸承型號(hào) 軸承型號(hào) 軸承座型號(hào)
A.2.2 帶凸臺(tái)方形座軸承與軸承、軸承座的配套關(guān)系參見(jiàn)表A.3。
表A.3 帶凸臺(tái)方形座軸承與軸承、軸承座的配套關(guān)系
UCFS型 UKFS型 UELFS型
帶座軸承型號(hào) 軸承型號(hào) 軸承座型號(hào) 帶座軸承型號(hào) 軸承型號(hào) 軸承座型號(hào) 帶座軸承型號(hào) 軸承型號(hào) 軸承座型號(hào)
A.2.3 帶輕型菱形座軸承與軸承、軸承座的配套關(guān)系參見(jiàn)表A.4。
表A.4 帶輕型菱形座軸承與軸承、軸承座的配套關(guān)系
UBFD型 UEFD型
帶座軸承型號(hào) 軸承型號(hào) 軸承座型號(hào) 帶座軸承型號(hào) 軸承型號(hào) 軸承座型號(hào)
參考文獻(xiàn)
[1] GB／T 7810—2017 滾動(dòng)軸承 帶座外球面球軸承 外形尺寸
