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
中華人民共和國機械行業標準
JB／T 5303—2019
代替JB／T 5303—2002
滾動軸承 帶座外球面球軸承補充結構外形尺寸
Rolling bearings—Supplementary structure of insert bearing units—Boundary dimensions
2019-08-02發布 2020-04-01實施
中華人民共和國工業和信息化部 發布
前言
本標準按照GB／T 1.1—2009給出的規則起草。
本標準代替JB／T 5303—2002《帶座外球面球軸承 補充結構 外形尺寸》，與JB／T 5303—2002相比主要技術變化如下：
——修改了標準的名稱(見封面和首頁，2002年版的封面和首頁)；
——修改了符號的字體及部分符號的定義(見第4章，2002年版的第3章)；
——增加了“術語和定義”“代號”(見第3章、第5章)；
——擴大了帶高中心立式座軸承、帶窄立式座軸承、帶可調菱形座軸承、帶懸掛式座軸承的尺寸范圍(見表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(見表1～表5)；
——增加了201S～203S帶座軸承的型號和外形尺寸(見表1～表5)；
——修改了帶可調菱形座軸承部分型號的J尺寸(見表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、結構型式和外形尺寸(見4.3、圖19、圖20、表7)；
——將“型式”和“外形尺寸”章合并為一章，并在該章節中增加了“總則”(見第7章，2002年版的第3章、第5章)；
——增加了“帶座軸承與軸承、軸承座的配套關系”(見附錄A)；
——增加了參考文獻(見參考文獻)。
本標準由中國機械工業聯合會提出。
本標準由全國滾動軸承標準化技術委員會(SACTC 98)歸口。
本標準所代替標準的歷次版本發布情況為：
——JB／T 5303—1991、JB／T 5303—2002。
滾動軸承 帶座外球面球軸承補充結構 外形尺寸
1 范圍
本標準規定了GB／T 7810—2017中未規定的帶座外球面球軸承(以下簡稱帶座軸承)的結構型式和外形尺寸。
本標準適用于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系列的帶凸臺方形座軸承的設計和選型。
2 規范性引用文件
下列文件對于本文件的應用是必不可少的。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 滾動軸承 外球面球軸承和偏心套 外形尺寸
GB／T 6930—2002 滾動軸承 詞匯
GB／T7811—2015 滾動軸承 參數符號
GB／T 27554—2011 滾動軸承 帶座外球面球軸承 代號方法
JB／T 5302—2019 滾動軸承 外球面球軸承座補充結構 外形尺寸
3 術語和定義
GB／T 6930—2002 界定的術語和定義適用于本文件。
4 符號
4.1 總則
GB／T 7811—2015和本標準4.2～4.6給出的以及下列符號適用于本文件。
除另有說明外，本標準圖1～圖20中所示符號(公差符號除外)和表1～表7中所列數值均表示公稱尺寸。
注：圖1～圖20僅為示意圖，未顯示所有結構細節。圖1～圖20中給出的潤滑嘴的位置只是一種示例，制造廠也可采用其他位置。
B：帶座軸承內圈寬度；
B1：帶偏心套的帶座軸承內圈總寬度；
B3：緊定套寬度；
d：帶座軸承和偏心套內徑；
d0：緊定套內徑；
S：緊固裝置另一端內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：座底長度(總長)。
4.3 帶可調菱形座軸承、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：凸臺直徑；
J：螺栓孔中心距；
L：長度(總長)。
5 代號
GB／T 27554—2011和JB／T 5302—2019給出的代號適用于本文件。
6 標記示例
帶座外球面球軸承 UCPH 205 JB／T 5303—2019
7 結構型式和外形尺寸
7.1 總則
表1～表7中的“max”表示該值既是公稱值，又是允許的最大實測值。表1～表7中的“min”表示該值既是公稱值，又是允許的最小實測值。
7.2 結構型式
本標準給出的帶座軸承由GB／T 3882—2017規定的外球面球軸承和JB／T 5302—2019規定的外球面球軸承座組合而成，其配套關系參見本標準附錄A，其結構型式有：
——帶高中心立式座軸承(見圖1～圖3)；
——帶窄立式座軸承(見圖4～圖6)；
——帶可調菱形座軸承(見圖7～圖9)；
——帶懸掛式座軸承(見圖10～圖12)；
——帶懸吊式座軸承(見圖13～圖15)；
——帶凸臺方形座軸承(見圖16～圖18)；
——帶輕型菱形座軸承(見圖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 帶可調菱形座頂絲外球面球軸承(UCFA型)
圖8 帶可調菱形座緊定套外球面球軸承(UKFA＋H型)
圖9 帶可調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 帶凸臺方形座頂絲外球面球軸承(UCFS型)
圖17 帶凸臺方形座緊定套外球面球軸承(UKFS＋H型)
圖18 帶凸臺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 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的規定。
表2 帶窄立式座軸承—2系列
單位為毫米
帶座軸承型號 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 帶可調菱形座軸承的外形尺寸按表3的規定。
表3 帶可調菱形座軸承—2系列
單位為毫米
帶座軸承型號 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的規定。
表4 帶懸掛式座軸承—2系列
單位為毫米
帶座軸承型號 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的規定。
表5 帶懸吊式座軸承—2系列
單位為毫米
帶座軸承型號 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 帶凸臺方形座軸承的外形尺寸按表6的規定。
表6 帶凸臺方形座軸承—3系列
單位為毫米
帶座軸承型號 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 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、軸承座的配套關系
A.1 各種結構型式帶座軸承的對應代號
各種結構型式帶座軸承的對應代號參見表A.1。
表A.1 各種結構型式帶座軸承的對應代號
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、軸承座的配套關系
A.2.1 帶高中心立式座軸承與軸承、軸承座的配套關系參見表A.2。帶窄立式座軸承、帶可調菱形座軸承、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、軸承座的配套關系
UCPH型 UKPH型 UELPH型
帶座軸承型號 軸承型號 軸承座型號 帶座軸承型號 軸承型號 軸承座型號 帶座軸承型號 軸承型號 軸承座型號
A.2.2 帶凸臺方形座軸承與軸承、軸承座的配套關系參見表A.3。
表A.3 帶凸臺方形座軸承與軸承、軸承座的配套關系
UCFS型 UKFS型 UELFS型
帶座軸承型號 軸承型號 軸承座型號 帶座軸承型號 軸承型號 軸承座型號 帶座軸承型號 軸承型號 軸承座型號
A.2.3 帶輕型菱形座軸承與軸承、軸承座的配套關系參見表A.4。
表A.4 帶輕型菱形座軸承與軸承、軸承座的配套關系
UBFD型 UEFD型
帶座軸承型號 軸承型號 軸承座型號 帶座軸承型號 軸承型號 軸承座型號
參考文獻
[1] GB／T 7810—2017 滾動軸承 帶座外球面球軸承 外形尺寸
