JB/T 8563-1997 This standard is a combination of ZB J11 016.1-88 "Water Pump Shaft Bearing Code and Basic Dimensions" and ZB J11 016.2-88 "Water Pump Shaft Bearing Technical Conditions". This revision mainly modified the hardness, tolerance, chamfer and bearing grease filling amount. The standard specifies the code method, basic dimensions and technical requirements for water pump shaft bearings. This standard applies to water pump shaft bearings for internal combustion engines such as automobiles, tractors and engineering machinery. JB/T 8563-1997 Rolling bearings Water pump shaft bearings JB/T8563-1997 Standard download decompression password: www.bzxz.net

JB/T8563--1997
This standard is a combination of ZBJ11016.1--88 "Code Method and Basic Dimensions of Water Pump Shaft-Connected Bearings" and ZBJ11016.2--88 "Technical Conditions of Water Pump Shaft-Connected Bearings". This revision mainly modifies the hardness, tolerance, chamfer and bearing filling. From the date of implementation, this standard replaces ZBJ11016.1-88 and ZBJ11016.2-~88. Appendix A of this standard is the standard appendix.
Appendix B of this standard is the suggested appendix.
This standard is proposed and managed by the National Technical Committee for Standardization of Rolling Bearings. The drafting units of this standard are: Luoyang Bearing Research Institute of the Ministry of Machinery Industry and Hangzhou Bearing Test Research Center. The main drafters of this standard are: Liu Jiande, Yang Yan, Li Feixue, Chen Yuan. 655
1 Range
Machinery Industry Standard of the People's Republic of China
Rolling Bearings
Water Pump Shaft Bearings
This standard specifies the designation method, basic dimensions and technical requirements of water pump shaft bearings. This standard applies to water pump shaft bearings for internal combustion engines such as automobiles, tractors and engineering machinery. 2 Referenced Standards
/78563
Synonym 01518
Zh 11 16. 2- -88
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard was published, the versions shown were all valid. All standards are subject to revision. Parties that print these standards should investigate the possibility of using the latest versions of the following standards (13/T307.2--1995 Principles and methods for measuring and testing rolling bearings GB 3203---82
GB 732487
JB 1255---91
JB 3016--
JB 3017 --91
JB/T3034
JB/T 3573
Technical conditions for carburized bearing steel
General lithium-based grease
Technical conditions for heat treatment of high carbon chromium bearing steel rolling bearing parts rolling bearings
Rolling bearings
Z3 J11 020-
ZB J36 001
YB 9--68
Technical conditions for packaging nailboard boxes
Technical conditions for packaging cartons
Rust-proof packaging for rolling bearing oil seals
Measurement and evaluation methods for radial clearance of rolling bearings Inspection rules for rolling bearings and their commodity parts Quality standards for carburizing heat treatment of rolling bearing parts Technical conditions for chromium bearing steel
3 Symbols and abbreviations
Symbols and abbreviations are shown in Figure 1 and Figure A1 in Appendix A (Appendix to the standard). Approved by the Ministry of Machinery Industry on April 15, 1997
Implemented on January 1, 1998||tt ||I18563
WBC type
d: nominal diameter of the shaft
D: nominal outer diameter of the bearing
B: nominal length of the shaft
C: nominal width of the outer ring
JB/T8563—1997
F: nominal distance between the fan end and the end face of the outer ringG: nominal distance between one end of the impeller and the other end face of the outer ringdi.d2: nominal shaft diameter of the step shaft at the protruding end of the shaft or nominal major diameter of the threadri: nominal arc radius of the chamfer of the outer ring
r2: nominal arc radius of the chamfer of the shaft|| tt||Li: Axial nominal length of chamfer of outer ring
L.2: Axial nominal length of chamfer of shaft
α1: Nominal tilt angle of chamfer of outer ring
α2: Nominal tilt angle of chamfer of shaft
Admp: Deviation of average diameter of shaft in single radial planeVap: Variation of inner diameter of shaft in single radial planeVamu: Variation of average diameter of shaft
ABs: Deviation of single length of shaft
Ac: Deviation of single width of outer ring
Vcs: Variation of outer ring width
Kia: Complete shaft Radial runout of bearing shaft
Kea: Radial runout of outer ring of complete bearing
Apmp: Average outer diameter deviation of outer ring in single radial planeVp: Variation of outer diameter in single radial plane of outer ringVpmp: Average outer diameter variation of outer ring
4 Code number method
4.1 Code number composition
The code number of pump shaft bearing is composed of basic code number and post-code number. The arrangement order is as follows: Basic code post-code number
4.2 Basic code
The basic code is composed of type code number and matching installation characteristic size. 4.2.1 Type code
The type code is composed of uppercase Latin letters. The codes and their meanings are as follows: WB indicates a water pump shaft bearing with two rows of balls WR indicates a water pump shaft bearing with one row of rollers and one row of balls 4.2.2 Fitting and installation characteristic dimensions
Fitting and installation characteristic dimensions are composed of seven Arabic numerals, indicating the nominal diameter of the bearing shaft, the nominal outer diameter of the bearing, and the nominal length of the shaft. Their specific meanings are as follows:
The first and second digits from the left: indicate the millimeters of the nominal diameter d of the shaft of the shaft-connected bearing; the third and fourth digits from the left: indicate the millimeters of the nominal outer diameter D of the shaft-connected bearing; the fifth, sixth, and seventh digits from the left: indicate the millimeters of the nominal length B of the shaft of the shaft-connected bearing. If d, D, and B are non-integers, they shall be rounded to integers according to the rounding rules. For example, 94.5 is represented as 94.658
4.3 Suffix code
JB/T8563—1997
4.3.1 Suffix code consists of uppercase Latin letters, and the code and its meaning are in accordance with the provisions of Table 1. Table 1
Threaded on the shaft
Flat surface milled on the shaft
Keyway on the shaft
Hole drilled on the shaft
When the structure changes greatly and cannot be represented by the above codes 4.3.2 When the pump shaft bearing type and matching installation feature dimensions are the same, but other dimensions are different, the symbol sequence number 1, 2, 3 is used after the bearing code to distinguish them.
4.4 Code compilation
Example:
5 Mark
Nominal length of shaft 91mm
Nominal outer diameter of bearing 26mm
Nominal diameter of one shaft 12mm
Indicates a water pump shaft bearing with two rows of balls
Sequence number
-Nominal length of shaft 104.5mm
Nominal outer diameter of bearing 30mm
Nominal diameter of shaft 16 mm
Indicates a water pump shaft bearing with…rows of rollers and one row of balls WB1226091JB/T8563-1997
Marking example: Water pump shaft bearing
6 Dimensions
6.1 Basic dimensions
The basic dimensions of water pump shaft bearings shall be as specified in Table 2. 6.2 Chamfer dimensions
The shape and dimensions of the chamfer dimensions for assembly shall be in accordance with the provisions of Appendix A. 659
WI3 type
WB1024081
WB 1021091
W3 1226086
WB1226094
WB 1226102
1WB 1226092
WB1226100
WB 1226108
WB 1226104
WB 1226112
WI3 1630086
W13 1630094
WB 1630104-1
wr 1630096
WB 1630104 K
WB 1630112 K
WB1630100
WB 1630108
WB 1630116
W11630120
WB 1630128
WB 1630101
WB 1 630112
WB 1630120 K
WR 1630114
WB 1630122
WB1630130
WB 1835104
W13 1835112 K
WB 1835120 K
WB 1835108
WB 1835116
WB1835124
WB 1835112
WB 1835120
WB 1835128
7Technical requirements
WB 1024081 C
wB 1024091 C.
WB 1226086 C
WB 1226094 C
WB 1226102 C
WB 1226092 C
Wr 1226100 t
WB 1226108 C|| tt||WB 1226104 C
W3 1226112 C
WB 1630086 C
WB1630094C
WB 1630104 (-1
WB1630096C
WB 1630104 CK
WB 1630J12 CK
WB1630100
WB 1630108 C
WB 1630116 C
WB 1630120 C
WB 1630128 C
WB1630104C
WB 1630112 C
JB/T8563
WR 1226086
WR1226094
WR 1226102
WR 1226092
WR1226100
WR 1226108
WR 1226101
WR 1226112
WR 1630086
WR 1630091
WR 1630101-1
WR1630096
WR 1630101-2
WR1630112
WR 1630100 | | tt |
WB 1630114C
WB 1630122 C
WB 1630130 C
WB 1835104 C
WB 1835112 CK
WB 1835120 CK
WB 1835108 C| |tt||WB 1835116 C
WB1835124C
IWB 1835112 C
WB 1835120 C
WB 1835128 C
WR 1630120 K
WR 1630114
WR 1630122
WR 1630130
WR 1835104
WR 1835112-1
WR1835120-1
WR 1835108
WR 1835116||tt| |WR1835124
WR 1835112
WR 1835120
WR 1835128
12 or 11
12 or 11
12 or 1:
12 or 14
12 or 11
12 into 11
12 or 14
12 or 11
12 or 14
1? or 1:
12 or 11
12 or 11
12 or 11||tt| |12 thief 14
12 or 14
12 or 14
12 or 14
12 number 14
12 oh 14
12 or 14
12or1
7.1 Materials and heat treatment
7.1.1 The outer ring and shaft are made of carburized bearing steel and high carbon chromium bearing steel. It complies with the provisions of GB3203 and YP.9. Other materials can also be used when the user has special requirements. 2 When carburized bearing steel is used, the outer ring raceway hardness is 60-64HRC, and the auxiliary raceway hardness is not less than 601HIR ! .Heat treatment 7. 1. 2
The quality should be in accordance with the provisions of ZBJ36001.
3 When high carbon chromium bearing steel is used, the outer ring raceway hardness is 60~~64HRC, and the shaft raceway hardness is 58-621R. The heat treatment quality should comply with J31255.
7.2 Public examination
JB/T8563.1997
The specifications of water-soluble shaft bearings shall comply with those in Table 3 and Table 4. 3
7.3 Surface roughness
Upper deviation
Lower deviation
Lower deviation
The surface roughness of the mating surface and end face shall not exceed that in Table 5 According to the regulations, Table 5
7.4 Radial clearance
The radial clearance of the complete set of bearings is 15~351m (no-load clearance value) max
lower recommendation||tt ||Lower deviation
When there are special requirements or the interference fit of the outer ring is large, the specific value and range of the radial clearance shall be determined by negotiation between the supplier and the buyer. 7.5 Others
7.5.1 The bearings must be demagnetized, and the maximum residual magnetism should not exceed 0.5mT. 7.5.2 The bearings should rotate flexibly without blocking. 7.5.3
The technical requirements for bearing grease should comply with the provisions of GB7324. The requirements are to be attached and determined by negotiation between the manufacturer and the user.
7.5.4 Before filling grease, the bearing should be dipped in oil with the same brand as the base oil of the grease to prevent rust, and then filled with grease. 7.5.5 Refer to Appendix 13 (recommended) for the amount of grease to be filled in the bearing. Appendix). 7.5.6 Bearing production should be regularly tested for pump shaft bearing sealing performance and temperature rise operation. The grease leakage should not exceed 5 and the temperature rise should not exceed 60℃.
8 Measurement method||tt| |8.1Ku measurement (see Figure 2)
Fix the outer ring, place the two sub-meters at the middle of the length of the two ends of the shaft, rotate the shaft for 100 times, and the maximum and minimum values ​​are The difference is the Ki value at both ends of the shaft. 561
8.2 Measurement of radial clearance
JB/T 8563-1997
The measurement of radial clearance shall be in accordance with JB/T3573 regulations. 8.3 Measurement of shaft toleranceswww.bzxz.net
The shaft tolerances Vap, Aamp, Vamp measurement points should be away from chamfers and undercuts by about 2 mm, and the measurement method shall be in accordance with the provisions of GB/T307.2. 8.4 Others
The measurement method of other national tolerances shall be in accordance with the provisions of GB/T307.2. 9 Inspection rules
9.1 Finished bearings shall be inspected by the technical inspection department of the manufacturer. 9.2 Finished bearings shall be sampled and inspected in accordance with the provisions of ZBJ11020. Sample The size is sampled according to the general inspection level I. The AQL value of the main item is 1.5, and the secondary item is 4.0; the acceptance and rejection judgment numbers A. and R. are used for judgment. 9.3 Sampling inspection items for quality bearings are shown in Table 6. Table 6
Main inspection items
Shaft diameter deviation and variation Aamp, Vap, VampOuter ring outer diameter deviation and variation AnuVip, VDapRadial clearance
Complete bearing shaft Radial runout Kir
Radial runout of the outer ring of a complete set of bearings K
10 Marking and packaging
Secondary inspection items
Outer ring width deviation and variation 4c, Vc
Residual magnetic strength
Assembly chamfer
Surface roughness of mating surface
Appearance quality
Marking and packaging
10.1 Bearings The code, manufacturer's code or trademark should be marked on the end face of the shaft, and can also be marked on the seal ring. 10.2 The inner packaging of the bearing shall comply with the provisions of JB/T3034, and the outer packaging shall comply with the provisions of JB3016 and JB3017. 662
A1 The shape of the bearing assembly chamfer is in accordance with Figure Al.
(a) External chamfer
A2 The dimensions of the assembly chamfer are in accordance with Table A1.
JB/T8563 —1997
Appendix A
(Standard Appendix)
Assembly chamfer
1. 65,1.8,2. 1
0.6.0.7. 0.8
Appendix B
(Suggested Appendix)
Grease filling quantity of water pump shaft and bearing
Grease filling quantity of water pump shaft and bearing shall comply with the provisions of Table B1. d/mm
(b) Shaft end chamfer
Shaft end chamfer
1.3,1.5,2.0,2.3
0.6.0.7,0.8
2.0~～5.0
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