JB/T 8211-1996 Rolling bearing thrust cylindrical roller cage assembly JB/T8211-1996 standard download decompression password: www.bzxz.net

JB/T 8211--96
This standard is formulated for the first time. In the process of formulation, the consistency and continuity with the industry standards were taken into consideration. The relevant contents of the original "Thrust Cylindrical Roller Bearing Ring Tolerance" were retained and used in the relevant articles for determining the thrust washer tolerance. At the same time, in order to further improve the standard and facilitate application, the standard added the height tolerance of complete bearings. This standard was proposed by the National Technical Committee for Standardization of Rolling Bearings and is under the jurisdiction of the responsible drafting unit of this standard: Luoyang Bearing (Group) Company. Drafters of this standard: Xu Lingling, Qu Yuyun. 641
1 Scope
Mechanical Industry Standard of the People's Republic of China
Rolling Bearings
Thrust Cylindrical Roller Cage Assemblies
And Thrust Washers
JB/T 8211-96
This standard specifies the structural dimensions, technical requirements, inspection rules, marking and packaging of thrust cylindrical roller cage assemblies (hereinafter referred to as assemblies and washers) with an inner diameter d≤400mm and bearing dimensions in accordance with GB/T4663 "Rolling Bearing Thrust Cylindrical Roller Bearing Dimensions".
This standard applies to the production inspection and acceptance of assemblies and washers by manufacturers and users. Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards are subject to revision, and the parties using this standard should explore the possibility of using the latest versions of the following standards. GB 274-91
Rolling bearings
Assembly chamfer limits
GB 307.284 Rolling bearings
GB307.3--84 Rolling bearings
Methods for measuring tolerances
General technical requirements
GB4199-84 Definitions of rolling bearing tolerances
GB4661-89 Rolling bearings
Cylindrical rollers
GB/T4663-94 Rolling bearings Thrust cylindrical roller bearings Eight-inch outer shape GB859788 Rolling bearing packaging
JB/T3574-92 Rolling bearing product marking JB/T6641--93 Residual magnetism of rolling bearings and its evaluation method ZBJ11020-89 Inspection rules for rolling bearings and their parts 3 Symbols and abbreviations
Except the following symbols, the symbols cited in this standard are specified in GB4199. Del: Nominal inner diameter of the component
De: Nominal outer diameter of the component
II: Nominal height of thrust washer
A71: Tolerance of height of thrust cylindrical roller bearing 4 Structural type
The structural type of the component is shown in Figure 1. The structural type of the thrust washer (shaft washer and seat washer) is shown in Figures 2 and 3. Approved by the Ministry of Machinery Industry on September 3, 1996
Implemented on July 1, 1997
5 Overall dimensions
JB/T 8211-- 96
Figure 1K81000 assembly
WS81000 shaft ring
Figure 3GS81000 seat ring
The overall dimensions of the assembly and the ring shall be in accordance with the provisions of Table 1Table 1
Overall dimensions of the assembly and thrust washer
Assembly code
K81104
K81105
K81106
K 81107
K 81108
K 81109
K 81110
K 81111
K 81112
K81113
K 81114
K 81116
Shaft ring code
WS 81104
WS 81105 | 81114
WS 81115
WS 81116
wS81117
Seat ring code
GS 81104
GS81106
GS 81107
GS 81108||tt ||GS 81109
GS 81110
GS 81111
GS 81112
GS 81113
GS 81114
GS 81115
GS 81116
GS 81117
machine corresponding
auxiliary code
component code
K 81118
K8:120
K 81122
K81124
K81126
K $1128
K81130
K 81132
K 8fs-1| |tt||K81136
K 81138
K81148
K 81152
K81156
K81160
K81164
K81168| |tt||R81172
K81176
K81180
K 81206
K81207
K 81208
K 81209
K81210
K 8121
K81212
K81213||tt| |K81214
K81215
K 81216
K 81217
K81218
K81220
K81222
K 81221
K81226
K81228
K81230
K81232
K81234
K81236
K81238
shaft ring Code
WS 81118
WS81120
WS 81122
WS 81124
WS 81126
WS 81128bzxZ.net
WS 81130| |tt||WS 81132
WS 81134
WS 81136
WS 81138
wS 81140
WS 81144
WS 81148
WS 81152
WS S1156
WS 81160
WS 81164
wS 81168
WS 81172
WS 81176
wS 81180
WS81206
WS 81207
WS81208||tt ||WS 81209
wS 81210
WS 81211
WS 81212
WS 81213
WS 81214
WS81215
wS81216
WS 81217
WS 81218
WS81220||tt ||WS81222
WS81224
WS81226
WS 81228
WS81230
WS81232
WS 81234
WS81236||tt ||WS81238
Seat ring code
GS 81118
GS 81120
GS 81122
GS 81121
GS 8126
GS 81128
GS 81130
GS 81132
Gs 81134
GS 81136
GS81138
GS81140
GS 81144
GS 81148
GS 81152
GS 81156||tt ||GS 81160
GS 81164
GS 81168
GS81172
GS 81176
GS 81180
GS 81206
GS 81207
GS81208
GS 81209
GS 81210
GS 81211| |tt||GS 81212
GS81213
GS 81214
GS 81215
GS81216
GS 81217
GS 81218||tt| |GS81220
GS 81222
GS 81224
GS 81226
GS 81228
GS81230
GS 81232
GS81234
GS81236
GS 81238
JB/T 8211 --- 96||tt| |Table 1 (continued)
d tomin
Corresponding
bearing code
assembly code
K 81240
K81244| |tt||K 81248
K81252
K81256
K81260
K 81264
K81268
K81272
6 Technical requirements
6.1 Tolerance
Shaft ring code
WS 81240
WS 81244
WS 81248
WS 81252
WS 81256
WS 81260
WS81264
WS 81268
WS81272||tt ||Seat ring code
GS81240
GS81244
GS 81248
GS 81252
GS81256
GS81260
GS81264
GS 81268
GS81272
JB/T8211：96
Table 1( END)
6.1.10,6,5,4 grade thrust cylindrical roller bearing shaft and seat ring tolerances shall be in accordance with the provisions of Table 2 and Table 3. Table 2 Shaft ring tolerances
Upper deviation
Upper deviation
Lower deviation
Lower deviation
Seat ring tolerance
Corresponding
Inheritance code
The tolerances of the intermediate bearing shaft ring and the same components as specified in Table 4 shall be as given in 6.1.2. D..Dei/mm
JB/T8211—96
Table 1 Component tolerance
Upper deviation
—320
—410||tt ||—920
6.1.3 The height tolerance of the bearing shall be in accordance with the provisions of Table 5. Table 5
Lower deviation
—920
-1 150||tt| |—2090
-2 620
Bearing height tolerance
Upper deviation
6.1.4 The chamfer limit of thrust washer assembly shall comply with the provisions of GB274. 6.1.5 Components The cylindrical rollers used shall comply with the provisions of GB4661. 6.2 Surface roughness
See Table 6 for the working surface roughness.
Upper deviation
：485
Aneime
Lower deviation
Lower deviation
—400
：400|| tt||Inner hole surface
0.80.630.5
Appearance quality
JB/T 8211-96
Table 6 Working surface roughness Ra value
The surface quality of the outer cylindrical surface
assemblies and washers shall comply with the relevant standards. 6.4 Cleanliness
The cleanliness of the bearing and its parts shall comply with the relevant standards. 6.5 Residual magnetism
|The residual magnetism value of each bearing part should not exceed the provisions of JB/T6641. 6.6 Materials and heat treatment
Other technical requirements for gasket end faces
Material and heat treatment and other technical requirements shall comply with GB307.3 and relevant provisions of product drawings. 7 Measurement method
0. 200.100. 063
0. 25 10.1251 0. 08
0.200.125
Component tolerance Ap.m, Apam, measured by two-point method. By measuring at different radial angular positions on the outer diameter surface, the maximum and minimum single outer diameter in the radial plane can be obtained, so as to obtain the deviation △pm of the average outer diameter of the single plane. By measuring at different radial angular positions on the inner diameter surface, the maximum and minimum single inner diameter in the radial plane can be obtained, so as to obtain the deviation △pemp of the average inner diameter of the single plane. S:, S. The measurement refers to the method specified in GB307.2, and the tip of the table should be placed above the middle position of the raceway. 8 Inspection rules
The acceptance of finished bearings and parts shall be in accordance with the provisions of ZBJ11020. The AQL values ​​of the qualified quality levels of finished bearings and washers are 4.0 for the main inspection items and 6.5 for the secondary inspection items. The inspection level, general inspection level 1 for finished bearings, special inspection level S-4 for commodity washers and components. The sampling inspection items for components shall be carried out in accordance with the relevant contents of the thrust needle roller and cage assembly in Table 3 of ZBJ11020-89. 9 Marking
The bearing marking shall comply with the product drawings and the provisions of JB/T3574. 10 Packaging
The packaging of components and washers shall be in accordance with the provisions of GB8597. When components and washers are supplied in sets, the components and washers shall be isolated with polyethylene film or other non-corrosive substances to avoid damage to their working surfaces. 647
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