This standard refers to the international standard ISO 199-1979. This standard specifies the light (2), medium (3) and heavy (4) series 18000 type and 28000 type unidirectional externally aligning thrust ball bearings with tolerance level G and light (2), medium (3) and heavy (4) Dimensions and tolerances of series 48000 and 58000 bidirectional externally aligning thrust ball bearings. This standard applies to design, manufacturing and user selection. JB/T 5305-1991 Rolling bearing external self-aligning thrust ball bearing outline dimensions and tolerances JB/T5305-1991 Standard download and decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
Rolling bearings, externally aligning thrust ball bearings
Dimensions and tolerances
This standard refers to the international standard 1SO199--1979 "Rolling bearings-Thrust ball bearing tolerances", 1 Subject content and scope of application
JB 5305-91
This standard specifies the dimensions and tolerances of the light (2), medium (3) and heavy (4) series 18000 and 28000 single-direction externally aligning thrust ball bearings (hereinafter referred to as single-direction bearings) and the light (2), medium (3) and heavy (4) series 48000 and 58000 double-direction externally aligning thrust ball bearings (hereinafter referred to as double-direction bearings) with tolerance grade G. This standard applies to design, manufacturing and user selection. 2 Reference standards
GB273.2 Rolling bearings Deformation dimension scheme for rolling bearings GB274 Rolling bearing assembly chamfer limit
GHB307.1 Tolerances for dynamic bearings
3 Symbols
: Single-direction bearing shaft principle Nominal inner diameter;
1): Nominal outer diameter of one-way bearing shaft ring
1 Maximum single outer diameter of shaft ring;
1\: Nominal outer diameter of bearing spherical seat,
d: Nominal inner diameter of bearing spherical seat ring:
disin: Minimum single inner diameter of spherical seat ring;
d: Nominal inner diameter of middle ring;
: Nominal outer diameter of middle ring:
auax: Maximum single outer diameter of middle ring
T: Nominal height of 28000 type bearing;
7\: Nominal height of 18000 type bearing;
B: Thickness of middle ring;
R: Radius of spherical surface;
1: Center height of spherical surface of one-way auxiliary bearing; 4 : Center height of the self-aligning surface of Shuangnan bearing; 7: Nominal height of 58000 type bearing;
T\:: Nominal height of 48000 type bearing; d: Nominal inner diameter of self-aligning seat washer;
1: Nominal outer diameter of self-aligning seat washer
Approved by the Ministry of Machinery and Electronics Industry on June 25, 1991 471
Implemented on July 1, 1992
(\: Thickness of self-aligning seat washer;
JB5305-91
: Chamfering ruler of shaft ring (one-way bearing) and self-aligning seat washer;: Minimum one-way chamfering dimension of shaft ring (one-way bearing) and self-aligning seat washer;: Chamfering ruler of middle ring:
r: Minimum one-way chamfering ruler of middle ring; || tt||· Deviation of the average inner diameter of the single plane of the one-way auxiliary bearing shaft ring; Deviation of the average inner diameter of the single plane of the bidirectional bearing middle ring; Change of the inner diameter of the one-way auxiliary bearing shaft ring in the single radial plane; Vu: Change of the inner diameter of the middle ring of the one-way bearing in the single radial plane; ): Deviation of the average outer diameter of the single radial ring of the self-aligning seat; : Change of the outer diameter of the self-aligning seat gasket in the single radial plane; S: Change of the thickness of the shaft ring (or middle ring) raceway to the bottom surface; S: Change of the thickness of the self-aligning seat raceway to the bottom surface; A7: Actual deviation of 28000 bearing; T\: Actual height deviation of 18000 bearing; AT: Actual height deviation of 58000 bearing:
2T1: Actual height deviation of 48000 bearing. 4 Overall dimensions
4.7 The overall dimensions of single-spaced bearings are shown in Figures 1, 2 and Tables 1 to 3. 4.2 The overall dimensions of double-spaced auxiliary bearings are shown in Figures 3, 4 and Tables 4 to 6. 5 Tolerances
The tolerance values ??of auxiliary bearings shall comply with the provisions of Tables 7 to 10. Q
d
D
18000
Figure 1
28000
Figure 2
175
14
d,
aa
D
48000
Figure 3
5305
91
1
58000
Figure 4
Note: Chamfer dimensions and are only applicable to Figure 1~ For the parts shown in Figure 4, other chamfers have no specified dimensions, but should not be acute angles Table 1
Shan Shang bearing
Light (2) series
Bearing model
18000
18200
18201
18202
18203
18204
18205
18206
18207
18208
18209|| tt||18210
18211
18212
18213
18214
18215
18216
18217
18218
18220
18222
18224
18226
18228
476
28000
28 200
28201
28202
28203
28204
28205
28206
28207
28208
28209
28210
28211
28212
28213
28214
28215
28216||t t||28217
28218
28220
28222
28224
28226
28228
ct
10
12
15
17
20
25
30
35
40
45
50
55||t t||60
65
70
75
80
85
90
100
110
120
130
140
26
28
32
35
40
47
52
62
68
73||tt ||78
90
95
100
105
110
115
125
135
150
160
170
190
200
1
11.6
11.4
13.3
13.2
14.7||tt| |16.7
17.8
19.9
20.3
21.3
23.5
27.3
28
28.7
28.8
28.3
29.5
33.1
38.5
40.9
40.2
40.8
47.9
48.6
尺
dtamin
12
14
17
19
22
27| |tt||32
37
42
47
52
57
62
67||tt ||72
77
82
88
93
103
113
123
133
143
Dismas
26
28
32
35
40
47| |tt||52
62
68
73
78
93
95
100||tt ||105
110
115
125
135
150
160
170
187
197
R
22
25
28
32
36
40| |tt||45
50
56
56
64
72
72
80||tt ||80
90
90
100
100
112
125
125
140
160
A
8. 5
11.5
12
18
19
122
24
28.5
26| |tt||32.5
35
32.5
40
38
49
46
45||tt ||52
65
67
87
i
0.6
0.6
0.6
0. 6
0.6
0.6
0.6
1
1
1
1
1| |tt||1
1.1
1.1
1.1
1.1
1.5
1.5
寸||tt ||13
13
15
15
17
19
20
22
23
24
26
30
31
32
32
32
33| |tt||37
42
45
45
46
53
55
18||tt ||20
24
26
30
36
42
43
55
60
62
72
78
82
88
92
98
105| |tt||110
125
135
145
160
170
D
28||tt ||30
35
38
42
50
35
55
72
78
82
95
100
105
110
115
120
130| |tt||110
55
168
175
195
210
nm
3.
3. 5
5
5.5
5.5
7.5
7. 55
9
9
9
9
9.5
10
11
13. 5? 18232
18234
18236
18238
18210
18244
18248
18252
18256| |tt||18260
18264
18268
18272
28000型
28230
28232
28234|| tt||28236
28238
28210
2824-1
28248
28252
28256
28260|| tt||28261
28268
-28272
工作电视
18000型
18305
18306
18307| |tt||18308
18309
18310
18311
18312
18313
18314
18315||tt ||18316
18317
18318
18320
18322
18324
18326
18328
18330
18332
18334
18336
18338
8340
28000型
28305
28306
28307
28308
28309
28310
28311
28312
28313
28314|| tt||28315
28316
28317
28318
28320
28322
28324
28326||tt| |28328
28330
28332
28334
28336
28338
28340
150
1609
170
180
190
200
220
240
260
280|| tt||300
320
340
360
25
30
35
40||tt| |4.5
50
55
60
65
70
75
80
85| |tt||90
100)
110
120
130
140
150
160|| tt||170
1180
190
200
1
215
225
240||tt| |250
270
280
300
340
360
380
420
440
460
500
n
52
60
68
78
85|| tt||95
105
110
1115
125
135
140
53.3||tt| |54.7
58.7
58.2
65.6
65.3
65.6
81.7
82.8
85
100.5
100.5
JB5305-91
结表1
dtsinin
153
163||tt| |173
183
194
204
224
244
264
284
304
325
100.3
116.7
345
365
表2
Dismexx
212| |tt||222
237
247
267
277
297
335
355||tt ||375
415
435
155
495
R
160
160
180
200
1 200
225
225
250
280
280
320
320
4
79
74
91
112
98
125|| tt||118
122
152
143
1164
157
360
199||tt| |360172
单向小集
食
d sain
19.8
22.6
25.6
28.5||tt ||30.1
34.3
39.3
38.3
39.4
44.2
48.1
47.6
150
155
170
190
210
225
240
250)
270
280
300
1320
310
53.1
54.6
59.2
67.2|| tt||74.1
80.3
84.9
83.7
191.7
91.3
99.3
111||tt| |27
32
37
42
47
52
57
62
67
72
77
82
83
93
103
113
123|| tt||134
144
154
164
174
184
195
E18-4205|| tt||Disnunx
52
60
68
78
85
95
105||tt| |110
115
125
135
140
150
155
170
187
205
220
235
245
265
275
295
315|| tt||335
中（3)系列
R
45
50
56
64
64
72
80
90
90
100
100
112
112|| tt||112
125
140
160
160
180
200
200||tt| |225
225
250
250
21
22
24
28
25
28
30
11
38.5
4.3
37
50
43|| tt||40
46
51
63
53
68
89.5
77||tt| |105
91
1634
92
raui
1.5
1.5
1.5
1.5
2
2
2
2. 1
2.1
2.1
3
3
3
4
'snin
1
1
1
1
1.1
1.1
1.1
1.1
1.1|| tt||1.5
1.5
1. 5
1. 5
1.5
2
2.1
2.1
2. 1
2.1
3
3
3
4
60
61
65| |tt||66
73
74
75
92
93
94
112||tt ||112
113
130
小
22
25
28
31
33
37
12
42
43
4.8
52
52
58| |tt||59
6.
72
80
86
92
92
100
100
109|| tt||121
130
rt
180
190
200
210
230||tt| |240
260
290
305
325
360
380
400
430
38
4.5
52
60bzxz.net
65
72
80
85|| tt||90
98
105
110
115
120
135
150||tt| |165
177
190
200
215
220
240
255
270
)
235
235
250
260
280
29
31|| tt||350
370
390
430
450
470
510
55||tt| |62
72
32
90
1o0
115
120
130
110
145
155
160
175
19.
220
235
250| |tt||260
286
290
314
330
1350
nm
20.5||tt ||2
21.5
21.
23
23
25
30
30||tt| |31||hh||34||hh||36||hh||36||hh||13||hh||mm||hh||7||hh||7.||hh|| 8.
10
1
11.5
13.5
12.，
13
18
15
17.5
.8
18
20.5
22
26
26
26| |tt||2
2n
33
33
35
477
图像电视
18000型28000型
18405
18406
18407
18408
18409
18410
18411
18412| |tt||18413
18414
18415
18416
18417
18418
18420
18422||tt ||18424
18426
18428
18430
18432
18434
18436
28405
28406
28407
28408
28409
28410
28411
28412
28413
28414| |tt||28415
28416
28417
28418
28420
28422
28424
28426||tt ||28428
28430
28432
28434
28436
工作电视
18000型58000型
48202| |tt||48204
48205
48206
48207
48208
48209
48210
48211||tt ||48212
18213
48214
48215
48216
18217
478
58202
58204
58205
58206
58207
58208
58209
58210
58211
58212| |tt||58213
58214
58215
58216
58217
a
d
25||tt ||30
35
40
45
50
55
60
65
70
75
80
85
90
100
110
120
130| |tt||140
150
160
170
180
d.
15
20|| tt||25
30
35
40
45
50
55
60||tt| |65
70
75
80
85
D
60
70
80
90
100
110
120
130
140
150
160|| tt||170
180
190
210
230
1250
270
280||tt| |300
320
340
360
D
10
32
15
20
30
30
35
40
45
50
40
47|| tt||52
62
68
73
78
90
95
100||tt| |55
105
55
60
110
65115
170125
T
JB 5305-91. |tt||38.2
42.4
45.6
50.5
54
60.2
63.6
69||tt ||72.2
77
81.2
90
99.7
107.3
115.2
17
125.9
135.3
141| |tt||148.3
27
32
37
42
47
52
57||tt ||62
68
73
78
83
88
93
103
113
123
134
144
154
164
174
184
1) smx
60
70
80
90
100
110
120
130| |tt||140
150
160
170
177
187
205
225||tt ||245
265
275
295
315
335
355
表 4双向小阳|| tt||尺
T
24.6
27.4
31.4
32.6
37.8
38.6||tt| |39.6
49.6
50
50.4
50.6
49.6
51
59.2
dixmin
17
22
27
32
37
42
47
52|| tt||57
62
67
72
77
82
88
D zamnax||tt ||32
40
47
52
62
68
73
78
90
95
100
105
110
115
125
B
7| |tt||8
10
10
10
1.0
10
10
[12|| tt||重（4)系列
R
50
56
64
72
80
90
90
100
112
112
125
125
140
140|| tt||160
180
200
200
225
225
250
250||tt| |280
A
19
20
23
26
29
35
28
34
40
34
4.2
36
47
40
50|| tt||59
70
58
83
69
84
74
97||tt| |轻(2)系列
riamin
0.6
0.6
0.6
0.6
1
1|| tt||1
1
1
1
1
1
R
28||tt| |36
40
45
50
56
56
64
72
72
80
80
90
90
100
r'amtr
、
1.1
1.1
1.1
1.5
1.5
1.5
2
2
2|| tt||2.1
2.1
2.1
3
3
4
4
1||tt| |5
5
5
A1
10.5
16
16.5
20
21
25
23
30.5
32.5
30.5
38.5
36.5
47.5|| tt||45
49.5
T
29
33
37
42
46||tt| |50
55
58
65
69
75
78
83
85
98
109
118
128
131
140
150
156|| tt||164
寸
Tiamain
0.3
0.3
0.3
0.3
0.3||tt| |0.6
0.6
0.6
0.6
0.6
0.6
-
1
1
d:
42
50
58
65
72
80
88| |tt||95
100
110
115
125
130
140
155||tt ||1.70
185
200
206
225
240
255
270
T
28
32
36
37
42
44
45
47| |tt||55
56
57
57
57
58
6?
13|| tt||62
75
85
95
105
115
125
135||tt| |145
155
165
175
185
195
220
240
260
280
290
310
330
350
370
mm
8|| tt||9
10
12
12.5
14
15.5
15
17.5||tt| |J9.5
21
22
23
25.5
27
29
32
38| |tt||38
41
41.5
46
46.5
mm
dsiDa
2435||tt ||30
42
36
50
42
55
48
65
172
55
60
62
72
78
82
95
78100| |tt||82105
88110
192115
98
1120
C
4
5||tt ||5.5
5.5
7
7. 5
7.5
9
9
9
9.5
10
13011
1.05| |tt||工作电视
48000型58000型
48218
48220
48222
18224
48226
48228
48230
48232
48234
48236
48238
48240
48244
58218| |tt||58220
58222
58224
58226
58228
58230
58232
58231||tt ||58236
58238
58240
158244
cl
90
100
110
120
130
140
150
160
170
180
190
200| |tt||220
rt
1135
75
85
95
100
110||tt ||150
160]
170
190
120
200
130
140||tt| |150
[150
160
170
(190
215
225
240||tt| |250
270
280
300
69
72
71.
a
93
103
113
71.61
123
85.8
86.2
95.6
97.4| |tt||133
143
153
163
104.41173
102.4
116.4
183||tt ||194
JB5305--91
绝表4
尺
2
135
150
160
170
189.5
199.5
B
14
15
18
214.5|| tt||20
224.5
20
239.5
21
249
269
115.6||tt| |204
115.2
224
279
299
21
24
24
24
注：1）d equivalent to 表1 单向开发轻（2)系列长圈公称内很。裘5
双向开设
北向开设轮
48000型
48305
48306
48307
48308
48309
48310
48311
48312|| tt||48313
48314
48315
48316
58000型
58305
58306
58307||tt ||58308
58309
58310
58311
58312
58313
58314
58315
58316
48317
158317
48318
48320
48322
48324
58318
58320| |tt||58322
58324
d
25
30
35
40
45||tt ||50
55
60
65
70
75
80
85
90
100
10
120
t42
20
25
30
DT| |tt||52
60
68
30
78
3585
40
45||tt ||50
95
105
110
55115
55125
60135
65140
1703150
75155
37.6
41.3
47.2
54.1
56.3
64.7
72.6| |tt||70.7
71.9
80.3
87.2
86.1
95.2
97.1
105.4||tt ||85170
95
118.4
190
[131.2
100[210
d uzin
27
32
37
42
47||tt| |52
57
62
67
72
77
82
88
93
E03
113
123
尺
D2zsnax
52
60
68|| tt||78
85
95
105
110
115
1125
135||tt| |140
150
155
170
B
8
9
Txtain
1.1
1.1
. 1
1.1
1.5
1.5
1.5
1.5
1.5
1.5
2| |tt||2
2
R
100
112
125
125
140||tt ||160
160
180
180
200
200
225
225
中(3)系列
Femin
1
1
10
12
12
14||tt ||15
115
15
16
18
118
19
18
21
189.5
209.5
24
27
注：1）d equivalent to 2 single内很。1.1
1.1
111
1.1
R
45
50
56
64
64
72
80
90
90
1.1100
1.5
1100| |tt||1.5112
1.5112
1.5
112
1.5125
2
2. 1
140
160
A
42
49
62
58.5
63| |tt||寸
r istuin
1
1
」
1.1
1.1
83.5|| tt||74.5
70
87
108.5
93.5
120.5
114
A||tt| |18
19.5
21
23.5
21
23
'25.5
36.5
寸
34.5
39
32.5
45.5
39
36.5
42
55| |tt||58
1.1
1.1
1.1
1.1
2
2
2||tt ||rismin
0.3
0.3
0.3
0.6
0.6
0.6
0.6
0.6
0.6
1.
1
1
1
1
1
1
1.1
T,
76
81
81
82
96
99| |tt||109
110
J17
118
1131
133
134
42||tt ||46
52
59
62
70
78
78
79
88
95
95
105
106
mm
d
C
1101140113.5| |tt||12515514
[135165|14
145175115
160195
17
170|21017
180||tt| |225
20.5
19023521
200
250/21.5
21026021.5
230280
23||tt| |2402902
23
26031025
m
d.
D,
38
55||tt| |45162
15272
160
82
65
72
C
6
7
7.5
8.5
9010
100
180110
185115
90120
11|| tt||11.5
11.5
12.5
98 h30
13
105140
15
10|14515| |tt||1115155
120160
115
128
143
17.5
18
135175||tt ||150195
165
220
18
20.5
22
479
承电视||tt| |48300型58000型
18-105
18106
58105
58116
18167 58-07
18.408||tt| |18-109
18110
18411
48412
48-113
48414
48415
48416|| tt||48417
48418
48420
58468
56409
68410
58411
58412||tt| |58413
58414
58415
58416
58417
58418
58420
25
30
35
1
15
50
55
60
65
70|| tt||75
80
85
90
100
.
15
20
25
n
60
70
80
T|| tt||49.7
56.2
63.1
90
69.5
3
35
oo||tt| |40110
120
15
130
50
78.9
83.2
92||tt| |99
50
140
109.4
55
150
160
60
65170
114.1
123
28.5
138
180
65
170190
143.5|| tt||80210
159.9
JB5305-91
表6双向小防
尺
tf t nin
27||tt ||32
37
42
47
52
57
62
68
73
78
83
88
93
103
Dastunx
62
70| |tt||80
90
100
110
120
130
140
150||tt ||160
170
Ｒ
11
14
15
17
18
20
21
23
21
26
27
179.529
189.530
209.533| |tt||注：1）d is equivalent to 表3单向开合重（4)系列长圈公称内很。表7
d或d.mm
18
18
30
50
80
120
180
250
315
18|| tt||30
50
80
120
180
250
315
100||tt| |500
480
Da+mm
30
50
80
120
180||tt| |250
315
100
重（4）系列
rnin
1.1
1.1
1.| |tt||1.5
1.5
1.5
R
50
56
64
72||tt ||80
90
90
100
112
112
125
2.1125
2.
140
2.1140
3
160
长圈（或中圈)内很公差
Aanp或Ad 2mp||tt ||内定
上
0
0
0
0
0
0
0
0
表8调心座迷圈外很公差
Dgma
上
30
50
80
120
180
250
315
400
500
630
差| |tt||偏
0
0
0
0
0
0
0||tt ||()
0
0
Alt
15
16
18.5
22||tt| |23.5
30
22.5
28
34
28.5
36.5
30.5
40.5
34.5
43.5
下自定
8
-10
12
-15
20
-25
30
35
+.40
偏羞
下
13||tt ||16
19
22
·25
30
35
.0
-45|| tt||--50
raui
3.6
0.6
. 6
0. 6
0.6
0.6
0.6
0.6
1
1
1.1
1.1| |tt||1.1
55
62
77
86
92
1101
107||tt ||1119
125
135
140
1.50
157
176
mrn
d:n
4262
5075
5885
C
19
659512
72105
12.5
8011514
8812515.5
95135
10o145
110155
115155
125173
130185| |tt||[140195
155220
Vatp 或Ved
max
6
9
19
23
26
30
Vo.
max
10
12
14
17| |tt||19
23
26
30
3.1
38
16
17.5||tt ||19.5
21
22
23
25.5
27
lem
im
30
50
80
120
180
250
315
18
30| |tt||50
80
120
180
250
315
ef+m
:| |tt||30
50
80
120
180
250
315
100||tt ||进口设计：
JB5305-91
表9长圈（或中圈）及调心座圈死道对底面的安全变动量d.mm
Upper deviation
+20
+-20
+20
+25
r:25
+30
+40
+40
AT
18
30
50
80||tt| |120
180
250
315
400
Table 10
Lower deviation
250||tt| |—250
-300
300
400
400
—400
500
S||tt ||max
10
10
10
10
15
15
20
25
30
Bearing height tolerance
AT
Upper deviation
+100
100
+100|| tt||150
+150
-15
+200
1:200
This standard is proposed by the National Rolling Bearing Standardization Technical Committee. This standard is recommended by Luoyang Bearing Research Institute. This standard is drafted by Wafangdian Bearing Factory. The main drafter of this standard is Yang Wang.
Lower deviation
250
—250
300
300
400
400
- 400
-500
AT
upper deviation
1150
4150
150
200
+200
+250
350
+350
Lower deviation
-400
-400
500| |tt||-·500
-600
600
-- 700
.700
na
with the same axis ring
shaft ring
AT
is recommended
-300
-··300
300
- +:400
+400
-i500
600
-600
m
μm

4.00
100
:500
·500
600
60
700
700
181
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