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Tapered Roller Bearing
Metric Series Taper Roller Bearing
31300 Series
Products
Inner diameter
-
...
10
100
100*210*67
100×145×180×56
100×145×200×53
100×145×200×69.8
100×145×240×80
100×165×52
100×180×46
100×180×60.3
100×200×53
100×215×73
100×240×110
1000
1000*1220*218
1000*1280*200
1000*1300*240
1000*1300*250
1000*1300*270
1000*1300*300
1000*1320*315
1000*1350*330
1000*1400*270
1000*1400*300
1000*1500*360
1000*1500*400
1000x1320x236
1000x1420x308
1000x1420x412
1000x1580x462
1000x1580x580
100x150x37
100x150x50
100x165x52
100x165x65
100x180x46 mm
100x180x60.3
100x210x67
100x215x73
1020*1320*240
1022
103
105
105×175×56
1055
105x175x56
1060
1060*1400*260
1060*1400*335
1060x1400x250
1060x1500x325
1060x1500x438
1061*1400*259
107
1074
108
110
110*230*73
110×155×200×62
110×155×215×58
110×155×215×76
110×155×260×86
110×180×56
110×200×53
110×200×536
110×200×69.8
110×215×88
110×240×80
110×260×120
1100*1500*350
1100*1500*400
110x170x45
110x170x60
110x180x46
110x180x56
110x180x69
110x200x53 mm
110x200x69.8
110x230x73
110x240x80
1110
1120
1120*1460*335
1120x1460x250
1120x1580x345
1120x1580x462
1122
113.5
115
115×165×210×64
115×165×230×64
115×165×230×80
115×165×280×93
115×210×92
115×280×130
115x200x52
1180
1180*1540*355
1180*1600*355
1180x1540x272
1180x1660x355
1180x1660x475
1180x1660x550
119
119.5
1195*1450*200
1195*1500*300
1195*1565*350
1195*1580*260
12
120
120*250*78
120×180×46
120×200×62
120×215×58
120×215×76
120×260×86
1200
1200*1300*280
1200*1580*300
1200*1600*290
1205
120x180x46
120x180x60
120x200x62
120x200x80
120x215x58 mm
120x215x76
120x250x78
120x260x86
121.5
1215*1450*200
1224
1240
1242
125
125×180×225×68
125×180×250×68
125×180×250×88
125×180×300×102
125×300×140
1250
1250*1800*290
1250x1630x280
1250x1750x375
1250x1750x500
1250x1950x530
125x210x53
1260
127.5
1270*1600*260
1280
129
129.5
129.5×225×76
1290
1295*1665*300
1295*1665*350
130
130.5×225×76
130*225*58
130*270*85
130×200×52
130×210×64
130×225×76
130×230×64
130×230×80
130×280×93
1300*1665*280
130x200x52
130x200x69
130x200x70
130x200x71
130x210x64
130x210x80
130x225x58
130x230x64 mm
130x230x80
130x270x85
130x280x93
132.5
1320
1320*1720*400
1320x1720x300
1320x1850x530
133
1330*1600*280
134
135
135×195×250×80
135×195×270×73
135×195×270×96
135x225x56
135x270x96
1390
140
140*240*60
140*280*85
140×210×270×86
140×210×290×104
140×210×290×80
140×210×340×114
140×225×68
140×250×68
140×250×88
140×300×102
1400
1400*1760*350
1400*1800*340
1400*1820*425
1400x1820x315
1405
140x210x53
140x210x69
140x225x68
140x225x85
140x240x60
140x250x68 mm
140x250x88
140x280x85
140x300x102
1424
143
143.5
145
1460
15
150
150.2
150*250*60
150*300*90
150×220×280×88
150×220×310×110
150×220×310×86
150×220×360×120
150×250×80
150×270×73
150×270×96
150×320×108
1500
1500*1820*315
1500*1850*280
1500*1900*300
1500*1930*330
1500*1950*450
1500x1950x335
150x225x56
150x225x75
150x225x76
150x250x100
150x250x60
150x250x80
150x260x67
150x270x73
150x270x73 mm
150x270x96
150x300x90
150x310x110
150x320x108
1540
155
156
159
159.5
160
160*270*67
160*320*95
160×230×300×96
160×230×320×112
160×230×320×86
160×230×380×126
160×270×66
160×270×86
160×290×104
160×290×80
160×340×114
160×380×180
1600
1605
160x240x60
160x240x80
160x270x109
160x270x67
160x270x80
160x270x86
160x280x74
160x290x104
160x290x80 mm
160x320x95
160x340x114
1624
165
165.1
1660
169
169.5
17
170
170*280*67
170*340*103
170×240×320×104
170×240×340×120
170×240×340×92
170×240×400×132
170×280×88
170×310×110
170×310×86
170×360×120
1700
170x230x45
170x260x67
170x260x90
170x280x109
170x280x67
170x280x88
170x290x75
170x310x110
170x310x86 mm
170x340x103
170x360x120
174.625
1740
177.8
1779
1785
18
180
180*300*73
180*360*109
180×250×340×112
180×250×360×128
180×250×360×98
180×250×420×138
180×300×96
180×320×112
180×320×86
180×380×126
1800*2180*375
1800*2200*360
1800*2200*400
180x250x52
180x250x53
180x280x100
180x280x74
180x300x118
180x300x73
180x300x96
180x310x82
180x320x112
180x320x86 mm
180x360x109
180x380x126
1825
190
190*320*78
190*380*115
190×320×104
190×340×120
190×340×92
190×400×132
1900
190x260x52
190x290x100
190x290x75
190x320x104
190x320x128
190x320x78
190x340x120
190x340x92 mm
190x380x115
190x400x132
1940
199.5
20
200
200*340*85
200*400*122
200×280×370×120
200×280×400×108
200×280×400×144
200×280×460×145
200×340×112
200×360×128
200×360×98
200×400×144
200×420×138
200x280x60
200x310x109
200x310x82
200x340x112
200x340x140
200x340x85
200x360x128
200x360x28
200x360x98
200x360x98 mm
200x400x122
200x420x138
2019
2025
205
2060*2430*310
2065
2070*2430*310
210
215
2178
22.9
220
220*300*48
220×300×400×128
220×300×440×120
220×300×440×160
220×300×500×155
220×370×120
220×400×108
220×400×144
220×460×145
220x300x48
220x300x60
220x340x118
220x340x90
220x360x92
220x370x120
220x370x150
220x400x108 mm
220x400x144
220x460x145
2240
225
2279
2285
230
230x340x118
2325
240
240*380*85
240*440*122
240×330×440×144
240×330×480×130
240×330×480×174
240×330×540×165
240×400×128
240×440×120
240×440×160
240×500×155
240x320x60
240x360x118
240x360x92
240x380x85
240x400x104
240x400x128
240x400x160
240x440x120 mm
240x440x122
240x440x160
240x500x155
2418
241x360x92
25
25×52×18
250
2579
2585
260
260*360*60
260*420*95
260*480*132
260×350×460×146
260×350×500×130
260×350×500×176
260×350×580×175
260×440×144
260×480×130
260×480×174
260×540×165
260x360x60
260x360x75
260x400x104
260x400x140
260x420x106
260x420x95
260x440x144
260x440x180
260x480x130 mm
260x480x132
260x480x174
260x540x165
2625
265
2678
27
270
279.5
28
28.5
280
280*380*60
280*440*95
280×380×500×160
280×380×540×140
280×380×540×192
280×460×146
280×500×130
280×500×176
280×580×175
280x380x60
280x380x75
280x420x106
280x420x140
280x440x95
280x460x118
280x460x146
280x460x180
280x500x130 mm
280x500x176
280x580x175
285
2868
2872
290
292
2978
30
30×62×20
300
300*420*73
300*480*109
300*540*145
300×240×192
300×400×540×176
300×400×580×208
300×500×160
300×540×140
300×540×192
300x420x73
300x420x90
300x460x118
300x460x160
300x480x109
300x480x121
300x500x160
300x500x200
300x540x140 mm
300x540x145
300x540x192
300x620x185
304
309.5
31
310
32
320
320*440*73
320*580*155
320×440×580×190
320×440×620×224
320×540×176
320×580×150
320×580×208
320x440x73
320x440x90
320x480x121
320x480x160
320x520x133
320x540
320x540x176
320x540x218
320x580x150 mm
320x580x155
320x580x208
320x670x200
3268
3272
33
330
3322
3376
340
340*460*73
340*620*170
340×460×600×192
340×460×650×232
340×580×190
340×620×224
340×710×212
340x460x73
340x460x90
340x520x133
340x520x160
340x520x180
340x540x134
340x580
340x580x190
340x580x243
340x620x165 mm
340x620x170
340x620x224
340x710x212
35
35×58×80×23
35×58×90×33
35×72×23
35×90×40
350
35x80x31
35x90x33
360
360*500*85
360*560*122
360*640*170
360×490×620×194
360×490×680×240
360×600×192
360×650×232
360×750×224
360x480x90
360x540x134
360x540x180
360x560x122
360x560x135
360x600x192
360x600x243
360x640x170
360x650x170 mm
360x650x232
360x750x224
365
366
37
37.5
370
3718
3722
375
3772
3776
38
38.5
380
380×520×650×200
380×620×194
380×680×240
380×780×230
380x520x106
380x560x135
380x560x180
380x600x148
380x620x194
380x620x243
380x680x240
380x700x175 mm
384
390
398
4.2
40
40×65×100×36
40×65×85×23
40×80×23
40×85×23
40×90×33
400
400*540*85
400*620*132
400*710*185
400×540×700×224
400×650×200
400×720×256
400×820×243
400x540x106
400x540x85
400x600x148
400x600x200
400x620x132
400x620x150
400x650x200
400x650x250
400x710x185
400x720x185 mm
400x720x256
400x720x280
400x820x243
408
40x90x33
410
410x650x157
419
419.104
42
420
420*580*95
420×700×224
420×760×272
420x560x106
420x580x95
420x620x150
420x620x200
420x700x224
420x700x280
420x760x272
4218
4222
4226
426
4272
43.8
430x680x163
434
44
440
440*780*206
440×720×226
440×790×280
440x600x118
440x650x157
440x650x212
440x720x226
440x720x280
440x780x206
440x790x280
446
448
45
45×100×36
45×110×50
45×70×110×40
45×70×90×23
45×85×23
450
450x700x165
458
45x100x36
45x90x33
46.2
460
460×760×240
460×830×296
460x620x118
460x680x163
460x680x218
460x760x240
460x760x300
460x830x296
47
47.55
470x720x167
4726
480
480*650*103
480×790×248
480×870×310
480x650x128
480x700x165
480x700x218
480x790x248
480x790x308
480x870x310
49.5
493
496
5.2
50
50×100×25
50×110×40
50×120×55
50×75×100×25
50×75×120×43
50×90×23
500
500*670*103
500*870*224
500×830×264
500×920×336
500x420x218
500x670x103
500x670x128
500x720x167
500x720x218
500x830x264
500x830x325
500x870x224
500x920x336
508
510
514
52
520
528
53.5
530
530*710*109
530*780*195
530×870×272
530×980×355
530x710x109
530x710x136
530x780x185
530x780x250
530x870x272
530x870x335
530x980x335
54.5
540
540*745*140
543
545*720*148
545*720*160
545*725*120
545*725*160
545*725*180
545*730*170
545*735*100
545*745*160
55
55×100×25
55×110×28
55×120×43
55×130×60
55×80×110×28
55×80×130×46
550
550*750*160
550*770*160
550*820*230
555*745*130
555*745*140
558.8
560
560*750*115
560*800*185
560*820*160
560×1030×365
560×920×280
560x1030x365
560x750x115
560x750x140
560x820x195
560x820x258
560x920x280
560x920x355
570
576
58.5
580
580*760*130
59
59.5
590*800*180
594
6.3
60
60.4
60×110×28
60×120×31
60×130×46
60×140×48
60×85×120×31
60×85×140×48
60×92×125×31
60×92×150×51
600
600*1030*258
600*840*180
600×1090×388
600×980×300
600x1030x258
600x1090x388
600x800x150
600x870x200
600x870x272
600x980x300
600x980x375
602
608
62
620
630
630*1090*280
630*850*132
630*920*180
630×1030×315
630x1030x400
630x1150x412
630x850x132
630x850x165
630x920x212
630x920x290
636
65
65×120×31
65×130×31
65×140×48
65×140×73
65×98×130×31
65×98×160×55
650
658
66.5
660
660.4
662
666.75
670
670*1150*290
670*900*230
670×1090×336
670x1090x336
670x1090x412
670x1150x290
670x1220x438
670x900x170
670x980x230
670x980x308
678
68
680
690
690*1000*200
690*920*180
690*920*240
695*860*145
695*880*160
695*900*140
695*900*230
695*905*140
695*905*160
695*905*190
695*910*140
695*910*180
695*935*150
695*935*200
695*950*160
695*950*210
698*950*243
7.3
70
70.5
70×105×140×33
70×105×170×58
70×125×31
70×140×33
70×150×51
70×170×80
700
700*1000*200
700*910*160
700*950*180
700*950*210
700*950*230
700*960*180
700x950x180
700x950x185
710
710*1060*212
710*1220*308
710*950*145
710*950*243
710x1030x236
710x1030x315
710x1150x345
710x1150x438
710x1280x450
710x950x145
710x950x180
711.2
72
720
720×760×272
723.8
73.5
730
730*980*180
732
736
749.3
75
75×110×150×36
75×110×180×60
75×130×31
75×150×36
75×160×55
75×180×80
750
750*1000*200
750*1280*315
750x1000x185
750x1090x250
750x1090x335
750x1220x365
750x1220x475
750x1280x315
750x1360x475
758
75x115x30
760x830x108
77
778
78.5
79.6
80
80×120×160×40
80×120×160×52.4
80×120×190×64
80×140×33
80×160×40
80×170×58
80×190×90
800
800*1050*210
800*1060*180
800*1060*200
800*1060*210
800*1060*240
800*1060*250
800*1060*258
800*1060*270
800*1060*300
800*1090*230
800*1100*250
800*1100*280
800*1100*300
800*1200*200
800*1360*335
800*980*180
800x1060x195
800x1090x230
800x1150x258
800x1150x345
800x1280x375
800x1280x475
800x1420x488
812
812.8
82
82.5
820
83.5
830
836
84.5
840
85
85×125×170×43
85×125×200×67
85×150×36
85×170×68
85×180×60
850
850x1120x200
850x1220x272
850x1220x365
850x1360x400
850x1360x500
850x1500x515
858
860
878
88.5
880
880*1100*160
89
890*1200*230
890*1200*250
895*1135*180
895*1135*200
895*1135*250
895*1135*260
895*1140*210
895*1180*160
895*1190*270
895*1265*250
895*1350*272
895x1120x210
90
90×130×165×52
90×130×180×46
90×130×180×60.3
90×130×215×73
90×160×40
90×160×52.4
90×180×46
90×190×64
90×215×100
900
900*1100*160
900*1180*260
900*1200*230
900x1180x206
900x1250x250
900x1270x365
900x1270x478
900x1270x480
900x1280x280
900x1280x375
900x1420x515
90x140x50
920
922
95
95.3
95.5
95×170×43
95×200×67
950
950*1250*300
950x1250x224
950x1360x300
950x1360x412
950x1500x545
955*1270*270
956
96.5
978
995*1240*240
995*1270*270
995*1270*300
995*1320*240
998
NU1019
NU1020
NU1021
NU1022
NU219E
NU220E
NU221
NU2219E
NU2220E
NU2222
NU222E
NU2318
NU2319
NU2320
NU318E
NU319E
NU320E
NU321
NU418
NU419
NU420
NU421
Tapered Roller Bearing
Inch Series Taper Roller Bearing
Metric Series Taper Roller Bearing
30200 Series
30300 Series
31300 Series
32000 Series
32200 Series
32300 Series
33000 Series
33200 Series
Railway Bearing
Spherical Roller Bearing
222 Series
223 Series
230 Series
231 Series
232 Series
239 Series
240 Series
241 Series
Non-standard Series
Cylindrical Roller Bearing
Single Row Cylindrical Roller Bearing
Double Row Cylindrical Roller Bearing
Multi Rows Cylindrical Roller Bearing
Full Complement Cylindrical Roller Bearing
Double Row Full Complement Cylindrical Roller Bearing
Thrust Roller Bearing
Thrust Spherical Roller Bearing
Thrust Cylindrical Roller Bearing
Thrust Tapered Roller Bearing
CARB Toroidal Roller Bearing
Angular Contact Ball Bearing
Single Row Angular Contact Ball Bearing
Double Rows Angular Contact Ball Bearing
Four Point Angular Contact Ball Bearing
Deep Groove Ball Bearing
Deep Groove Ball Bearings
Thrust Ball Bearing
Single Direction Thrust Ball Bearing
Single Direction Thrust Ball Bearing With a Sphered Housing Washer
Double Direction Thrust Ball Bearing
Double Direction Thrust Ball Bearings With Sphered Housing Washers
Slewing Bearing
Single- Row Crossed Roller Slewing Bearing
Single-row Four Point Angular Contact Ball Slewing Bearing
Double-Row Step Bore Ball Slewing Bearing
Three-Row Roller Slewing Bearing
d:
D:
B:
31300 Series
Photo/Drawing
Video
31321
Send Inquiry
PDF
Dimension and Parameters
Bearing No. :
31321
Boundary dimensions（mm）
d :
105
D :
225
T :
58
B :
53
C :
36
Rmin :
4
rmin :
3
Basic load ratings(kN)
Dynamic(Cr) :
402
Static(Cor) :
500
Limiting speed(rpm )
Grease :
1500
Oil :
2000
Mass
Kg :
9.65
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