Tapered roller bearing
Tapered roller bearing
1) The scope of processingd:
Single-row tapered roller bearing φ120~φ1500mm
Double-row tapered roller bearing φ140~φ1500mm
Four-row tapered roller bearing φ140~φ1500mm
2) Characteristics:
Tapered roller bearing is designed in such a way that cone apexes of inner ring raceway , outer ring raceway and roller raceway intersect at one point of its central line .
Beside metric series products, there are inch series products
Applicable for heavy load and impact load .
3) Examples of specifications:
双列圆锥滚子轴承Double-row tapered roller bearing
外形尺寸mm
Boundary dimensions
基本额定负荷kN
Basic load ratings
轴承型号
Designations
安装相关尺寸mm
Abutment and fillet dimensions
计算系数
Calculation Factor
重量Kg
Weight
d
D
T
B
r1,2
min
r3,4
min
dyc
Cr
stc
Cor
现用型号
Current
Designations
原用型号
Old Designations
da
max
Da
min
a2
ra
max
ra1
max
Y1
Y2
Y0
e
140
210
95
75
2.5
0.6
498
924
352028RX2
2697128
147
200
12
2
0.6
1.8
2.7
1.8
0.37
12.1
180
300
164
134
3
1
1260
2510
352136
2097736
194
279
14
2.5
1
2.46
3.93
2.58
0.26
39.3
240
440
294
240
4
1
3349
5508
32248X2/DB
3-745
252
427
2.6
3
1
1.6
2.3
7.5
0.43
174
260
440
225
180
4
1.1
2630
5190
352152
 
278
418
25
3
3
1.76
2.68
1.76
0.37
131
300
500
205
152
5
1.5
2618
4165
351160
1097760
327
470
28
4
1.5
2.1
3.2
2.1
0.32
143
360
530
155
110
5
1.5
1344
2800
350672D1
37772
378
510
25
4
1.5
1.7
2.5
1.6
0.4
109
480
700
240
180
6
2.5
2928
5316
351096
97196
511
671
32
5
2
2.1
3.1
2.1
0.32
281
800
1.60
270
2.4
6
2.5
6086
13464
3519/800
10979/800
838
1031
37
5
2
1.9
2.9
1.9
0.35
604
1120
1460
335
250
7.5
3
10309
23290
3506/1120
10979/1120
1170
1427
45
6
2.5
1.9
2.9
1.9
0.35
1344
 
 
 
 
四列圆锥滚子轴承Four-row tapered roller bearing
外形尺寸mm
Boundary dimensions
基本额定负荷kN
Basic load ratings
轴承型号
Designations
安装相关尺寸mm
Abutment and fillet dimensions
计算系数
Calculation Factor
重量Kg
Weight
d
D
T
B
r1,2
min
r3,4
min
dyc
Cr
stc
Cor
现用型号
Current
Designations
原用型号
Old Designations
da
max
Da
min
a2
ra
max
ra1
max
Y1
Y2
Y0
e
140
210
185
185
2.5
2
604
1095
382028
2077128
151
193
6.5
2.5
2
1.8
2.7
1.8
0.37
24.1
240
360
310
310
4
3
2290
6240
382048/HC3
 
258
325
15
3
2.5
1.9
2.8
1.9
0.36
111
300
500
370
370
5
4
3654
6776
381160
107760
327
460