Tapered roller bearings have tapered inner and outer ring raceways between which tapered rollers are arranged. The projection lines of all the tapered surfaces meet at a common
30218/DF
30220/DF
30224/DF
30230/DF
31305/DF
31306/DF
31307/DF
31308/DF
31309/DF
31310/DF
31311/DF
31312/DF
31313/DF
31314/DF
31315/DF
31316/DF
31317/DF
31318/DF
31319/DF
31320X/DF
31322X/DF
31324X/DF
31326X/DF
31328X/DF
31330X/DF
32014X/DF
32017X/DF
32018/DF
32020X/DF
32022X/DF
32024X/DF
32026X/DF
32028X/DF
32030X/DF
32032X/DF
Tapered roller bearings have tapered inner and outer ring raceways between which tapered rollers are arranged. The projection lines of all the tapered surfaces meet at a common point on the bearing axis. Their design makes tapered roller bearings particularly suitable for the accommodation of combined (radial and axial) loads. The axial load carrying capacity of the bearings is largely determined by the contact angle ; the larger contact angle the greater axial load carrying capacity .
Tapered roller bearings are generally separable, i.e. the cone, consisting of the inner ring with roller and cage assembly, can be mounted separately from the cup (outer ring).
Boundary Dimensions
(mm)
Basic Load
Rating
(K N )
Limiting
Speed(rpm)
Bearing
Designation
Other dimension
Calculate coefficient
Mass
(kg)
Grease
Oil
d
D
T
r3、r4min
r5min
Cr
Cor
da
(max)
Da
(min)
Da
(max)
Ca
(min)
ra
(max)
rb
(max)
e
Y1
Y2
Y0
Approx
90
160
65
2
0.6
336
490
1700
2400
30218/DF
104
140
150
5
2
0.4
0.43
1.6
2.3
1.6
5.15
100
180
74
2.5
1
418
640
1600
2200
30220/DF
116
157
168
5
2
0.8
0.43
1.6
2.3
1.6
7.7
120
215
87
2.5
1
583
915
1300
1800
30224/DF
141
187
203
6
2
0.8
0.43
1.6
2.3
1.6
13
150
270
98
3
1
737
1120
900
1300
30230/DF
175
234
256
9
2.5
0.8
0.43
1.6
2.3
1.6
22.5
25
62
36.5
1.5
0.6
64.4
80
4500
6000
31305/DF
34
47
55
3
1.5
0.4
0.83
0.81
1.2
0.8
0.55
30
72
41.5
1.5
0.6
80.9
100
4000
5300
31306/DF
40
55
65
3
1.5
0.4
0.83
0.81
1.2
0.8
0.85
35
80
45.5
1.5
0.6
105
134
3400
4500
31307/DF
45
62
71
3
1.5
0.4
0.83
0.81
1.2
0.8
1.1
40
90
50.5
1.5
0.6
128
163
3000
4000
31308/DF
53
77
81
3
1.5
0.4
0.83
0.81
1.2
0.8
1.5
45
100
54.5
1.5
0.6
157
204
2600
3600
31309/DF
57
79
91
4
1.5
0.4
0.83
0.81
1.2
0.8
2
50
110
58.5
2
0.6
183
240
2400
3400
31310/DF
62
87
100
4
2
0.4
0.83
0.81
1.2
0.8
2.6
55
120
63
2
0.6
209
275
2000
3000
31311/DF
68
94
110
4
2
0.4
0.83
0.81
1.2
0.8
3.3
60
130
67
2.5
1
246
335
1900
2800
31312/DF
74
103
118
5
2
0.8
0.83
0.81
1.2
0.8
4.1
65
140
72
2.5
1
281
380
1800
2600
31313/DF
80
111
128
5
2
0.8
0.83
0.81
1.2
0.8
5.05
70
150
76
2.5
1
319
440
1700
2400
31314/DF
85
118
138
5
2
0.8
0.83
0.81
1.2
0.8
6.15
75
160
80
2.5
1
358
490
1600
2200
31315/DF
91
127
148
6
2
0.8
0.83
0.81
1.2
0.8
7.25
80
170
85
2.5
1
380
530
1600
2200
31316/DF
97
134
158
6
2
0.8
0.83
0.81
1.2
0.8
8.75
85
180
89
3
1
413
570
1500
2000
31317/DF
103
143
166
6
2.5
0.8
0.83
0.81
1.2
0.8
10
90
190
93
3
1
457
630
1400
1900
31318/DF
109
151
176
5
2.5
0.8
0.83
0.81
1.2
0.8
11.5
95
200
99
3
1
501
710
1300
1800
31319/DF
114
157
186
5
2.5
0.8
0.83
0.81
1.2
0.8
13
100
215
113
3
1
644
930
1200
1700
31320X/DF
121
168
201
7
2.5
0.8
0.83
0.81
1.2
0.8
18
110
240
126
3
1
781
1160
1000
1500
31322X/DF
135
188
226
7
2.5
0.8
0.83
0.81
1.2
0.8
26
120
260
136
3
1
935
1400
950
1400
31324X/DF
145
203
246
9
2.5
0.8
0.83
0.81
1.2
0.8
38.5
130
280
144
4
1.5
1050
1560
900
1300
31326X/DF
157
218
262
8
3
1
0.83
0.81
1.2
0.8
40
140
300
154
4
1.5
1190
1800
850
1200
31328X/DF
169
235
282
9
3
1
0.83
0.81
1.2
0.8
52.5
150
320
164
4
1.5
1340
2040
800
1100
31330X/DF
181
251
302
9
3
1
0.83
0.81
1.2
0.8
58.5
70
110
50
1.5
0.6
172
305
2400
3400
32014X/DF
78
98
103
5
1.5
0.4
0.43
1.6
2.3
1.6
1.8
85
130
58
1.5
0.6
238
450
1900
2800
32017X/DF
94
117
123
6
1.5
0.4
0.44
1.5
2.3
1.6
2.8
90
140
64
1.5
0.6
292
540
1800
2600
32018/DF
100
125
131
6
1.5
0.4
0.43
1.6
2.3
1.6
3.65
100
150
64
1.5
0.6
292
560
1700
2400
32020X/DF
110
134
141
6
1.5
0.4
0.46
1.5
2.2
1.4
3.95
110
170
76
2
0.6
402
780
1600
2200
32022X/DF
123
152
160
7
2
0.4
0.43
1.6
2.3
1.6
6.3
120
180
76
2
0.6
418
830
1300
1800
32024X/DF
132
161
170
7
2
0.4
0.46
1.5
2.2
1.4
10
130
200
90
2
0.6
530
1080
1300
1800
32026X/DF
144
178
190
7
2
0.4
0.43
1.6
2.3
1.6
10
140
210
90
2
0.6
561
1160
1200
1700
32028X/DF
153
187
200
7
2
0.4
0.46
1.5
2.2
1.4
11
150
225
96
2.5
1
644
1320
1100
1600
32030X/DF
164
200
213
8
2
0.8
0.46
1.5
2.2
1.4
13.3
160
240
102
2.5
1
737
1560
1000
1500
32032X/DF
175
213
228
8
2
0.8
0.46
1.5
2.2
1.4
16
FACTORY WORKSHOP
Welcome to Shandong Ruihe Bearing Manufacturing Co., Ltd., your trusted partner for high-quality bearings. With over twenty years of experience in the industry, we are a leading bearing manufacturer with a strong reputation for excellence.
CUSTOMER VISIT
As a professional bearing manufacturer, we offer a wide range of bearing products to meet the diverse needs of our customers. Our products are designed and manufactured to the highest quality standards to ensure reliability and durability. Whether you are looking for standard bearings or custom solutions, we have the expertise and capabilities to meet your requirements.
APPLICATION AREAS
It is mainly used to support the rotating body, reduce friction during movement, and ensure the rotation accuracy of the machine. They are widely used in many fields, machinery manufacturing, automobile industry, electric power industry, aerospace industry, railway transportation. Such as train wheel bearings and train wheel bearings, etc., play an important role in the operation of trains.
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FAQ
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