Series 30200-Single Row Tapered Roller Bearings OEM/ODM

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Series 30200-Single Row Tapered Roller Bearings

  • Metric Series
  • Inch series
  • Design Variants
  • Cage
  • Tolerance
  • Internal clearance
Model Dimensions Extreme speed Rated load Calculation factor Abutment and fillet dimensions(mm) Weight [kg]
DIN720
ISO355
d
D
B
C T r1,r2 min  r3,r4 min a Grease lubrication Oil lubrication Dynamic load Static load e Y Yo Da max db min da min Db min Ca min Cb min
3226
T4FD130
130
230
64
54 67.75 4 3 56 1500 2000 570 865 0.44 1.38 0.76 146 144 193 219 7 13.5 11.7
30202
--
15
35
11
10 11.75 0.6 0.6 10 12000 17000 12.2 11.4 0.46 1.3 0.72 21 21 29 32 2 2 0.06
30203
T2DB017
17
40
12
11 13.25 1 1 10 10000 15000 20 20 0.35 1.74 0.96 23 23 34 37 2 2 0.08
30204
T2DB020
20
47
14
12 15.25 1 1 11 8500 12000 28.5 29 0.35 1.74 0.96 27 26 40 43 2 3 0.13
30205
T3CC025
25
52
15
13 16.25 1 1 13 7500 10000 32.5 35.5 0.37 1.6 0.88 31 31 44 48 2 3 0.16
30206
T3DB030
30
62
16
14 17.25 1 1 14 6300 8500 44 49 0.37 1.6 0.88 37 36 53 57 2 3 0.22
30207
T3DB035
35
72
17
15 18.25 1.5 1.5 15 5300 7000 54 60 0.37 1.6 0.88 440 42 62 67 3 3 0.32
30208
T3DB040
40
80
18
16 19.75 1.5 1.5 17 4800 6300 62 68 0.37 1.6 0.88 49 47 69 74 3 3.5 0.43
30210
T3DB050
50
90
20
17 21.75 1.5 1.5 20 4300 5600 80 96.5 0.42 1.43 0.79 58 57 79 85 3 4.5 0.54
30211
T3DB055
55
100
21
18 22.75 2 1.5 21 3800 5000 91.5 108 0.4 1.48 0.81 64 64 88 94 4 4.5 0.7
30212
T3EB060
60
110
22
19 23.75 2 1.5 22 3400 4500 104 122 0.4 1.48 0.81 70 69 96 103 4 4.5 0.92
30213
T3EB065
65
120
23
20 24.75 2 1.5 23 3000 4000 120 143 0.4 1.48 0.81 77 74 106 113 4 4.5 1.1
30214
T3EB070
70
125
24
21 26.25 2 1.5 25 3000 4000 132 163 0.42 1.43 0.79 81 79 110 118 4 5 1.2
30215
T4DB075
75
130
25
22 27.25 2 1.5 27 2800 3800 137 173 0.44 1.38 0.76 86 84 115 124 4 5 1.4
30216
T3EB080
80
140
26
22 28.25 2.5 1.5 28 2400 3400 156 193 0.42 1.43 0.79 91 90 124 132 4 6 1.6
30217
T3EB085
85
150
28
24 30.5 2.5 2 30 2200 3200 180 228 0.42 1.43 0.79 97 95 132 141 5 6.5 2.1
30218
T3FB090
90
160
30
26 32.5 2.5 2 32 2000 3000 204 260 0.42 1.43 0.79 103 100 140 150 5 6.5 2.6
30219
T3FB095
95
170
32
27 34.5 3 2.5 34 1900 2800 224 285 0.42 1.43 0.79 110 107 149 159 5 7.5 3.2
30220
T3FB100
100
180
34
29 37 3 2.5 36 1900 2800 250 325 0.42 1.43 0.79 116 112 157 168 5 8 3.8
30221
T3FB105
105
190
36
30 39 3 2.5 38 1800 2600 280 365 0.42 1.43 0.79 122 117 165 177 6 9 4.2
30222
T3FB110
110
200
38
32 41 3 2.5 39 1700 2400 315 415 0.42 1.43 0.79 129 122 174 187 6 9 5.2
30224
T4FB120
120
215
40
34 43.5 3 2.5 43 1600 2200 340 455 0.44 1.38 0.76 140 132 187 201 6 9.5 6.8
30226
T4FB130
130
230
40
34 43.75 4 3 46 1500 2000 360 480 0.44 1.38 0.76 152 144 203 217 7 9.5 7.2
30228
T4FB140
140
250
42
36 45.75 4 3 47 1400 1900 425 570 0.44 1.38 0.76 163 154 219 234 9 9.5 8.5
30230
T4GB150
150
270
45
38 49 4 3 52 1300 1800 475 640 0.44 0.38 0.76 175 164 234 250 9 11 11.1
30232
T4GB160
160
290
48
40 52 4 3 51 1100 1600 405 585 0.37 1.61 0.89 189 174 252 269 9 12 13.2
30234
T4GB170
170
310
52
43 57 5 4 60 1000 1500 600 830 0.44 1.38 0.78 203 188 269 288 8 14 17
30236
T4GB180
180
320
52
43 57 5 4 62 1000 1500 570 800 0.45 1.33 0.73 211 198 278 297 9 14 17.9
30238
T4GB190
190
340
55
46 60 5 4 62 950 1400 530 780 0.39 1.56 0.86 224 207 298 318 9 14 21
30240
T4GB200
200
360
58
48 64 5 4 69 900 1300 1320 2160 0.44 2.31 1.52 237 217 315 336 9 16 25.1
30244
T4GB220
220
400
65
54 72 5 4 75 850 1200 950 1320 0.42 1.43 0.79 255 237 348 371 10 18 34.6
30248
--
240
440
72
60 79 5 4 -- 800 1100 990 1400 0.44 1.4 0.74 290 267 401 422 -- -- 45.2
30252
--
260
480
80
67 89 6 5 -- 700 950 1190 1700 0.44 1.4 0.74 318 291 438 461 -- -- 60.7
30256
--
280
500
80
67 89 6 5 -- 700 950 1240 1900 0.44 1.4 0.74 336 313 456 478 -- -- 66.3
30260
--
300
540
95
71 96 6 5 -- 650 920 1440 2100 0.44 1.4 0.74 357 331 493 517 -- -- 80.6
30264
--
320
580
92
75 104 6 5 -- 600 800 1640 2420 0.44 1.4 0.74 382 354 529 554 -- -- 99.3
30272
--
360
680
150
125 165 7.5 7.5 -- 480 630 3690 6300 0.6 1 0.6 394 416 551 646 -- -- 260

Ningbo DHK Precision Bearing Co., Ltd.

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    Years Experience Working

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    Customer Service

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    Patented Technology

Ningbo DHK Precision Bearing Co., Ltd. (“DHK” for short) is a specialist enterprise engaged in the R&D, manufacture and sales of bearings. Is a famous China Series 30200-Single Row Tapered Roller Bearings Factory and OEM/ODM Series 30200-Single Row Tapered Roller Bearings Company. And is located in Ningbo Zhenhai Economic Development Zone with convenient transportation. Since the establishment for over a decade, "technology", "quality" and "service" have always been the initial issues in our mind for the sake of development. We provide reliable products and special customized services for global enterprises in heavy industry and have got the Satisfaction and won good reputation of a number of enterprises at home and abroad.

DHK mainly produces cylindrical roller bearings, conical roller bearings, self-aligning roller bearings, ball bearings, as well as various kinds of non-standard bearings and bearings with specially treated surface. So far, DHK’s bearings have been widely applied in such fields as engineering machinery, industrial pump, machine tool, compression engine, gear case, wind power and metallurgy in developed European and American countries.

DHK has the measuring room and inspection room of bearings in the industry and has introduced top-end inspection equipment worldwide and established the QC system in China,thus guaranteeing product quality in an all-round way.

CERTIFICATE

DHK has passed IATF16949 quality system certification and ISO14001 environmental management system certification;and DHK is a national high-tech enterprise.

  • Honor
  • Honor
  • Environmental Managementsystem Certificate
  • Measurement Management System
  • Invention patent1
  • Invention patent2
  • Invention patent3
  • High-tech enterprises

Latest News

Industry Knowledge Expansion

1. Understanding Series 30200 Single Row Tapered Roller Bearings
Series 30200 Single Row Tapered Roller Bearings are engineered to accommodate both radial and axial loads by virtue of their tapered design. This configuration enables efficient distribution of forces along the bearing axis, allowing for smooth and reliable operation even under demanding conditions. The tapered geometry of these bearings ensures that the contact between the rolling elements (tapered rollers) and the races (inner and outer rings) occurs at a precise angle, facilitating optimal load distribution and minimizing friction. Within the Series 30200, the inner ring (cone) and outer ring (cup) are meticulously designed to ensure proper alignment and fit, essential for maintaining structural integrity and load-bearing capacity. The tapered rollers, positioned between the inner and outer rings, transmit forces between the two races while accommodating any misalignment or deflection, thus mitigating stress concentrations and reducing the likelihood of premature wear or failure. Series 30200 bearings are equipped with a cage assembly that retains and guides the tapered rollers, ensuring uniform spacing and alignment. This feature not only enhances the overall stability of the bearing but also reduces frictional losses, contributing to improved efficiency and reduced operating temperatures. The design of Series 30200 Single Row Tapered Roller Bearings embodies a harmonious balance between structural integrity, load-carrying capacity, and operational efficiency. By virtue of their tapered configuration and meticulous engineering, these bearings stand as reliable assets in various industrial applications, providing exceptional performance and longevity.

2. Design Features and Construction
The construction of Series 30200 Single Row Tapered Roller Bearings is testament to precision engineering and meticulous craftsmanship. Each component is carefully crafted and assembled to exacting standards, ensuring optimal performance and longevity in diverse operating environments. The inner and outer rings of Series 30200 bearings are forged from high-quality steel, selected for its exceptional strength, durability, and resistance to deformation. Through advanced manufacturing processes such as precision grinding and heat treatment, these rings are meticulously finished to precise dimensions and surface finishes, facilitating smooth and efficient operation. The tapered rollers, another critical component of Series 30200 bearings, are engineered to withstand high radial and axial loads while minimizing frictional losses. These rollers are precisely machined and heat-treated to enhance hardness and durability, ensuring reliable performance under varying operating conditions. Complementing the inner and outer rings and tapered rollers is the cage assembly, typically constructed from steel or synthetic materials. The cage serves to retain and guide the rollers, preventing contact and friction between adjacent elements while maintaining proper spacing and alignment. This feature not only enhances the overall stability of the bearing but also promotes smoother rotation and reduced wear over time.