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Face to face-Paired Single Row Tapered Roller Bearings OEM/ODM

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Face to face-Paired Single Row Tapered Roller Bearings

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  • Back to Back
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  • Design Variants
  • Cage
  • Tolerance
  • Internal clearance
Model
 Dimensions Rated load Fatigue load Extreme speed Weight Bearing dimensions Adjacent and rounded corner sizes Calculation factor
d
D
 T Dynamic load Cr Static load Cor pu Grease lubrication grease Oil lubrication kg 2B r3.4 min r5 min Da max Da min Da max Ca min ra maxe rb maxe e Y1 Y2 Yo
31305.DF
25
62
 36.5 64.4 80 8.8 4500 6000 0.55 34 1.5 0.6 34 47 55 3 1.5 0.4 0.83 0.81 1.2 0.8
31306.DF
30
72
 41.5 80.9 100 11.6 4000 5300 0.85 38 1.5 0.6 40 55 65 3 1.5 0.4 0.83 0.81 1.2 0.8
31307.DF
35
80
 45.5 105 134 15.6 3400 4500 1.1 42 1.5 0.6 45 62 71 3 1.5 0.4 0.83 0.81 1.2 0.8
31308.DF
40
90
 50.5 128 163 19.3 3000 4000 1.58 46 1.5 0.6 53 77 81 3 1.5 0.4 0.83 0.81 1.2 0.8
31309.DF
45
100
 54.5 157 204 25 2600 3600 2 50 1.5 0.6 57 79 91 4 1.5 0.4 0.83 0.81 1.2 0.8
31310.DF
50
110
 58.5 183 240 29 2400 3400 2.9 54 2 0.6 62 87 100 4 2 0.4 0.83 0.81 1.2 0.8
31311.DF
55
120
 63 209 275 33.5 2000 3000 3.45 58 2 0.6 68 94 110 4 2 0.4 0.83 0.81 1.2 0.8
31312.DF
60
130
 67 246 335 40.5 1900 2800 4.1 62 2.5 1 74 103 118 5 2 0.8 0.83 0.81 1.2 0.8
31313.DF
65
140
 72 281 380 47.5 1800 2600 5.6 66 2.5 1 80 111 128 5 2 0.8 0.83 0.81 1.2 0.8
32014X.DF
70
110
 50 172 305 34.5 2400 3400 1.8 50 1.5 0.6 78 98 103 5 1.5 0.4 0.43 1.6 2.3 1.6
31314.DF
70
150
 76 319 440 54 1700 2400 6.22 70 2.5 1 85 118 138 5 2 0.8 0.83 0.81 1.2 0.8
31315.DF
75
160
 80 358 490 58.5 1600 2200 7.25 74 2.5 1 91 127 148 6 2 0.8 0.83 0.81 1.25 0.8
32316.DF
80
140
 70.5 319 490 57 1900 2800 5.8 66 2 0.6 91 122 130 5 2 0.4 0.43 1.6 2.3 1.6
31316.DF
80
170
 85 380 530 64 1600 2200 9.1 78 2.5 1 97 134 158 6 2 0.8 0.83 0.81 1.2 0.8
32017X.DF
85
130
 58 238 450 51 1900 2800 2.8 58 1.5 0.6 94 117 123 6 1.5 0.4 0.44 1.5 2.3 1.6
32217.DF
85
150
 77 369 570 67 1800 2600 5.2 72 2 0.6 97 130 140 5 2 0.4 0.43 1.6 2.3 1.6
31317.DF
85
180
 89 416 570 67 1500 2000 10.5 82 3 1 103 143 166 6 2.5 0.8 0.83 0.81 1.2 0.8
32018X.DF
90
140
 64 292 540 62 1800 2600 3.65 64 1.5 0.6 100 125 131 6 1.5 0.4 0.43 1.6 2.3 1.6
30218.DF
90
160
 65 336 490 57 1700 2400 5.15 60 2 0.6 104 140 150 5 2 0.4 0.43 1.6 2.3 1.6
32218.DF
90
160
 85 429 680 76.5 1700 2400 6.9 80 2 0.6 102 138 150 5 2 0.4 0.43 1.6 2.3 1.6
31318.DF
90
190
 93 457 630 73.5 1400 1900 11.65 86 3 1 109 151 176 5 2.5 0.8 0.83 0.81 1.2 0.8
31319.DF
95
200
 99 501 710 78 1300 1800 14.4 90 3 1 114 157 186 5 2.5 0.8 0.83 0.81 1.2 0.8
32020X.DF
100
150
 64 292 560 63 1700 2400 3.95 64 1.5 0.6 110 134 141 6 1.5 0.4 0.46 1.5 2.2 1.4
30220.DF
100
180
 74 418 640 72 1600 2200 7.7 68 2.5 1 116 157 168 5 2 0.8 0.43 1.6 2.3 1.6
32220.DF
100
180
 98 539 880 96.5 1600 2200 10 92 2.5 1 115 154 168 5 2 0.8 0.43 1.6 2.3 1.6
31320.DF
100
215
 113 644 930 102 1200 1700 19.1 102 3 1 121 168 201 7 2.5 0.8 0.83 0.81 1.2 0.8
32022X.DF
110
170
 76 402 780 95 1600 2200 6.3 76 2 0.6 123 152 160 7 2 0.4 0.43 1.6 2.3 1.6
32222.DF
110
200
 112 682 1140 122 1400 1900 15.2 106 2.5 1 127 170 188 6 2 0.8 0.43 1.6 2.3 1.6
31322.DF
110
240
 126 781 1160 125 1000 1500 26.9 114 3 1 135 188 226 7 2.5 0.8 0.83 0.81 1.2 0.8
32024X.DF
120
180
 76 418 830 90 1300 1800 10 76 2 0.6 132 161 170 7 2 0.4 0.46 1.5 2.2 1.4
30224.DF
120
215
 87 583 915 102 1300 1800 13 80 2.5 1 141 187 203 6 2 0.8 0.43 1.6 2.3 1.6
32224.DF
120
215
 123 792 1400 146 1300 1800 20.9 116 2.5 1 137 181 203 7 2 0.8 0.43 1.6 2.3 1.6
31324.DF
120
260
 136 935 1400 146 950 1400 32.8 124 3 1 145 203 246 9 2.5 0.8 0.83 0.81 1.2 0.8
32926.DF
130
180
 64 341 735 765 -- -- 4.95 64 1.5 0.6 141 167 172 6 1.5 -- 0.33 2 3 2
32026X.DF
130
200
 90 530 1080 110 1300 1800 10 90 2 0.6 144 178 190 7 2 0.4 0.43 1.6 2.3 1.6
30226.DF
130
230
 87.5 627 980 106 -- -- 14.5 80 3 1 152 203 216 7 2.5 -- 0.43 1.6 2.3 1.6
32226.DF
130
230
 135.5 952 1660 170 1100 1600 24.2 128 3 1 156 193 216 7 2.5 0.8 0.43 1.6 2.3 1.6
31326X.DF
130
280
 144 1050 1560 163 -- -- 40 132 4 1.5 157 218 263 8 3 -- 0.83 0.81 1.2 0.8
31326.DF
130
280
 144 1050 1560 163 900 1300 41.95 132 4 1.5 157 218 262 8 3 1 0.83 0.81 1.2 0.8
32028X.DF
140
210
 90 561 1160 118 1200 1700 11 90 2 0.6 153 187 200 7 2 0.4 0.46 1.5 2.2 1.4
30228.DF
140
250
 91.5 721 1140 116 -- -- 18 84 3 1 164 219 236 7 2.5 -- 0.43 1.6 2.3 1.6
32228.DF
140
250
 143.5 1100 2000 200 1000 1500 29 136 3 1 159 210 236 8 2.5 0.8 0.43 1.6 2.3 1.6
31328X.DF
140
300
 154 1190 1800 176 -- -- 52.5 140 4 1.5 169 235 283 9 3 -- 0.83 0.81 1.2 0.8
31328.DF
140
300
 154 1190 1800 176 850 1200 51.1 140 4 1.5 169 235 282 9 3 1 0.83 0.81 1.2 0.8
32030X.DF
150
225
 96 644 1320 132 1100 1600 13.1 96 2.5 1 164 2300 213 8 2 0.8 0.46 1.5 2.2 1.4
30230.DF
150
270
 98 737 1120 114 900 1300 22.5 90 3 1 175 234 256 9 2.5 0.8 0.43 1.6 2.3 1.6
32230.DF
150
270
 154 1250 2280 224 900 1300 38.8 146 3 1 171 226 256 8 2.5 0.8 0.43 1.6 2.3 1.6
31330.DF
150
320
 164 1340 2040 200 800 1100 61.9 150 4 1.5 181 251 302 9 3 1 0.83 0.81 1.2 0.8
31330X.DF
150
320
 164 1340 2040 200 -- -- 58.5 150 4 1.5 181 251 303 9 3 -- 0.83 0.81 1.2 0.8
32032X.DF
160
240
 102 737 1560 156 1000 1500 16 102 2.5 1 175 213 228 8 2 0.8 0.46 1.5 2.2 1.4
30232.DF
160
290
 104 913 1460 143 -- -- 27.5 96 3 1 189 252 275 8 2.5 -- 0.43 1.6 2.3 1.6
32232.DF
160
290
 168 1510 2800 265 -- -- 48 160 3 1 183 242 275 10 2.5 -- 0.43 1.6 2.3 1.6
32934.DF
170
230
 76 484 1160 110 -- -- 9.2 76 2 0.6 183 213 220 7 2 -- 0.37 1.7 2.8 1.8
32034X.DF
170
260
 114 880 1830 180 -- -- 22 114 2.5 1 188 230 246 10 2 -- 0.44 1.5 2.3 1.6
32234.DF
170
310
 182 1720 3250 300 -- -- 59 172 4 1.5 196 259 293 10 3 -- 0.43 1.6 2.3 1.6
32936.DF
180
250
 90 605 1460 137 -- -- 14 90 2 0.6 194 225 240 8 2 -- 0.48 1.4 2.1 1.4
32036X.DF
180
280
 128 1100 2320 220 900 1300 29.5 128 2.5 1 199 247 268 10 2 0.8 0.43 1.6 2.3 1.6
32036.DF
180
320
 114 1010 1630 160 -- -- 42 104 4 1.5 211 278 303 9 3 -- 0.44 1.5 2.3 1.6
32236.DF
180
320
 182 1720 3250 300 800 1100 61 172 4 1.1 204 267 302 10 3 1 0.46 1.5 2.2 1.4
32938.DF
190
260
 90 616 1530 143 -- -- 14.5 90 2 0.6 204 235 248 8 2 -- 0.48 1.4 2.1 1.4
32038X.DF
190
290
 128 1120 2400 224 950 1200 30.5 128 2.5 1 210 257 278 10 2 0.8 0.44 1.5 2.3 1.6
32038.DF
190
340
 120 1230 2000 190 -- -- 50 110 4 1.5 224 298 323 9 3 -- 0.43 1.6 2.3 1.6
32040X.DF
200
310
 140 1280 2750 255 800 1100 39 140 2.5 1 222 273 298 11 2 0.8 0.43 1.6 2.3 1.6
30240.DF
200
360
 128 1340 2240 212 -- -- 52 116 4 1.5 237 315 343 9 3 -- 0.43 1.6 2.3 1.6
32240.DF
200
360
 208 2090 4000 360 -- -- 88 196 4 1.5 231 302 343 11 3 -- 0.4 1.7 2.5 1.6
32944.DF
220
300
 102 842 2000 183 -- -- 21 102 2.5 1 234 275 286 9 2 -- 0.43 1.6 2.3 1.6
32044X.DF
220
340
 152 1540 3350 300 750 1000 51 152 3 1 244 300 326 12 2.5 0.8 0.43 1.6 2.3 1.6
32048X.DF
240
360
 152 1570 3550 315 700 950 54.5 152 3 1 262 318 346 12 2.5 0.8 0.46 1.5 2.2 1.4
32052X.DF
260
400
 174 1980 4400 380 -- -- 79.5 174 4 1.5 287 352 383 13 3 -- 0.43 1.6 2.3 1.6
32056X.DF
280
420
 174 1050 4750 400 -- -- 84.5 174 4 1.5 305 370 400 14 3 -- 0.46 1.5 2.2 1.4
32960.DF
300
420
 152 1790 4500 375 -- -- 65.5 152 3 1 324 383 404 12 2.5 -- 0.4 1.7 2.5 1.6
32064.DF
320
480
 200 2640 6200 510 -- -- 125 200 4 1.5 350 424 460 15 3 -- 0.46 1.5 2.2 1.4

Ningbo DHK Precision Bearing Co., Ltd.

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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 Face to face-Paired Single Row Tapered Roller Bearings Factory and OEM/ODM Face to face-Paired 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.

Ningbo DHK Precision Bearing Co., Ltd.

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CERTIFICATE

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

  • Certificate
  • Environmental Managementsystem Certificate
  • Occupational Health And Safetymanagement System Certificate
  • Measurement Management System
  • Invention patent1
  • Invention patent2
  • Invention patent3
  • High-tech enterprises

Latest News

Industry Knowledge Expansion

1. Load Capacity and Rigidity
Face-to-face paired single row tapered roller bearings boast an impressive load-bearing capacity and rigidity, making them indispensable components in a wide range of industrial applications. The design of these bearings, with two single row bearings mounted face-to-face, allows for the efficient distribution of radial and axial loads. This configuration significantly enhances their ability to withstand heavy loads while maintaining shaft alignment, thereby reducing the risk of premature wear and failure. The load-carrying capability of these bearings is particularly noteworthy in applications where machinery operates under extreme conditions, such as high speeds or heavy shock loads. By evenly distributing the forces between two bearings, face-to-face paired single row tapered roller bearings mitigate stress concentrations, minimizing the risk of fatigue failure and ensuring long-term reliability. The inherent rigidity of these bearings plays a crucial role in maintaining the structural integrity of machinery. The face-to-face arrangement effectively resists deflection and torsional forces, providing stability and precision even in challenging operating environments. This rigidity not only enhances the performance of the machinery but also contributes to its safety by minimizing unwanted vibrations and ensuring smooth operation.

2. Advantages Over Alternatives
Face-to-face paired single row tapered roller bearings offer several advantages over alternative bearing configurations, making them the preferred choice in many industrial settings. Compared to ball bearings, which are commonly used in light to moderate load applications, tapered roller bearings excel in handling heavier loads and providing greater axial support. The face-to-face pairing further enhances their load-carrying capacity, allowing them to withstand even higher radial and axial loads with ease. In contrast to cylindrical roller bearings, which are designed primarily for radial loads, face-to-face paired single row tapered roller bearings offer superior alignment capabilities. Their tapered design accommodates both radial and axial forces, making them versatile solutions for applications requiring precise shaft alignment and minimal deflection. Face-to-face paired single row tapered roller bearings outperform other types of bearings in terms of durability and longevity. Their robust construction, coupled with advanced manufacturing techniques and high-quality materials, ensures exceptional performance even in harsh operating conditions. This reliability translates to reduced downtime, lower maintenance costs, and increased productivity for industrial machinery.