Web Menu

Product Search

Language

Share

One-Piece Outer Ring And Two Inner Rings-Double Row Tapered Roller Bearings OEM/ODM

Home / Products / Tapered Roller Bearings / Double Row Tapered Roller Bearings / One-Piece Outer Ring And Two Inner Rings

Categories

How Can We Help You?

We're a reliable partner that shapes our expertise into success for your project.

+86-574-86597612

One-Piece Outer Ring And Two Inner Rings-Double Row Tapered Roller Bearings

  • One Double Row Outer Ring and Two Inner Rings
  • Two Outer Rings and One Double Row Inner Ring
CONTACT US
  • Design Variants
  • Cage
  • Tolerance
  • Internal clearance
Model
 External dimensions [mm] Rated load Weight AFBMA Figure Load ratings[kN] Calculation factors
d
D
 T C
b
 h r1,r2 Min r3,r4 Min Dynamic load Cr Static load Cor e Y1 Y2 Y0 K
331314B
82.55003.2500
115.888
 47.625 39.69
11.1
 3.1 1.5 0.8 1.5 L116149/L116110DC 21 142 276 0.31 2.2 3.3 2.2 1.9
4.5625
 1.875 1.5626 3.1 0.059 0.03
BT2B332768
90.00003.5433
135
 49 39.35
11.1
 3.1 1.5 0.8 2.2 -- 11 198 342 0.33 2 3 2 1.76
5.315
 1.9291 1.5374 3.1 0.059 0.03
42208
100.0003.9370
165
 88.9 63.5
11.1
 3.1 4 0.8 7.55 -- 31 358 699 95 45.5 0.5 1.35 1.18
6.4961
 3.5 2.5 3.1 0.157 0.03
617335
180
 80 64
11.1
 3.1 3 0.8 7.65 -- 11 429 672 112 46.5 0.43 1.6 1.39
7.0866
 3.1496 2.5197 3.1 0.118 0.03
BT2B332767
101.6004.0000
146.05
 49.212 39.688
11.1
 3.1 1.5 0.8 2.45 L521945/L521910D 11 205 368 52 18.6 0.37 1.8 1.61
5.75
 1.9375 1.5625 3.1 0.059 0.03
331392A
107.9504.2500
146.05
 49.212 39.688
11.1
 3.1 1.5 0.8 2.25 L521949/L521910D 11 142 294 36.5 14 0.4 1.7 1.49
5.75
 1.9375 1.5625 3.1 0.059 0.03
6140181)
158.75
 53.978 36.688
11.1
 3.1 3.5 0.8 3 37425/2/CL3/37626D 11 176 318 45 26.5 0.6 1.15 0.96
6.25
 2.1251 1.5625 3.1 0.14 0.03
331181
120.0004.7244
180
 86 69
11.1
 3.1 2.5 0.8 7.1 -- 11 418 828 110 50 0.46 1.5 1.27
7.0866
 3.3858 2.7165 3.1 0.098 0.03
330431A
130.0005.1181
230
 146 118.56
11.1
 3.1 4 1.5 23.5 -- 11 952 1750 250 108 0.43 1.6 1.34
9.0551
 5.748 4.6677 3.1 0.157 0.59
332160
133.3505.2500
215.9
 106.362 80.962
11.1
 3.1 3.5 1.5 14.5 NA7452574851D 41 605 1210 160 76.5 0.48 1.4 1.2
8.5
 4.1875 3.1875 3.1 0.14 0.59
442210
140.0005.5118
200
 93.665 73.8
11.1
 3.1 5 1 9.3 -- 31 440 1010 114 37.5 0.33 2 1.74
7.874
 3.6876 2.8772 3.1 0.196 0.39
331943
146.0505.75000
193.675
 65.085 53.975
11.1
 3.1 1.5 0.8 5 36690/36620D 11 303 690 78 28.5 0.37 1.8 1.59
7.625
 2.5624 2.125 3.1 0.059 0.03
613328A
152.4006.0000
222.25
 100.01 76.2
11.1
 3.1 3.5 0.8 12 M231649/M231610D 11 561 1230 146 48 0.33 2 1.76
8.75
 3.9374 3 3.1 0.14 0.03
331792
165.1006.5000
225.425
 85.725 69.85
11.1
 3.1 8 0.8 10 46790A/46720D 11 457 1120 120 45 0.37 1.8 1.52
8.875
 3.375 2.75 3.1 0.31 0.03
BT2B332585/HA2
177.8007.0000
269.875
 119.062 93.662
38.1
 -- 3.5 1.5 23.3 M238840/M238810D 11 825 1840 0.33 2 3 2 1.76
10.625
 4.6875 3.6875 0.14 0.059
442213
180.0007.0866
270
 109.538 84.138
38.1
 -- 2.5 0.8 22.5 -- 31 644 1530 0.48 1.4 2.1 1.4 1.22
10.6299
 4.3125 3.3125 0.098 0.03
442214
200.0007.8740
290
 121 88
38.1
 -- 5 1 24 -- 31 825 1840 0.43 1.6 2.3 1.6 1.48
11.4173
 4.7638 3.4646 0.197 0.039
BT2B332459
200.0257.8750
317.5
 146.05 111.125
38.1
 -- 4.3 1.5 41.5 93787/93127D 11 1080 2370 0.52 1.3 1.9 1.3 1.12
12.5
 5.75 4.375 0.17 0.059
BT2B332584/HA2
228.6009.0000
327.025
 114.3 82.55
38.1
 -- 6.4 1.5 30 8573/8520D 11 792 2020 0.4 1.7 2.5 1.6 1.44
12.875
 4.5 3.25 0.25 0.059
BT2B332443
247.6529.7500
406.4
 247.65 203.2
38.1
 -- 6.4 1.5 122 HH249949/HH249910D 11 2810 6350 0.33 2 3 2 1.76
16
 9.75 8 0.25 0.059
331717
280.00011.0236
470
 250 180
38.1
 -- 6.4 0.8 135 -- 11 3300 6620 0.46 1.5 2.2 1.4 1.27
18.5039
 9.8425 7.0866 0.25 0.03
BT2B332449
285.75011.2500
380.898
 139.7 107.95
38.1
 -- 3.5 1 42 LM654649/LM654610D 11 1140 3000 0.43 1.6 2.3 1.6 1.35
14.996
 5.5 4.25 0.14 0.039
BT2B332503/HA2
288.92511.3750
406.4
 165.1 130.175
38.1
 9.5 6.4 1.5 63 M255449/M255410DC 21 1830 4340 0.33 2 3 2 1.73
16
 6.5 5.125 0.375 0.25 0.059
BT2B332504/HA2
300.03811.8125
422.275
 174.625 136.525
38.1
 8.7 6.4 1.5 71.5 HM256849/HM256810DC 21 1900 4600 0.33 2 3 2 1.73
16.625
 6.875 5.375 0.342 0.25 0.059
BT2B332845/HA2
330.20013.0000
482.6
 177.8 127
38.1
 -- 3.3 1.5 100 EE526132/526191D 11 2240 4780 0.4 1.7 2.5 1.6 1.49
19
 7 5 0.13 0.059
331775B
333.37513.1250
469.9
 190.5 152.4
38.1
 12.7 6.4 0.8 98 HM201049/HM261010DC 21 2330 5520 0.33 2 3 2 1.73
18.5
 7.5 6 0.5 0.25 0.03
BT2B332830
340.00013.3858
460
 160 128
38.1
 -- 3 1 71 -- 11 1940 4690 0.31 2.2 3.3 2.2 1.86
18.1102
 6.2992 5.0394 0.118 0.039
BT2B332505/HA2
355.60014.0000
444.5
 136.525 111.125
31.75
 6.35 3.5 1.5 45.8 L163419/L163110DC 21 1190 3500 0.31 2.2 3.3 2.2 1.9
17.5
 5.375 4.375
1.25
 0.25 0.14 0.059
BT2B332506/HA2
501.65
 155.575 107.95
--
 -- 6.4 1.5 87 EE231400/231967D 11 1720 4050 0.44 1.5 2.3 1.5 1.33
19.75
 6.125 4.25
--
 -- 0.25 0.059
BT2B332831
360.00014.1732
480
 160 128
--
 -- 3 1 73 -- 11 1900 4780 0.33 2 3 2 1.77
18.8976
 6.2992 5.0394
--
 -- 0.118 0.039
331606A
371.47514.6250
501.65
 155.575 107.95
7.9
 7.9 6.4 1.5 76.5 EE231462/231976DC 21 1720 4050 0.44 1.5 2.3 1.5 1.33
19.75
 6.125 4.25
0.311
 0.311 0.25 0.059
BT2B332507/HA2
381.00015.0000
508
 139.7 88.9
9.5
 9.5 6.4 1.5 67 EE192510/192201DC 21 1280 3130 0.54 1.25 1.8 1.25 1.1
20
 5.5 3.5
0.375
 0.375 0.25 0.059
331197A
384.17515.1250
546.1
 222.25 177.8
--
 -- 6.4 1.6 161 HM266449/HM266410D 11 3300 8100 0.33 2 3 2 1.76
21.5
 8.75 7
--
 -- 0.25 0.063
331656
415.92516.375
590.55
 244.475 193.675
38.1
 13.7 6.4 1.5 205 M268749/M268710D 21 3690 9380 0.33 2 3 2 1.76
23.25
 9.625 7.625
1.5
 0.54 0.25 0.059
BT2B332237A/HA1
431.80017.0000
571.5
 195.088 146.05
38.1
 13.7 6.4 1.5 125 LM769349/LM769310DC 21 2510 6620 0.44 1.5 2.3 1.5 1.33
22.5
 7.5625 5.75
1.5
 0.54 0.25 0.059
BT2B332176A
447.67517.6250
635
 257.175 206.375
38.1
 12.7 6.4 1.5 245 M270749/M270710DC 21 4130 10800 0.33 2 3 2 1.76
25
 10.125 8.125
1.5
 0.5 0.25 0.059
331657
479.42518.8750
679.45
 276.225 222.25
38.1
 12.7 6.4 1.5 300 M272749/M270710DC 21 4730 12300 0.33 2 3 2 1.76
26.75
 10.875 8.75
1.5
 0.5 0.25 0.059
BT2B332797
480.00018.8976
650
 180 130
--
 -- 5 1.5 150 -- 11 2750 6620 0.4 1.7 2.5 1.7 1.48
25.5906
 7.0866 5.1187
--
 -- 0.2 0.059
331605B
498.47519.6250
634.873
 117.8 142.875
38.1
 11.1 6.4 1.5 130 EE243196/243251DC 21 2550 6990 0.35 1.9 2.9 1.9 1.7
24.995
 7 5.625
1.5
 0.437 0.25 0.059
BT2B332605A/HA1
501.65019.7500
711.2
 282.1 231.775
38.1
 17 6.4 1.5 343 M274119/M274110DC 21 4840 13200 0.33 2 3 2 1.76
28
 11.5 9.125
1.5
 0.67 0.25 0.059
BT2B332761
520.70020.5000
736.6
 186.502 114.3
38.1
 13.7 6.4 1.5 210 EE982051/982901DC 21 2640 6160 0.48 1.4 2.1 1.4 1.23
29
 7.3426 4.5
1.5
 0.54 0.25 0.059
BT2B332446
536.57521.125
761.873
 311.15 247.65 6.4 1.5 430 M276449/M276410DC 21 5390 15600 0.33 2 3 2 1.76
29.995
 12.25 9.75 0.25 0.059
331280
558.80022.0000
736.6
 187.328 142.262 6.4 1.6 245 -- 12 2200 5340 0.5 1.35 2 1.3 1.16
29
 7.3751 5.6009 0.25 0.063
331640A
736.6
 225.425 177.88 6.4 1.5 250 LM33749/LM377410DC 21 4020 11000 0.35 1.9 2.9 1.8 1.69
29
 8.875 7 0.25 1.059
BT2B332447
571.50022.5000
812
 333.375 263.525 6.4 1.5 520 M278749/M278710DC 22 5720 15600 0.33 2 3 2 1.76
32
 13.125 10.375 0.25 0.059
331576A
602.94523.7380
787.4
 206.375 158.75 6.4 1.5 180 EE649237/649311D 11 3520 10100 0.37 1.8 2.7 1.8 1.58
31
 8.125 6.25 0.25 0.059
331500
609.60024.0000
820
 206.375 158.75 6.4 1.5 292 -- 11 3520 10100 0.37 1.8 2.7 1.8 1.58
32.2835
 8.125 6.25 0.25 0.059
BT2B332493/HA1)
635.00025.0000
990.6
 339.725 212.725 6.4 6.4 840 -- 12 7040 15900 0.88 0.77 1.15 0.8 0.67
39
 13.375 8.375 0.025 0.025
33155411)
723.90028.5000
914.4
 187.325 139.7 3.3 1.5 250 EE755285/755361D 11 3300 9200 0.37 1.8 2.7 1.8 1.54
36
 7.375 5.5 0.13 0.059
BT2B332625
774.96230.5103
1016
 266.7 209.5 8 2.5 525 -- 11 5830 17100 0.33 2 3 2 1.79
40
 10.5 8.25 0.315 0.098
BT2B332494/HA5
863.60034.0000
1371.6
 469.9 285.75 28 2 2315 -- 12 13000 31800 0.88 0.77 1.15 0.8 0.67
54
 18.5 11.25 1.1 0.079
BT2B332780/HA5
1160.0045.6693
1540
 400 290 9.5 3 1900 -- 12 12300 36800 0.44 1.5 2.3 1.4 1.31
60.6299
 15.748 11.4173 0.37 0.118
BT2B332495/HA5
1320.8052.000
1727.2
 412.75 254 28 2 2330 -- 12 12300 39000 0.83 0.81 1.2 0.8 0.72
68
 16.25 10 1.1 0.079
BT2B332496/HA51)
1778.0070.0000
2159
 393.7 266.7 12.7 3 2740 -- 12 13400 49700 0.79 0.85 1.25 0.8 0.72
85
 15.5 10.5 0.5 0.118
BT2B332497/HA4
2133.6084.0000
2819.273
 742 457.2 SP 3.5 11600 -- 12 30300 101000 0.94 0.72 1.05 0.7 0.56
110.995
 29.2126 18 0.14
BT2B332673/HA4
2184.4086.0000
2527.3
 304.8 165.1 16 5 2230 -- 12 8800 34200 0.94 0.72 1.05 0.7 0.51
99.5
 12 6.5
0.63 0.197

Ningbo DHK Precision Bearing Co., Ltd.

  • 0+

    Years Experience Working

  • 0+

    Customer Service

  • 0+

    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 One-Piece Outer Ring And Two Inner Rings-Double Row Tapered Roller Bearings Factory and OEM/ODM One-Piece Outer Ring And Two Inner Rings-Double 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.

Click to view our factory

View VR

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. Applications of One-Piece Outer Ring and Two Inner Rings-Double Row Tapered Roller Bearings
Double row tapered roller bearings with a one-piece outer ring and two inner rings find extensive applications across various industries due to their robust design and versatile functionality. Here are some key areas where these bearings are commonly employed:
a)Automotive Industry: One of the primary sectors benefiting from the utilization of double row tapered roller bearings is the automotive industry. These bearings are integral components in automotive transmissions, providing support for shafts and gears under heavy loads and high speeds. Their ability to withstand axial and radial forces makes them ideal for ensuring smooth operation and longevity in vehicle drivetrains.
b)Heavy Machinery and Equipment: Another crucial application area for these bearings is in heavy machinery and equipment, such as construction machinery, agricultural equipment, industrial gearboxes. In these environments, where heavy loads, shock loads, and varying operating conditions are prevalent, the reliability and durability of double row tapered roller bearings play a critical role in maintaining equipment performance and productivity.
c)Rail Transportation: Double row tapered roller bearings are also extensively used in the rail transportation sector, particularly in locomotives, freight cars, and passenger trains. These bearings contribute to the smooth movement of wheels and axles, enhancing the efficiency and safety of rail operations. Their ability to accommodate both radial and axial loads makes them suitable for withstanding the dynamic forces encountered during train acceleration, deceleration, and cornering.

2. Advantages of One-Piece Outer Ring and Two Inner Rings-Double Row Tapered Roller Bearings
The adoption of double row tapered roller bearings with a one-piece outer ring and two inner rings offers several distinct advantages over alternative bearing designs. Some of the key benefits include:
a)Enhanced Load Capacity: One-piece outer ring and two inner rings design allow for a larger number of rollers to be incorporated into the bearing assembly, resulting in increased load-carrying capacity. This enhanced capacity enables the bearings to withstand higher radial and axial loads, making them suitable for applications involving heavy-duty machinery and equipment.
b)Improved Rigidity: The arrangement of two inner rings in conjunction with a one-piece outer ring enhances the overall rigidity of the bearing assembly. This increased rigidity helps in minimizing deflection and deformation under load, thereby ensuring better alignment and precision in the operation of the supported components.
c)Reduced Friction and Heat Generation: The optimized design of double row tapered roller bearings facilitates smoother rolling motion and reduces friction between the rollers and raceways. As a result, there is a decrease in heat generation within the bearing assembly, leading to improved operating efficiency and extended service life.