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

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Two-Piece Outer Ring And One 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
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  • 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
331387
152.4006.0000
222.25
 84.138 84.138
1.5
 1.5 11.5 M231649DW/M231610 11 523 1230 0.33 2 3 2 1.76
8.75
 3.3125 3.3125
0.059
 0.059
331814
177.8007.0000
247.65
 90.488 90.488
1.5
 3.3 13 67790DW/67720 11 583 1440 0.44 1.5 2.3 1.4 1.33
9.75
 3.5625 3.5625
0.059
 0.13
BT2B332799
203.2008.0000
317.5
 133.35 133.35
6.4
 3.3 40 93801D/93125 11 1050 2370 0.52 1.3 1.9 1.3 1.12
12.5
 5.25 5.25
0.25
 0.13
331388
203.3758.1250
282.575
 87.312 87.312
0.8
 3.3 17 67985DW/67920 11 605 1590 0.5 1.35 2 1.3 1.15
11.125
 3.4375 3.4375
0.063
 0.13
BT2B332492
235.9509.2500
327.025
 93.662 93.662
1.5
 3.3 25.5 8576W/8500 11 737 2020 0.4 1.7 2.5 1.6 1.44
12.875
 3.6875 3.6875
0.059
 0.13
BT2B332931
240.0009.4488
480
 220 200
2.5
 5 183 -- 11 3190 5800 0.72 0.94 1.4 0.9 0.82
18.8976
 8.6614 7.874
0.098
 0.197
332296
254.00010.0000
358.775
 130.175 130.175
1.5
 3.3 43.5 M249749DW/M249710 11 1320 3420 0.33 2 3 2 1.76
14.125
 5.125 5.125
0.059
 0.13
331558
266.70010.5000
355.6
 107.95 109.538
1.6
 3.2 31.5 76589DW/76520 11 968 2690 0.37 1.8 2.7 1.8 1.56
14
 4.25 4.1325
0.063
 0.125
331223A
269.87510.6250
381
 136.525 136.525
3.3
 3.3 51 M252349D/M252310 11 1450 3680 0.33 2 3 2 1.76
15
 5.375 5.375
0.13
 0.13
641070A
288.92511.3750
406.4
 144.462 144.462
3.3
 3.3 60.5 M255449D/M255410 11 1680 4340 0.33 2 3 2 1.73
16
 5.6875 5.6875
0.13
 0.13
331951
300.03811.8125
422.275
 150.813 150.813
3.3
 3.3 70 HM256849DW/HM256810 21 1760 4600 0.33 2 3 2 1.73
16.625
 5.9375 5.9375
0.13
 0.13
331713B
342.90013.5000
533.4
 139.69 146.05
3.3
 3.3 115 EE971355DW/972100 21 2160 4420 0.33 2 3 2 1.76
21
 5.4996 5.75
0.13
 0.13
332240A
343.05213.5060
457.098
 122.238 122.238
1.5
 3.3 54.5 LM761649DW/LM761600 21 1380 3420 0.48 1.4 2.1 1.4 1.24
17.996
 4.8125 4.8125
0.059
 0.13
331527C
346.07513.6250
488.95
 174.625 174.625
3.3
 3.3 110 HM262749/HM262710 21 2510 6160 0.33 2 3 2 1.74
19.25
 6.875 6.875
0.13
 0.13
331158A
384.17515.1250
546.1
 193.675 193.675
3.2
 6.4 152 HM266449DW/HM266410 21 3030 8100 0.33 2 3 2 1.76
21.5
 7.625 7.625
0.125
 0.25
331714B
409.57516.1250
546.1
 161.925 161.925
1.5
 6.4 110 HM667947DW/M667910 21 2160 6260 0.43 1.6 2.3 1.6 1.4
21.5
 6.375 6.375
0.059
 0.25
331445
415.92516.3750
590.55
 209.55 209.55
3.3
 6.4 192 HM268749DW/M268710 21 3410 9380 0.33 2 3 2 1.76
23.25
 8.25 8.25
0.13
 0.25
331462
447.67517.6250
635
 223.838 223.838
3.3
 6.4 236 HM270749DW/M270710 21 3800 10800 0.33 2 3 2 1.76
25
 8.8125 8.8125
0.13
 0.25
BT2B331848
489.02619.2530
634.873
 152.4 152.4
3.3
 3.3 130 EE243193D/243250 11 2380 6990 0.35 1.9 2.9 1.8 1.7
24.995
 6 6
0.133
 0.13
331676A
500.00019.6850
730
 280 280
3
 6 420 -- 22 5720 15600 0.31 2.2 3.3 2.2 1.89
28.7402
 11.0236 11.0236
0.118
 0.236
BT2B332547/HA1
501.65019.7500
673.1
 184.15 184.15
3.3
 6.4 190 -- 21 3410 9380 0.31 2.2 3.3 2.2 1.86
26.5
 7.25 7.25
0.13
 0.25
331182
711.2
 250.825 250.825
3.2
 6.4 330 HM274149DW/M274110 21 4840 13200 0.33 2 3 2 1.76
28
 9.875 9.875
0.125
 0.25
BT2B332662/HB1
519.11220.4375
736.6
 258.762 258.763
3.3
 6.4 370 HM275349DW/M275310 11 5720 15300 0.33 2 3 2 1.76
29
 10.1875 10.1875
0.13
 0.25
331682
536.57521.1250
761.873
 269.875 269.875
3.3
 6.4 410 HM276449DW/M276410 21 5390 15600 0.33 2 3 2 1.76
29.995
 10.625 10.625
0.13
 0.25
331607A
558.80022.0000
736.6
 196.85 196.85
3.3
 6.4 235 -- 21 4020 11000 0.35 1.9 2.9 1.8 1.69
29
 7.75 7.75
0.13
 0.25
331476
571.50022.5000
812.8
 285.75 285.75
3.3
 6.4 505 HM278794DW/M278710 21 6270 17500 0.33 2 3 2 1.76
32
 11.25 11.25
0.13
 0.25
331677
580.00022.8346
830
 280 280
3
 6 505 -- 12 6440 17800 0.31 2.2 3.3 2.2 1.87
32.6772
 11.0236 11.0236
0.118
 0.236
BT2P609-332424
609.60024.0000
820
 171.45 171.45
3.3
 6.4 265 -- 21 3470 10100 0.37 1.8 2.7 1.8 1.58
32.2835
 6.75 6.75
0.14
 0.25
331198
660.40026.0000
812.8
 176.212 176.212
3.2
 6.4 195 -- 21 3410 10500 0.33 2 3 2 1.76
32
 6.9375 6.9375
0.125
 0.25
332129/HA4
682.62526.8750
965.2
 338.138 338.138
3.3
 6.4 625 HM282249DW/M282210 12 8970 24700 0.33 2 3 2 1.76
38
 13.3125 13.3125
0.13
 0.25
331581A
710.00027.9528
900
 197 197
3
 6 325 -- 22 4460 12500 0.35 1.9 2.9 1.8 1.66
35.4331
 7.7559 7.7559
0.118
 0.236
331590A
863.60034.0000
1130.3
 323.85 323.85
4.8
 12.7 895 LM286249DW/LM286210 22 9350 29400 0.33 2 3 2 1.76
44.5
 12.75 12.75
0.19
 0.5
331350
939.80037.0000
1333.5
 463.55 463.55
4.8
 12.7 2230 LM286249DW/LM287810 22 16500 47800 0.33 2 3 2 1.76
52.5
 18.25 18.25
0.19
 0.5

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

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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. Understanding Two-Piece Outer Ring and One Inner Ring Bearings
Two-piece outer ring and one inner ring-double row tapered roller bearings represent a pinnacle of engineering innovation, combining precision design with advanced manufacturing techniques to achieve unparalleled performance. At the heart of their design is a meticulous consideration of load distribution, rigidity, and operational efficiency, making them indispensable components in a wide array of industrial applications. These bearings feature a distinctive configuration comprising two separate outer rings and a single inner ring. This unique arrangement allows for optimized load distribution, ensuring that forces are evenly distributed across the bearing surfaces. By minimizing stress concentrations, these bearings mitigate the risk of premature wear and fatigue, thereby extending service life and enhancing reliability. In addition to their load-bearing capabilities, the design of two-piece outer ring and one inner ring bearings prioritizes rigidity, a critical factor in maintaining dimensional stability and operational integrity. The separate outer rings provide enhanced support, bolstering the bearing's ability to withstand deflection and deformation under heavy loads or dynamic operating conditions. This inherent rigidity translates into smoother operation, reduced vibration, and improved overall performance in industrial machinery.

2. Reduced Downtime and Maintenance Costs
The robust construction and superior performance characteristics of two-piece outer ring and one inner ring bearings translate directly into tangible benefits for end-users, notably in terms of reduced downtime and maintenance costs. Their ability to withstand heavy loads, shock, and vibration minimizes the need for frequent inspections and replacements, resulting in extended service intervals and enhanced operational efficiency. By minimizing downtime associated with bearing failures, these bearings contribute to increased productivity and uptime in industrial settings. Machinery downtime due to bearing-related issues can have significant financial implications, including lost production, repair costs, and labor expenses. With two-piece outer ring and one inner ring bearings, such disruptions are minimized, allowing businesses to maintain uninterrupted operations and meet production targets. The reduced maintenance requirements of these bearings result in cost savings over their operational lifespan. Compared to traditional bearings that may require frequent lubrication, adjustments, or replacements, two-piece outer ring and one inner ring bearings offer a lower total cost of ownership. Their durable construction and ability to withstand harsh operating conditions ensure long-term reliability, minimizing the need for costly repairs and replacements.