Non-standard Series-Double Row Cylindrical Roller Bearings OEM/ODM

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Non-standard Series-Double Row Cylindrical Roller Bearings

  • NNU...W33
  • NNU...K/W33
  • NN...W33
  • NN...K/W33
  • Design Variants
  • Misalignment
  • Cage
  • Tolerance
  • Internal clearance
Model 
Dimensions Rated load Extreme speed Bearing dimensions Weight
d
D
B
r1 r2 min Dynamic load Static load Grease lubrication Oil lubrication E F Bs ≈ S ≈
314897
280
410
150
1760 3750 1100 1700 313 2.5 61
315976B
280
470
200
2920 5600 1000 1500 392 13.9 4.7 150
BC2B320119
300
460
180
-- 2600 5500 -- 1500 -- 339 -- 4.9 118
BC2B322216
320
460
120
-- 1720 3600 -- 1400 -- 364 -- 3.9 70
315583C
320
480
175
-- 2460 5400 -- 1400 -- 364 -- 3.6 115
BC2B320118
340
520
305
-- 3300 7100 -- 1300 -- 384 -- 45 185
314563
350
500
190
-- 2460 5700 -- 1300 -- 389 -- 6 115
BC2B319878
350
520
150
-- 2120 4500 -- 1300 -- 401 16.7 4.9 220
BC2B320075
360
500
125
-- 1790 3650 -- 1300 -- 394 16.7 2.7 72
BC2B322217
360
500
125
-- 2050 4300 -- 1300 -- 394 -- 5 80
BC2B320299
360
510
190
-- 2600 6100 -- 1300 475 -- -- 4.2 120
BC2B319961
370
520
220
-- 2750 6700 -- 1300 -- 409 -- 16.7 130
316062
380
540
150
-- 2510 5500 -- 1200 -- 421 -- 2 110
BC2B320041
380
540
200
-- 2860 6800 -- 1200 -- 422 -- 4.9 145
314987B
400
560
205
-- 3140 7800 -- 1200 -- 445 -- 2.7 160
314987C
400
560
205
-- 3140 7800 -- 1200 -- 445 -- 2.7 160
315802
400
590
220
-- 3690 8300 -- 1100 -- 450 -- 5.1 210
BC2B3265363/HA4
400
600.19
200
-- 3470 7200 -- 1100 557 -- -- 4.5 205
BC2B326880/HB1
400
600.19
200
-- 3470 7200 -- 1100 -- 449 16.7 5 200
316019
410
600
140
-- 3800 8650 -- 1100 -- 460 -- 6.3 215
BC2B326137/HB1
420
580
130
-- 2380 5300 -- 1100 -- 460 -- 4.4 110
313555A
420
580
160
-- 2330 5400 -- 1100 -- 463 -- 4.7 125
313555B
420
580
160
-- 2330 5400 -- 1100 -- 463 16.7 4.7 125
313555C
420
580
160
-- 2330 5400 -- 1100 -- 463 -- 7.1 125
314982
420
600
205
-- 3580 8800 -- 1100 -- 470 -- 3.6 205
314931
420
620
220
-- 3470 7800 -- 1100 -- 473 -- 4.4 220
316077A
420
620
225
-- 3910 9800 -- 1000 -- 487 -- 2.7 220
BC2B316521
420
640
230
-- 4570 9800 -- 1000 -- 482 -- 5.5 250
BCB322969/HB1
457.2
660.4
228.6
-- 3690 8150 -- 950 -- 508 -- 15.6 235
316739
460
650
235
-- 4400 11200 -- 1000 -- 509 -- 3.4 260
BC2-8004/HA1
460
780
280
-- 5610 10400 -- 850 -- 543 -- 30 540
316848A
480
680
250
-- 4730 12000 -- 950 -- 532 -- 8 305
316189
480
700
260
-- 5390 12500 -- 900 -- 535 -- 4.1 345
BC2B326196/HA1
487.98 
637
175
-- 3000 7600 -- 950 605.7 -- -- 4 170
316639AG
490
694
174
-- 3740 9000 -- 900 -- 542 -- 5.6 215
319254
500
650
130
-- 2050 5100 -- 950 -- 542 -- 6 120
314990A
500
680
225
-- 4130 11000 -- 900 -- 550 -- 3.9 250
BC2B320570
500
700
170
-- 2700 5400 -- 900 -- 553 -- 11 210
314419
500
720
218
-- 4730 10800 -- 850 -- 554 -- 3.4 310
BC2-8008/HB1
500
730
305
-- 6270 15000 -- 850 -- 556 -- 10 415
BC2B320996
510
760
400
-- 6050 13200 -- 850 -- 570 -- 70.9 485
312844
529.91
870
335
-- 7810 16600 -- 750 -- 615 -- 11.4 830
BC2B316536
530
760
260
-- 5830 14300 -- 800 -- 587 -- 4.3 510
BC2B326064/HA1
530
780
225
-- 4400 9500 -- 800 -- 601 -- 11.2 735
315040
530
780
250
-- 4680 10200 -- 800 -- 591 -- 11.5 400
BC2B320117/HA4
530
780
475
-- 7210 17300 -- 800 -- 590 -- 100 560
464787
546.05
698.5
215.9
-- 3580 7850 -- 850 -- 582.3 -- 5.8 215
316115
550
800
260
-- 5830 13400 -- 750 -- 612 -- 6.2 455
BC2B326061/HA1
560
735
170
-- 2920 6950 -- 800 -- 603 22.3 8.2 465
313191
560
740
180
-- 2700 7350 -- 800 -- 618 -- 13 215
BC2B319584/HA1
600
820
287.5
-- 6440 18000 -- 700 -- 660 -- 4.9 470
BC2-8012/HB1
600
820
365
-- 7810 21200 -- 700 -- 655 22.3 7 570
BCS2-8012/HB1
630
850
218
-- 4400 11800 -- 600 -- 690 -- 15 360
BC2B319943
635
762
101.6
-- 1680 4550 -- 750 730.25 -- 22.3 3.5 86.5
BC2B326894/HB1
650
920
335
-- 8580 23200 -- 630 -- 723 -- 5.3 740
313477B
660
880
225
-- 4180 11800 -- 670 -- 727 -- 6 390
BC2-8074/HA5
690
980
365
-- 6050 13400 -- 600 -- 759 -- 9.5 910
BC2-8015/HB1
690
980
550
-- 9900 27000 -- 600 -- 767.5 -- 10.5 1045
BC2B322191
723.98
927.2
190
-- 4400 12000 -- 600 878 -- 22.3 4.3 340
314420
750
1000
250
-- 6160 16600 -- 560 -- 816 -- 5.5 575
BC2B326379/HA4
800
1260
375
-- 12800 28000 -- 430 1163 -- -- 11 1850
BC2-8022/HA1
950
1360
420
-- 14000 33500 -- 360 1279 -- 22.3 11 1900
BC2B326372/HA1
1311
1720
300
-- 12500 34500 -- 240 1636 -- 7 1820

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 Non-standard Series-Double Row Cylindrical Roller Bearings Factory and OEM/ODM Non-standard Series-Double Row Cylindrical 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 Non-Standard Series Bearings
Non-standard series double row cylindrical roller bearings are characterized by their versatile design, which includes multiple cylindrical rollers arranged in parallel between inner and outer bearing rings. This configuration enables these bearings to accommodate both radial and axial loads simultaneously, making them suitable for a wide range of applications across various industries. These bearings boast a sophisticated double row configuration, setting them apart from their single-row counterparts. Within this design, multiple cylindrical rollers are meticulously aligned in parallel between inner and outer bearing rings. This strategic arrangement significantly bolsters the bearings' load-carrying capacity, enabling them to withstand formidable radial and axial loads, which are often encountered in the most demanding industrial environments. Non-standard series bearings are distinguished by their unparalleled customizability, affording engineers the liberty to diverge from standard dimensions in order to seamlessly integrate with specific application requirements. This flexibility extends to every facet of bearing design, including bore and outer diameter dimensions, roller configurations, cage materials, seal types, and lubrication provisions. By tailoring bearings to precisely match unique shaft diameters, housing configurations, and anticipated load conditions, engineers can meticulously optimize performance and ensure seamless compatibility with an array of machinery and equipment.

2. Advantages Over Standard Bearings
Non-standard series double row cylindrical roller bearings offer a myriad of discernible advantages over their conventional counterparts. By deviating from standard dimensions and configurations, these bearings transcend mere functionality to offer bespoke solutions that seamlessly align with the intricacies of specific applications, thereby elevating performance and extending service life. Foremost among these advantages is the unparalleled degree of customization afforded by non-standard series bearings. This tailor-made approach empowers engineers to address the most intricate challenges, from non-standard shaft diameters to specialized housing configurations and beyond. By harmonizing bearing dimensions with the exacting parameters of each unique application, engineers can unlock unparalleled levels of performance, reliability, and efficiency, ensuring optimal operation under even the most demanding conditions. The ingenious separable design of non-standard series bearings yields further dividends in terms of installation and maintenance efficiency. By allowing for effortless disassembly into individual inner and outer rings, these bearings streamline mounting and dismounting procedures, thereby curtailing downtime and minimizing labor costs associated with routine maintenance activities. This inherent modularity not only expedites inspection, repair, and replacement but also augments overall maintenance efficiency, ultimately extending the operational lifespan of machinery and equipment.