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Series 718&719-Single Row Angular Contact Ball Bearings OEM/ODM

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Series 718&719-Single Row Angular Contact Ball Bearings

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  • Design Variants
  • Misalignment
  • Cage
  • Tolerance
  • Internal clearance
Model
 Dimensions Rated load C5(um) Extreme speed Weight
d
D
B
 r1,r2 Min r3,r4 Min Dynamic load Cr Static load Cor Grease lubrication Oil lubrication
71924CM
120
165
22
 1.1 0.6 51.2 52.2 2200 3200 1.51
71938ACM
190
260
33
 2 1.1 139 177 1800 2200 4.45
71944CM
220
300
38
 2.1 1.1 143 201 1500 2000 7.35
71852CM
260
320
28
 2 1 104 166 1400 1900 4.78
71952BM
260
360
46
 2.1 1.1 212 302 1300 1600 14.3
71952ACM
260
360
46
 2.1 1.1 200 380 1300 1800 14.5
71956ACM
280
380
46
 2.1 1.1 206 405 1100 1600 16.7
71968BM
340
460
56
 3 1.1 296 530 850 1200 27.0
71972BM
360
480
56
 3 1.1 302 550 800 1100 28.5
71976BM
380
520
65
 4 1.5 345 650 800 1000 42.1
71984BM
420
560
65
 4 1.5 364 670 700 950 44.5
71892ACM
460
580
56
 3 2 303 559 670 830 36.4
71992BM
460
620
74
 4 1.5 439 865 550 750 64.1
71992ACM
460
620
74
 4 2 507 1040 850 1200 58.0
718/530ACM
530
650
56
 3 1.5 410 930 1100 1600 39.5
719/530ACM
530
710
82
 5 2 610 1320 1000 1500 92.0
719/530ACM
530
710
82
 5 2.1 541 1136 500 700 88.8
718/600CM
600
730
60
 3 1.1 425 887 380 500 60.7
718/600ACM
600
730
60
 3 1.1 468 11600 560 750 47.0
719/630ACM
630
850
100
 6 2.1 855 2100 350 440 161
718/670ACM
670
820
69
 4 1.5 553 1290 850 1200 80.0
718/710ACM
710
870
74
 4 1.5 600 1600 800 1100 93.5
719/710ACM
710
950
106
 6 3 850 2200 800 1100 195
718/750ACM
750
920
78
 5 2 650 1800 400 530 100

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 Series 718&719-Single Row Angular Contact Ball Bearings Factory and OEM/ODM Series 718&719-Single Row Angular Contact Ball 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. Durability and Longevity of Series 718&719 bearings
Series 718&719 bearings are engineered to withstand harsh conditions, exhibiting exceptional durability and longevity. Advanced materials and precision manufacturing techniques enhance their resistance to wear, corrosion, and fatigue, prolonging service life and minimizing maintenance requirements. These bearings are crafted from high-quality materials, such as advanced steels and ceramic balls, selected for their superior mechanical properties and resistance to degradation. Through meticulous heat treatment processes and surface treatments, manufacturers enhance the hardness, toughness, and corrosion resistance of bearing components, ensuring optimal performance even in the harshest operating conditions. The precision engineering behind Series 718&719 bearings results in components that fit seamlessly together, minimizing internal clearance and reducing the risk of premature wear. This meticulous attention to detail not only enhances the bearings' load-carrying capacity but also promotes smooth operation and minimizes frictional losses, contributing to their longevity. Rigorous testing protocols validate the durability and reliability of these bearings under simulated operating conditions, including extreme temperatures, high speeds, and heavy loads. By subjecting the bearings to comprehensive performance tests, we ensure that they meet or exceed industry standards for longevity and reliability, instilling confidence in their suitability for mission-critical applications.

2. Lubrication and Maintenance
Proper lubrication is critical for maximizing the performance and lifespan of Series 718&719 bearings. These bearings rely on a thin film of lubricant to reduce friction, dissipate heat, and prevent metal-to-metal contact between moving components. The choice of lubricant depends on factors such as operating speed, temperature, load, and environmental conditions. We provide detailed recommendations regarding suitable lubricants and application methods, taking into account the specific requirements of each bearing model and application. High-quality lubricants, formulated to withstand extreme conditions and provide long-lasting protection, are essential for ensuring optimal performance and longevity. Regular maintenance and lubrication intervals are paramount to prevent premature wear and extend the service life of Series 718&719 bearings. Maintenance schedules should be established based on operating conditions, with more frequent inspections and lubrication intervals for bearings exposed to high speeds, heavy loads, or harsh environments. During maintenance procedures, technicians must adhere to best practices for bearing handling, installation, and lubrication to avoid contamination and ensure proper seating of components. Regular inspection of bearing conditions, including monitoring for signs of wear, abnormal noise, or temperature fluctuations, allows for early detection of potential issues and timely intervention to prevent catastrophic failure.