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Series 70-Single Row Angular Contact Ball Bearings OEM/ODM

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Series 70-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
7004C
20
42
12
 0.6 0.15 10.5 6.02 14000 19000 0.064
7004AC
20
42
12
 0.6 0.15 10 5.74 14000 19000 0.064
7005C
25
47
12
 0.6 0.15 12.9 8.58 12000 17000 0.074
7005AC
25
47
12
 0.6 0.15 11.1 7.08 12000 17000 0.074
7006C
30
55
13
 1 0.3 15.1 10.3 9500 14000 0.11
7006AC
30
55
13
 1 0.3 14.4 9.83 9500 14000 0.11
7007C
35
62
14
 1 0.3 16.3 12.1 8500 12000 0.15
7007AC
35
62
14
 1 0.3 15.5 11.5 8500 12000 0.15
7008C
40
68
15
 1 0.3 20.1 15.2 8000 11000 0.18
7008AC
40
68
15
 1 0.3 19 14.4 8000 11000 0.18
7009C
45
75
16
 1 0.3 25.9 20.4 7500 10000 0.23
7009AC
45
75
16
 1 0.3 24.5 19.3 7500 10000 0.23
7010C
50
80
16
 1 0.3 26.6 21.9 6700 9000 0.25
7010AC
50
80
16
 1 0.3 25.2 21.4 6700 9000 0.257
7011C
55
90
18
 1.1 0.6 37.2 28.6 6000 8000 0.38
7011AC
55
90
18
 1.1 0.6 35.2 27.2 1000 12000 0.381
7012C
60
95
18
 1.1 0.6 38.2 32.6 5600 7500 0.4
7012AC
60
95
18
 1.1 0.6 36.2 31.6 5600 7500 0.4
7013C
65
100
18
 1.1 0.6 40.1 35.4 5300 7000 0.43
7013AC
65
100
18
 1.1 0.6 38 34.1 5300 7000 0.43
7014C
70
110
20
 1.1 0.6 48.3 43.2 5000 6700 0.6
7014AC
70
110
20
 1.1 0.6 45.7 42.7 5000 6700 0.6
7015C
75
115
20
 1.1 0.6 49.5 48 4800 6300 0.63
7015AC
75
115
20
 1.1 0.6 46.8 45.5 4800 6300 0.671
7016C
80
125
22
 1.1 0.6 58.5 56.8 4500 6000 0.85
7016AC
80
125
22
 1.1 0.6 55.4 55.1 4500 6000 0.85
7017C
85
130
22
 1.1 0.6 62.5 61.7 4300 5600 0.89
7017AC
85
130
22
 1.1 0.6 59.2 59.2 4300 5600 0.89
7018C
90
140
24
 1.5 0.6 71.4 71.7 4000 5300 1.15
7018AC
90
140
24
 1.5 0.6 67.6 68.6 4000 5300 1.15
7019C
95
145
24
 1.5 0.6 73.6 77.1 3800 5000 1.2
7019AC
95
145
24
 1.5 0.6 69.5 71 3800 5000 1.2
7020C
100
150
24
 1.5 0.6 79.4 81.3 3800 5000 1.25
7020AC
100
150
24
 1.5 0.6 75.1 77 3800 5000 1.25
7022ACM
110
170
28
 2 1 100 101 3000 4000 2.41
7024ACM
120
180
28
 2 1 77 107 2600 3600 2.62
7028ACM
140
210
33
 2 1 98 137 2000 3000 4.14
7030ACM
150
225
35
 2.1 1.1 137 154 1900 2800 4.80
7032ACM
160
240
38
 2.1 1.1 155 176 1800 2600 5.95
7034ACM
170
260
42
 2.1 1.1 186 214 1700 2400 8.27
7038ACM
190
290
46
 2.1 1.1 176 265 1600 2200 11.3
7040ACM
200
310
51
 2.1 1.1 203 330 1500 2000 15.7
7060BM
300
460
74
 4 1.5 345 545 950 1400 44.5
7064BM
320
480
74
 4 1.5 390 670 850 1200 44.5
7068BM
340
520
82
 5 2 465 820 800 1100 61.8
7072CM
360
540
82
 5 2 409 960 800 1100 65.4
7072BM
360
540
82
 5 2 462 850 800 1100 62.5
7076BM
380
560
82
 5 2 468 880 750 1000 65.5
7080BM
400
600
90
 5 2 527 1020 700 950 85.0
7084BM
420
620
90
 5 2 550 1070 600 800 90.6
7088BM
440
650
94
 6 3 572 1180 630 850 100
7092BM
460
680
100
 6 3 618 1290 600 800 120
7096BM
480
700
100
 6 3 624 1340 560 750 125
70/500BM
500
720
100
 6 3 637 1400 560 750 130
70/530BM
530
780
112
 6 3 741 1700 500 670 180

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 70-Single Row Angular Contact Ball Bearings Factory and OEM/ODM Series 70-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. Dynamic Load Capacity (Cr) and Static Load Capacity (Cor)
The dynamic load capacity (Cr) of Series 70 Single Row Angular Contact Ball Bearings is a pivotal parameter that underscores their robustness in handling dynamic loads. In practical terms, dynamic loads refer to the forces exerted on the bearing during rotational motion or when subjected to varying operational conditions. These loads can fluctuate based on factors such as speed, direction, and external forces encountered during operation. Series 70 bearings, with a dynamic load capacity of 10.5, are engineered to withstand substantial forces without compromising their performance or structural integrity. This rating serves as a crucial guideline for engineers and designers tasked with selecting bearings for specific applications. By providing a defined threshold for dynamic loads, the Cr rating enables precise matching between the bearing and the operational requirements, thereby ensuring optimal performance and longevity. The dynamic load capacity of Series 70 bearings reflects their ability to mitigate the risks associated with fatigue failure, a common concern in rotating machinery. By surpassing the anticipated loads encountered during operation, these bearings offer a safety margin that safeguards against premature wear, ensuring reliable performance over an extended service life. In addition to dynamic loads, bearings must also contend with static loads, which exert pressure on the bearing elements when the equipment is stationary or subjected to external forces. The static load capacity (Cor) of Series 70 Single Row Angular Contact Ball Bearings, rated at 6.02, highlights their resilience in static or low-speed applications where the load remains constant or changes gradually over time. While dynamic loads pose immediate challenges during operation, static loads can exert sustained stress on the bearing components, leading to deformation, brinelling, or other forms of damage if not adequately addressed.

2. Application Versatility of Series 70 Single Row Angular Contact Ball Bearings
The versatility of Series 70 Single Row Angular Contact Ball Bearings transcends industry boundaries, making them indispensable components in a diverse array of applications. Their adaptability stems from a combination of factors, including their ability to accommodate both radial and axial loads, their high precision engineering, and their compatibility with various lubrication and sealing options. In automotive systems, Series 70 bearings play a vital role in powertrain components such as transmissions, differential gears, and wheel hubs, where they ensure smooth operation, reduced friction, and efficient power transfer. In aerospace applications, these bearings find use in critical systems such as landing gear mechanisms, flight control surfaces, and engine components, where precision and reliability are non-negotiable. In industrial machinery and robotics, Series 70 bearings facilitate smooth motion and precise positioning in conveyors, robotic arms, machining centers, and other automated systems. Their ability to handle high speeds, heavy loads, and complex motion profiles makes them ideal for optimizing productivity and efficiency in manufacturing and logistics operations.