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Series 618&619-Single Row Deep Groove Ball Bearings OEM/ODM

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Series 618&619-Single Row Deep Groove Ball Bearings

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  • Design Variants
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Model
 Dimensions Rated load C5(um) Extreme speed Weight
d
D
B
 r1,r2 Min Dynamic load Cr Static load Cor Grease lubrication Oil lubrication
61800
10
19
5
 0.3 1.73 0.83 34000 40000 0.005
61800.2RSR
10
19
5
 0.3 1.73 0.83 22000 -- 0.005
61800.2Z
10
19
5
 0.3 1.73 0.83 34000 -- 0.005
61801
12
21
5
 0.3 1.8 0.95 32000 37000 0.006
61801.2RSR
12
21
5
 0.3 1.8 0.95 21000 -- 0.006
61801.2Z
12
21
5
 0.3 1.8 0.95 32000 -- 0.006
61802
15
24
5
 0.3 2.08 1.25 28000 34000 0.007
61802.2RSR
15
24
5
 0.3 2.08 1.25 18500 -- 0.007
61802.2Z
15
24
5
 0.3 2.08 1.25 28000 -- 0.007
61803
17
26
5
 0.3 2.24 1.46 24000 30000 0.008
61803.2RSR
17
26
5
 0.3 2.24 1.46 16000 -- 0.008
61803.2Z
17
26
5
 0.3 2.24 1.46 24000 -- 0.008
61804
20
32
7
 0.3 3.45 2.24 19000 24000 0.018
61804.2RSR
20
32
7
 0.3 3.45 2.24 12500 -- 0.018
61804.2Z
20
32
7
 0.3 3.45 2.24 19000 -- 0.018
61805
25
37
7
 0.3 4.36 2.6 17000 20000 0.022
61805.2RSR
25
37
7
 0.3 4.36 2.6 11000 -- 0.022
61805.2Z
25
37
7
 0.3 4.36 2.6 17000 -- 0.022
61806
30
42
7
 0.3 4.49 2.9 15000 18000 0.027
61806.2RSR
30
42
7
 0.3 4.49 2.9 10000 -- 0.027
61806.2Z
30
42
7
 0.3 4.49 2.9 15000 -- 0.027
61807
35
47
7
 0.3 4.75 3.2 13000 16000 0.03
61807.2RSR
35
47
7
 0.3 4.75 3.2 8500 -- 0.03
61807.2Z
35
47
7
 0.3 4.75 3.2 13000 -- 0.03
61808
40
52
7
 0.3 4.94 3.45 11000 14000 0.034
61808.2RSR
40
52
7
 0.3 4.94 3.45 7000 -- 0.034
61808.2Z
40
52
7
 0.3 4.94 3.45 11000 -- 0.034
61809
45
58
7
 0.3 6.05 4.3 9500 12000 0.04
61809.2RSR
45
58
7
 0.3 6.05 4.3 6300 -- 0.04
61809.2Z
45
58
7
 0.3 6.05 4.3 9500 -- 0.04
61810
50
65
7
 0.3 6.24 4.75 9000 11000 0.052
61811
55
72
9
 0.3 8.6 8.5 9500 10000 0.083
61812
60
78
10
 0.3 11.8 11 7500 9000 0.11
61813
65
85
10
 0.6 12.2 12 7500 9100 0.13
61814
70
90
10
 0.6 12.1 12.5 7000 8500 0.14
61815
75
95
10
 0.6 13.2 10.8 6700 8000 0.15
61816
80
100
10
 0.6 12.9 13.7 6200 7400 0.15
61817
85
110
13
 1 19.5 20 5600 6700 0.27
61818
90
115
13
 1 19.5 20.4 5300 6300 0.28
61819
95
120
13
 1 19.9 21.2 5000 6000 0.3
61820
100
125
13
 1 19.9 22 4800 5600 0.31
61821
105
130
13
 1 20.8 19.6 4500 5300 0.32
61822
110
140
16
 1 28.1 30.5 4300 5000 0.6
61824
120
150
16
 1 29.1 32.5 3800 4500 0.65
61826
130
165
18
 1.1 37.7 43 3600 4300 0.93
61828
140
175
18
 1.1 39 46.5 3400 4000 0.99
61830
150
190
20
 1.1 51 60 3000 3600 1.2
61832
160
200
20
 1.1 49.4 64 2800 3400 1.45
61834
170
215
22
 1.1 61.8 78 2600 3200 1.9
61836
180
225
33
 1.1 62.4 81.5 2400 3000 2
61838
190
240
24
 1.5 67 81.5 2200 2800 2.6
61840
200
250
24
 1.5 68 84 2200 2800 2.7
61844
220
270
24
 1.5 78 110 1900 2400 3
61848
240
300
28
 2 96 125 1700 2000 4.5
61852
260
320
28
 2 96 125 1700 2000 4.8
61856
280
350
33
 2 125 170 1600 1900 7.4
61860
300
380
38
 2.1 166 233 1400 1700 10.4
61864
320
400
38
 2.1 168 244 1300 1600 11
61868
340
420
38
 2.1 175 265 1200 1500 11.6
61872
360
440
38
 2.1 192 290 1100 1400 12
61876
380
480
46
 2.1 238 375 1000 1300 19.5
61880
400
500
46
 2.1 241 390 1000 1300 20.5
61884
420
520
46
 2.1 245 410 950 1200 21.5
61888
440
540
46
 2.1 249 425 900 1100 21.4
61892
460
580
56
 3 310 550 900 1100 33.2
61896
480
600
56
 3 315 575 850 1000 35.4
618/500
500
620
56
 3 332 620 800 950 37.2
618/530
530
650
56
 3 325 625 750 900 39.5
618/560
560
680
56
 3 330 650 700 850 41.5
618/600
600
730
60
 3 335 735 670 800 50.9
618/670
670
820
69
 4 435 965 560 670 75.4
618/710
710
870
74
 4 480 1100 530 630 92.6
618/750
750
920
78
 5 525 1260 500 600 110
618/700
800
980
82
 5 530 1310 450 530 132
618/850
850
1030
82
 5 559 1430 430 500 140
618/900
900
1090
85
 5 618 1600 380 450 160
618/950
950
1150
90
 5 637 1730 360 430 190
618/1000
1000
1220
100
 6 637 1800 340 400 245
618/1060
1060
1280
100
 6 728 2120 300 360 260
618/1120
1120
1360
106
 6 741 2200 -- -- 315
618/1180
1180
1420
106
 6 710 2580 -- -- 310
618/1250
1250
1500
112
 6 852 2750 -- -- 385
618/1320
1320
1600
122
 6 956 3150 -- -- 500
618/1400
1400
1700
132
 7.5 1120 4000 -- -- 615
618/1500
1500
1820
140
 7.5 1210 4400 -- -- 745
618/1600
1600
1950
155
 7.5 1270 4800 -- -- 965
618/1700
1700
2060
160
 7.5 1270 4900 -- -- 1100
61900
10
22
6
 0.3 2.7 1.27 34000 40000 0.01
61900.2RSR
10
22
6
 0.3 2.7 1.27 22000 -- 0.01
61900.2Z
10
22
6
 0.3 2.7 1.27 34000 -- 0.01
61901
12
24
6
 0.3 2.25 0.98 30000 36000 0.011
61901.2RSR
12
24
6
 0.3 2.25 0.98 20000 -- 0.011
61901.2Z
12
24
6
 0.3 2.25 0.98 30000 -- 0.011
61902
15
28
7
 0.3 4.03 2.04 24000 30000 0.016
61902.2RSR
15
28
7
 0.3 4.03 2.04 16000 -- 0.016
61902.2Z
15
28
7
 0.3 4.03 2.04 24000 -- 0.016
61903
17
30
7
 0.3 4.36 2.32 22000 28000 0.018
61903.2RSR
17
30
7
 0.3 4.36 2.32 14500 -- 0.018
61903.2Z
17
30
7
 0.3 4.36 2.32 22000 -- 0.018
61904
20
37
9
 0.3 6.35 3.65 18000 22000 0.038
61904.2RSR
20
37
9
 0.3 6.35 3.65 12000 -- 0.038
61904.2Z
20
37
9
 0.3 6.35 3.65 18000 -- 0.038
61905
25
42
9
 0.3 6.6 4 10500 -- 0.045
61905.2RSR
25
42
9
 0.3 6.6 4 16000 19000 0.045
61905.2Z
25
42
9
 0.3 6.6 4 16000 -- 0.045
61906
30
47
9
 0.3 7.25 4.55 14000 17000 0.051
61906.2RSR
30
47
9
 0.3 7.25 4.55 9500 -- 0.051
61906.2Z
30
47
9
 0.3 7.25 4.55 14000 -- 0.051
61907
35
55
10
 0.6 9.55 6.2 11000 14000 0.08
61907.2RSR
35
55
10
 0.6 9.55 6.2 7500 -- 0.08
61907.2Z
35
55
10
 0.6 9.55 6.2 11000 -- 0.08
61908
40
62
12
 0.6 13.75 9.28 10000 13000 0.12
61908.2RSR
40
62
12
 0.6 13.75 9.28 6500 -- 0.12
61908.2Z
40
62
12
 0.6 13.75 9.28 10000 -- 0.12
61909
45
68
12
 0.6 10 6.5 9000 11000 0.14
61909.2RSR
45
68
12
 0.6 10 6.5 6000 -- 0.14
61909.2Z
45
68
12
 0.6 10 6.5 9000 -- 0.14
61910
50
72
12
 0.6 14.5 10.5 8500 10000 0.14
61910.2RSR
50
72
12
 0.6 14.5 10.5 5500 -- 0.14
61910.2Z
50
72
12
 0.6 14.5 10.5 8500 -- 0.14
61911
55
80
13
 1 15.8 11.5 8000 9500 0.19
61912
60
85
13
 1 16.5 12 7500 9000 0.2
61913
65
90
13
 1 17.3 13.4 6700 8000 0.22
61914
70
100
16
 1 23.8 18.4 6300 7500 0.35
61915
75
105
16
 1 24.2 19.2 6000 7000 0.37
61916
80
110
16
 1 25 20.5 5600 6700 0.4
61917
85
120
18
 1.1 31.9 30 5300 6300 0.55
61918
90
125
18
 1.1 33.2 31.5 5000 6000 0.59
61919
95
130
18
 1.1 33.8 33.5 4800 5600 0.61
61920
100
140
20
 1.1 42.2 41.5 4500 5300 0.83
61921
105
145
20
 1.1 44.2 44 4300 5000 0.87
61922
110
150
20
 1.1 43.5 45 4000 4800 0.9
61924
120
165
22
 1.1 55 57 3600 4300 1.2
61926
130
180
24
 1.5 65 67 3400 4000 1.6
61928
140
190
24
 1.5 66.5 72 3200 3800 1.7
61930
150
210
28
 2 88.4 93 2800 3400 3.05
61932
160
220
28
 2 92.2 98 2600 3200 3.25
61934
170
230
28
 2 93.5 106 2400 3000 3.4
61936
180
250
33
 2 119 134 2200 2800 5.05
61938
190
260
33
 2 117 134 2200 2800 5.25
61940
200
280
38
 2.1 148 160 2000 2600 7.4
61944
220
300
38
 2.1 151 180 1900 2400 8
61948
240
320
38
 2.1 159 200 1800 2200 8.6
61952
260
360
46
 2.1 212 270 1600 1900 14.5
61956
280
380
46
 2.1 216 285 1500 1800 15.5
61960
300
420
56
 3 270 375 1300 1600 24.5
61964
320
440
56
 3 266 375 1200 1500 25.7
61968
340
460
56
 3 280 425 1100 1400 27.1
61972
360
480
56
 3 280 425 1100 1400 29.3
61976
380
520
65
 4 325 510 1000 1300 40
61980
400
540
65
 4 335 540 950 1200 42
61984
420
560
65
 4 340 570 900 1100 43.5
61988
440
600
74
 4 395 680 900 1100 60.2
61992
460
620
74
 4 405 720 850 1000 68.3
61996
480
650
78
 5 450 815 800 950 80
619/500
500
670
78
 5 460 865 750 900 77
619/530
530
710
82
 5 455 870 700 850 89.8
619/560
560
750
85
 5 525 1040 670 800 105
619/600
600
800
90
 5 550 1160 630 750 120
619/630
630
780
69
 4 420 890 630 750 71.3
619/630
630
850
100
 6 625 1350 600 700 163
619/670
670
900
103
 6 675 1460 530 630 181
619/710
710
950
106
 6 715 1640 500 600 208
619/750
750
1000
112
 6 785 1840 480 560 245
619/800
800
1060
115
 6 825 2050 430 500 275
619/850
850
1120
118
 6 832 2160 400 480 310
619/900
900
1180
122
 6 852 2280 380 430 350
619/950
950
1250
132
 7.5 1010 2800 340 400 390
619/1000
1000
1320
140
 7.5 1010 2800 320 380 515
619/1060
1060
1400
150
 7.5 1010 3000 280 340 620
619/1120
1120
1460
150
 7.5 1040 3100 -- -- 650
619/1180
1180
1540
160
 7.5 1140 3600 -- -- 775
619/1320
1320
1720
128
 7.5 1210 4050 -- -- 830
619/1400
1400
1820
185
 9.5 1590 5500 -- -- 1250
619/1500
1500
1950
195
 9.5 1720 6100 -- -- 1500
619/1600
1600
2060
200
 9.5 1860 6950 -- -- 1650
619/1700
1700
2180
212
 9.5 1990 7650 -- -- 1950

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 618&619-Single Row Deep Groove Ball Bearings Factory and OEM/ODM Series 618&619-Single Row Deep Groove 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. Versatility Across Industries
Series 618&619 single row deep groove ball bearings have earned a reputation for their exceptional versatility, making them indispensable components across a myriad of industries. In the automotive sector, these bearings are utilized in critical applications such as wheel hubs, transmissions, and engines. Within wheel hubs, they facilitate smooth rotation and support the vehicle's weight, ensuring optimal performance and safety. In transmissions, these bearings enable seamless gear shifting by minimizing friction and enhancing power transmission efficiency. In engine assemblies, they play a vital role in supporting various rotating components, including camshafts, crankshafts, and pulleys, contributing to the overall reliability and performance of the engine system. Beyond automotive applications, Series 618&619 bearings find extensive use in the aerospace industry, where they are employed in aircraft engines, landing gear systems, and flight control mechanisms. Their ability to withstand high speeds and dynamic loads under extreme conditions makes them ideal for aerospace applications, where precision, reliability, and safety are paramount. In aircraft engines, these bearings support rotating shafts and turbine blades, ensuring smooth operation and minimal vibration. Similarly, in landing gear systems, they facilitate the retraction and extension of landing gear components during takeoff and landing, providing stability and control to the aircraft. In industrial machinery, Series 618&619 bearings play a vital role in diverse applications such as pumps, electric motors, conveyors, and gearboxes. In pumps, they support rotating shafts and impellers, enabling the efficient transfer of fluids in various industrial processes, from water circulation to chemical processing. Electric motors rely on these bearings to minimize friction and facilitate smooth rotation of shafts, enhancing energy efficiency and reducing maintenance requirements. Conveyors utilize these bearings to support load-carrying rollers or pulleys, ensuring reliable material handling in manufacturing facilities, warehouses, and distribution centers.

2. Performance Characteristics of Series 618&619 single row deep groove ball bearings
Series 618&619 single row deep groove ball bearings are engineered to deliver exceptional performance characteristics, making them preferred choices in demanding industrial applications. These bearings exhibit a multitude of features that contribute to their superior performance across various operating conditions. a)High-Speed Capability: One of the key performance attributes of Series 618&619 bearings is their ability to operate efficiently at high speeds. This capability is achieved through precision manufacturing techniques that ensure uniform ball size, raceway geometry, and optimized internal clearances. As a result, these bearings can sustain rotational speeds ranging from moderate to high, making them suitable for applications where rapid motion and smooth operation are essential. b)Low Friction and Noise Levels: Series 618&619 bearings are designed to minimize frictional resistance, resulting in efficient power transmission and reduced energy consumption. Advanced lubrication systems, combined with optimized internal geometry, ensure smooth ball rotation and minimal contact stress, leading to lower operating temperatures and extended bearing life. Additionally, the design features of these bearings help mitigate noise levels, making them ideal for noise-sensitive applications such as automotive transmissions and precision machinery. c)High Load-Carrying Capacity: Despite their compact design, Series 618&619 bearings boast impressive load-carrying capabilities. By distributing radial loads evenly across the contact surfaces between balls and raceways, these bearings can accommodate both radial and axial loads with minimal deflection. This feature is particularly advantageous in applications where heavy loads or shock loads are present, providing reliable support and preventing premature wear or failure.