deep groove ball bearing ZYS
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Super thin series deep groove ball bearing

ZYS super thin series deep groove ball bearing products are divided into 2 series: 618 series, 619 series. These series bearings can save space, reduce weight, significantly reduce friction, and offer good rotation accuracy. It also can effectively reduce the external dimensions of the machine and reduce production cost without affecting bearing performance and service life.

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Bearing Model

Dimension

Basic Load rating (kN)

Weight (kg)

Standard type

shield

seal

With snap ring groove

With snap ring

d

D

B

rsmin

D2 (max)

max

Cr

Cor

 

61905

ZZ

2RZ

2RS

N

NR

25

42

9

0.3

44.8

0.85

6.63

4.00

0.045

61906

ZZ

2RZ

2RS

N

NR

30

47

9

0.3

49.8

0.85

7.28

4.55

0.051

61907

ZZ

2RZ

2RS

N

NR

35

55

10

0.6

57.8

0.85

9.56

6.20

0.080

61908

ZZ

2RZ

2RS

N

NR

40

62

12

0.6

64.8

0.85

13.8

9.30

0.120

61909

ZZ

2RZ

2RS

N

NR

45

68

12

0.6

70.8

0.85

10.1

6.70

0.140

61910

ZZ

2RZ

2RS

N

NR

50

72

12

0.6

74.8

0.85

14.6

10.4

0.140

61911

ZZ

2RZ

2RS

N

NR

55

80

13

1

84.4

1.12

16.0

13.2

0.181

61912

ZZ

2RZ

2RS

N

NR

60

85

13

1

89.4

1.12

16.4

14.2

0.195

61913

ZZ

2RZ

2RS

N

NR

65

90

13

1

94.4

1.12

16.0

15.0

0.196

61914

ZZ

2RZ

2RS

N

NR

70

100

16

1

104.4

1.12

23.7

21.1

0.342

61915

ZZ

2RZ

2RS

N

NR

75

105

16

1

110.7

1.12

24.3

22.5

0.355

61916

ZZ

2RZ

2RS

N

NR

80

110

16

1

115.7

1.12

24.9

23.9

0.375

61917

ZZ

2RZ

2RS

N

NR

85

120

18

1.1

125.7

1.12

31.9

29.7

0.507

61918

ZZ

2RZ

2RS

N

NR

90

125

18

1.1

130.7

1.12

32.8

31.5

0.533

61919

ZZ

2RZ

2RS

N

NR

95

130

18

1.1

135.7

1.12

33.7

33.3

0.558

61920

ZZ

2RZ

2RS

N

NR

100

140

20

1.1

145.7

1.7

42.7

41.9

0.774

61921

ZZ

2RZ

2RS

N

NR

105

145

20

1.1

150.7

1.7

43.9

44.3

0.808

61922

ZZ

2RZ

2RS

N

NR

110

150

20

1.1

155.7

1.7

43.6

44.4

1.00

61924

ZZ

2RZ

2RS

N

NR

120

165

22

1.1

171.5

1.7

53.0

53.9

1.09

61926

ZZ

2RZ

2RS

N

NR

130

180

24

1.5

186.5

1.7

65.1

67.2

1.50

61928

ZZ

2RZ

2RS

N

NR

140

190

24

1.5

196.5

1.7

66.6

71.2

1.59

61930

ZZ

2RZ

2RS

-

--

150

210

28

2

--

-

84.7

90.2

2.45

61932

ZZ

2RZ

2RS

-

--

160

220

28

2

--

-

86.9

95.5

2.59

61934

ZZ

2RZ

2RS

-

--

170

230

28

2

--

-

88.8

100

2.73

61936

ZZ

2RZ

2RS

--

-

180

250

33

2

--

--

118

133

4.06

61938

ZZ

2RZ

2RS

--

-

190

260

33

2

--

--

117

133

4.22

61940

ZZ

2RZ

2RS

--

-

220

300

38

2.1

--

-

152

178

6.34

61948

ZZ

2RZ

--

--

-

240

320

38

2.1

--

-

154

190

8.49

61952

ZZ

2RZ

-

--

-

260

360

46

2.1

--

-

204

255

14

61956

ZZ

2RZ

-

--

-

280

380

46

2.1

--

-

209

272

15.1

61960

ZZ

2RZ

-

--

-

300

420

56

3

--

-

269

370

23.9

61809

ZZ

2RZ

2RS

N

NR

45

58

7

0.3

60.8

0.85

4.65

4.32

0.040

61810

ZZ

2RZ

2RS

N

NR

50

65

7

0.3

67.8

0.85

6.60

6.10

0.043

61811

ZZ

2RZ

2RS

N

NR

55

72

9

0.3

74.8

0.85

9.10

8.40

0.070

61812

ZZ

2RZ

2RS

N

NR

60

78

10

0.3

82.7

1.12

9.10

8.70

0.093

61813

ZZ

2RZ

2RS

N

NR

65

85

10

0.6

89.4

1.12

11.9

11.5

0.130

61814

ZZ

2RZ

2RS

N

NR

70

90

10

0.6

94.4

1.12

12.1

11.9

0.138

61815

ZZ

2RZ

2RS

N

NR

75

95

10

0.6

99.4

1.12

12.5

12.8

0.147

61816

ZZ

2RZ

2RS

N

NR

80

100

10

0.6

104.4

1.12

12.7

13.3

0.155

61817

ZZ

2RZ

2RS

N

NR

85

110

13

1

115.7

1.12

19.2

19.8

0.245

61818

ZZ

2RZ

2RS

N

NR

90

115

13

1

120.7

1.12

19.5

20.5

0.258

61819

ZZ

2RZ

2RS

N

NR

95

120

13

1

125.7

1.12

19.8

21.3

0.270

61820

ZZ

2RZ

2RS

N

NR

100

125

13

1

130.7

1.12

20.1

22.0

0.303

61821

--

2RZ

2RS

N

NR

105

130

13

1

135.7

1.12

20.3

22.7

0.312

61822

--

2RZ

2RS

N

NR

110

140

16

1

145.7

1.7

22.5

24.5

0.509

61824

--

2RZ

2RS

N

NR

120

150

16

1

155.7

1.7

24.0

28.0

0.529

61826

--

2RZ

2RS

N

NR

130

165

18

1.1

171.5

1.7

24.4

28.0

0.775

61828

--

2RZ

2RS

N

NR

140

175

18

1.1

181.5

1.7

39.2

46.0

0.784

61830

--

2RZ

2RS

N

NR

150

190

20

1.1

196.5

1.7

49.1

57.1

1.11

61832

--

2RZ

2RS

N

NR

160

200

20

1.1

206.5

1.7

45.2

55.1

1.18

61834

--

2RZ

2RS

--

--

170

215

22

1.1

--

--

51.2

63.3

1.65

61836

--

2RZ

2RS

--

--

180

225

22

1.1

--

--

62.3

75.9

1.62

61838

--

2RZ

2RS

--

--

190

240

24

1.5

--

--

75.1

91.6

2.10

61840

--

2RZ

2RS

--

--

200

250

24

1.5

--

--

74.2

91.2

2.18

61848

ZZ

2RZ

--

--

--

240

300

28

2

--

--

98.5

137

4.48

61852

ZZ

2RZ

--

--

--

260

320

28

2

--

--

101

148

4.84

61856

ZZ

2RZ

--

--

--

280

350

33

2

--

--

133

191

7.2

61860

ZZ

2RZ

--

--

--

300

380

38

2

--

--

166

233

10.3

MACHINE TOOL

Machine tool is the carrier of advanced manufacturing technology and the basic production means of equipment industry. It is the basic equipment for equipment manufacturing industry, mainly for automobile, military, agricultural machinery, engineering machinery, electric power equipment, railway locomotive, ship and other industries. Machine tool performance plays an increasingly important role in production efficiency and product quality and also has high demand for more reliable and energy efficient components.

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VEHICLE

Driven by increasing environmental awareness and stricter emission regulations, the automotive industry is undergoing an unprecedented period of change. Computer technology has been used in the control and monitoring devices of many vehicle systems. New materials for cars, such as light alloys, have been gradually used in mainstream cars, and new technologies allow for further emissions cuts.

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RAILWAY

Railway transportation is one of the main ways of transportation. As the main means of railway transportation, train technology is constantly innovating. Freight vehicles with increasing load, locomotive vehicles with increasing traction, or passenger vehicles with increasing running speed are affecting people's way of life.

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MOTORCYCLE

Each motorcycle is usually equipped with 20 to 30 bearings. These bearings are used for important rotating parts such as engines, transmissions, and wheels to support driving, and are responsible for reducing friction and driving the engine power to the wheels. Therefore, the performance required for motorcycle bearings is to achieve smooth rotation through low friction, low vibration and high durability. These performance affect the fuel consumption and safety that are closely related to our life. ZYS always pays attention to these details and strives to develop bearing and optimize the bearing design to improve the quality of life and protect the global environment.

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AGRICULTURE

Agricultural engineering involves a wide range of machinery, equipment and tools, most of which are specially designed and manufactured according to the characteristics of agriculture and the special requirements of various operations, such as soil tillage machinery, planting and fertilization machinery, plant protection machinery, crop harvesting machinery, animal husbandry machinery and agricultural products processing machinery, etc. Another part of agricultural machinery is common to other industries, and can be directly selected according to the characteristics and needs of agriculture, such as agricultural power machinery, water pumps in farmland irrigation and drainage machinery, etc.; or design these machinery into agricultural variants according to the characteristics and needs of agriculture, such as agricultural vehicles, trailers in agricultural transport machinery, stone machinery in farmland construction machinery.

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ELECTRIC MOTOR

Motors are used as power sources in all industries. In the development of the electrification of power sources, in order to meet the requirements of environmental protection, low energy loss and high reliability, ZYS continuously developed high-performance bearings with low friction. These bearings are widely used in the rotating part of the motor, which can play a significant role in bearing the load carried by the motor while supporting smooth and quiet rotation.

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METALLURGY AND CONSTRUCTION

There are many kinds of metallurgical equipment, including not only the equipment needed by the raw material factory, but also the equipment needed from the upstream process to the downstream process, such as steelmaking process, steel rolling process and leveling process. These bearings are used under the special conditions of iron powder, water and heat of metallurgical equipment, so they need to meet the requirements of heavy load , vibration shock, from ultra-low speed to high-speed & rapid acceleration and deceleration. "Stable operation and improved production efficiency" can be described as a representative industry in the field of metallurgical equipment. ZYS is not only in bearing design technology, but also in various aspects such as bearing material technology, lubrication technology, and analytical technology.

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OIL AND GAS

Oil and gas technology is developing at a very rapid pace, and exploiting deeper oil and gas resources in harsher environments means that the top drives need more power to withstand higherloads.When unforeseen downtime costs are as high as $1 million per day, the reliability of equipment becomes particularly important, and the reliability of key parts of the bearing directly determines the performance of the equipment.

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WIND ENERGY

As a renewable and clean energy source, wind power is rapidly developing all over the world. Large wind turbines are giant machinery. Nowadays, many 2MW wind power plants under construction have wind turbine blades with a length of about 40 meters, a rotating shaft with a height of 60 to 100 meters and total weight of more than 200 tons. Therefore, the bearings used in wind power must also be large, with an inner diameter ranging from 100 mm to 700 mm. Some models require bearings with an inner diameter of nearly 2 meters. Bearings for wind turbines require high reliability, because the bearings are designed to keep the windmill running for 20 years; and when the fault occurs, the parts are not easy to replace (the bearing is used at a long distance from the ground). Bearing manufacturers need to have a high degree of computer analysis technology and exquisite skills in materials and heat treatment, and need to master the test evaluation technology for large bearing .

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