Deep Groove Ball Bearing - JITO Bearing
Deep Groove Ball Bearing - JITO Bearing
It consists of an outer ring, an inner ring, a set of steel balls and a set of cages.
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It mainly bears pure radial loads, but also can bear joint loads. When it is subjected to pure radial load, its contact Angle is zero. When it has a larger radial game, that is, it has angular contact bearing performance, which can withstand a larger axial load. Deep groove ball bearing has small friction coefficient and high limit speed, so it has more advantages than thrust bearing when axial load is rotating at high speed. But because its aligning performance is limited, the concentricity of bearing installation should be high, otherwise it will affect the balance of its operation, increase the bearing stress, and thus shorten the working life.
Deep groove ball bearing simple structure, compared with other easy to achieve high precision, so can be mass production. In addition to the conventional models, it also has a variety of structural variations, such as deep groove ball bearing with dust cover, deep groove ball bearing with rubber ring and deep groove ball bearing with a stop groove and so on.
Material: Bearing steel （GCr15）
Seal Type:
ZZ type ---- Bearing is sealed by steel on both sides.
2RS type ---- Bearing is sealed by black, blue or other colful rubber on both sides.
Open type ---- Bearing comes without seal on any side.
轴承型号
Bearing No
外形尺寸
Boundary dimensions (mm)
额定负荷
Load Rating (KN)
极限转速
Limiting Speed (rpm)
重量（开式）
Weight
(Open type)（kg)
开式 Open
带防尘盖 with shield(s)
带密封圈 with seal(s)
d
D
B
rmin
Cr
Cor
脂润滑Grease
开式Open
Rs 2Rs
油润滑 Oil
ZZ
-2RS
10
30
9
0.60
5.11
2.39
0.032
ZZ
-2RS
12
32
10
0.60
6.82
3.06
0.036
ZZ
-2RS
15
35
11
0.60
7.64
3.72
0.044
ZZ
-2RS
17
40
12
0.60
9.57
4.79
0.065
ZZ
-2RS
20
47
14
1.00
12.84
6.65
0.102
ZZ
-2RS
25
52
15
1.00
14.00
7.88
0.125
ZZ
-2RS
30
62
16
1.00
19.46
11.31
0.202
ZZ
-2RS
35
72
17
1.10
25.50
15.20
0.285
ZZ
-2RS
40
80
18
1.10
29.50
18.00
0.37
ZZ
-2RS
45
85
19
1.10
31.50
20.50
0.404
ZZ
-2RS
50
90
20
1.10
35.00
23.20
0.462
ZZ
-2RS
55
100
21
1.50
43.20
29.20
0.598
ZZ
-2RS
60
110
22
1.50
47.80
32.80
0.8
ZZ
-2RS
65
120
23
1.50
57.20
40.00
0.99
ZZ
-2RS
70
125
24
1.50
60.80
45.00
1.07
ZZ
-2RS
75
130
25
1.50
66.00
49.50
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1.16
ZZ
-2RS
80
140
46
2.00
72.50
53.00
1.39
ZZ
-2RS
85
150
28
2.00
84.00
62.00
1.92
ZZ
-2RS
90
160
30
2.00
96.00
71.50
2.12
ZZ
-2RS
95
170
32
2.10
1.90
82.00
2.61
ZZ
-2RS
100
180
34
2.10
122.00
93.00
3.19
622Z
ZZ
-2RS
105
190
36
2.10
133.00
105.00
3.66
ZZ
-2RS
110
200
38
2.10
144.00
117.00
4.44
ZZ
-2RS
120
215
40
2.10
155.00
131.00
5.11
130
230
40
3.00
165.00
148.00
6.04
140
250
42
3.00
166.00
150.00
7.41
150
270
45
3.00
175.00
169.00
9.76
160
290
48
3.00
210.00
210.00
12.3
170
310
52
4.00
227.00
240.00
15.2
180
320
52
4.00
256.00
279.00
15.4
190
340
55
4.00
265.00
320.00
18.9
200
360
58
4.00
288.00
335.00
22.6
220
400
65
4.00
297.00
365.00
31.2
240
440
72
4.00
360.00
470.00
51.8
M
260
480
80
5.00
430.00
592.00
68.8
Characteristics and application of bearing:
1. bearing adopts steel ball rolling, low friction, low noise, long life.
2. The bearing adopts the steel ball separator inside, so that the distance between the steel balls is uniform and the friction is small, which can bear both radial load and axial load.
3. The structure of bearing is simple and easy to disassemble and maintain.
4. The size of bearings is standardized and can be used interchangeably with other types of bearings.
Application:
1. bearings are widely used in electric tools, household appliances, automobiles, motorcycles, bicycles and other mechanical equipment, such as motors, fans, drum washing machines, car wheels, etc.
2. bearings are also commonly used in precision instruments, meters and other high-precision equipment, such as CNC machine tools, printing presses, optical instruments and so on.
3. bearings can also be used in agriculture, construction engineering and other industries, such as tractors, concrete mixing trucks, cranes, etc.
In short, bearing is a kind of rolling bearing with excellent performance and has a wide range of applications. For the manufacturing and maintenance personnel of mechanical equipment, understanding the characteristics and uses of bearings can better choose and use it to improve the performance and life of mechanical equipment.
bearings are mainly used in construction machinery, machine tools, automobile, metallurgy, mining, petroleum, machinery, electric power, railway and other industries.
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