Deep
groove Ball Bearing
Deep groove Ball Bearings are with the
characteristics of simply designed structures; low friction coefficient and
high limit rotational speed. Their range of application is very wide. They can
mainly carry radial load and certain thrust load. When the radial internal
clearance increased, the bearings have the functions of angular contact ball
bearings that a larger thrust load can also be carried.
Structures
1.
Basic
type 60000
Applications of this type of bearing can be
found in situations where there are no special requirements for mounting and
sealing.
2.
With
one shield (-Z) on one side or two shields (-2Z) on both sides.
The shields are made of steel sheet. Adequate lubricating grease has
been put in the deep groove ball bearings with two shields during assembling
process and there is no need to clean the bearing or add lubricant as mounting.
It is noncontact seal, and compared with deep groove ball bearings with seals,
they have less friction and suitable for applications with high rotational
speed requirement.
3.
With
one seal(-RS)on one side or two seals(-2RS)on both sides
The
seals are made of rubber with steel sheet reinforcement. It is contact sealing
that could seal much better but have high friction and low limit rotation speed
if the seals contact with the outside of the inner ring; while it is
non-contact sealing that has the same limit rotation speed as the basic type. The
lubricant has been prefilled in the bearing with seals both sides, so there is
no need to clean and fill the lubricant as mounting.
With snap ring groove on
the outer ring (-N)
The snap ring can be used to locate the
bearing in the axial direction so that the mounting in the housing is
simplified.
Cage material
Deep groove ball bearings generally use
pressed steel cages or solid cages. Phenol resin cage is suitable for
application with high limit rotational
speed.
Permissible Tilt Angle
Deep
groove ball bearings permit tilting angle between the inner ring and outer
ring. The details are listed in the Table 1.
Tolerance and
Clearance
The tolerance of deep groove ball
bearings is P0 basically. P5, P6, P4 and P2 are available for different
application.
The
radial internal clearance of Deep Groove Ball Bearing is as Table 3.
Dynamic equivalent radial load
Pr=XFr+YFa
Fr-Radial load
(kN)
Fa-Axial load (kN)
X-Radial factor
Y-Axial factor
X and Y values see Table below.
Static
equivalent radial load
P0r=Fr[kN]
P0r=0.6Fr+0.5Fa[kN]
Table
1 Permissible Tilt Angle
Radial internal clearance
The
permissible angle
0Basic group
3Group 3
4Group 4
8′
12′
16′
Table 2 Values
of X and Y
Type
of bearing
Relative axial load
Single row
Double row
e
X
Y
X
Y
X
Y
X
Y
Deep groove ball bearing
0.172
0.345
0.689
1.03
1.38
2.07
3.45
5.17
6.89
0.172
0.345
0.689
1.03
1.38
2.07
3.45
5.17
6.89
1
0
0.56
2.3
1
0
0.56
2.3
1.99
1.71
1.55
1.45
1.31
1.15
1.04
1
0.19
0.22
0.26
0.28
0.3
0.34
0.38
0.42
0.44
Table 3 Radial internal
clearance of deep groove ball bearing
μm
Nominal bore diameter d
mm
C2
clearance
Standard
clearance
C3
clearance
C4
clearance
C5
clearance
Over
To
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
2.5
6
10
18
24
30
40
50
65
80
100
120
140
160
180
200
225
250
280
315
355
400
450
500
560
630
710
800
900
1000
1120
6
10
18
24
30
40
50
65
80
100
120
140
160
180
200
225
250
280
315
355
400
450
500
560
630
710
800
900
1000
1120
1250
0
0
0
0
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
3
3
3
3
10
10
20
20
20
20
20
20
7
7
9
10
11
11
11
15
15
18
20
23
23
25
30
35
40
45
55
60
70
80
90
100
110
130
140
160
170
180
190
2
2
3
5
5
6
6
8
10
12
15
18
18
20
25
25
30
35
40
45
55
60
70
80
90
110
120
140
150
160
170
13
13
18
20
20
20
23
28
30
36
41
48
53
61
71
85
95
105
115
125
145
170
190
210
230
260
290
320
350
380
410
8
8
11
13
13
15
18
23
25
30
36
41
46
53
63
75
85
90
100
110
130
150
170
190
210
240
270
300
330
360
390
23
23
25
28
28
33
36
43
51
58
66
81
91
102
117
140
160
170
190
210
240
270
300
330
360
400
450
500
550
600
650
-
14
18
26
23
28
30
38
46
53
61
71
81
91
107
125
145
155
175
195
225
250
280
310
340
380
430
480
530
580
630
-
29
33
36
41
46
51
61
71
84
97
114
130
147
163
195
225
245
270
300
340
380
420
470
520
570
630
700
770
850
920
-
20
25
28
30
40
45
55
65
75
90
105
120
135
150
175
205
225
245
275
315
350
390
440
490
540
600
670
740
820
890
37
45
48
53
64
73
90
105
120
140
160
180
200
230
265
300
340
370
410
460
510
570
630
690
760
840
940
1040
1150
1260
Deep Groove Ball Bearing Steel Cage Ball Bearing,Brass Cage Ball Bearing,Steel Cage Deep Groove Ball Bearing,Brass Cage Deep Groove Ball Bearing Xibei Bearing Co.,Ltd. , https://www.nxzjck.com
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1
2
3
4
6 voltage output form sensor power supply: +24Vdc output: 1 ~ 5V,
-24Vdc -2～-18V
7 Current output form sensor power supply: +24Vdc 4~20mA
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