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Deep Groove Ball Bearings >>R minitype series
NingBo KaiCheng Bearings Manufacturing Co., Ltd. founded in 1988, It's specialized in manufacturing deep groove ball bearings, tapered roller bearings, automobile bearings, r minitype series etc. The high speed and low noise bearings is our mainly produces of EMQ bearings. We are own our brand of "CIE", It is of advanced productive technique, consummate device and complete testing means. As well as we have powerful strength for new products, r minitype series and special bearings development. Form last year, We are sales about Seventy million US$ for export, About 90% produce in our factory is for export.
r minitype series

Pr = XFr + YFa
Fa
---
Cor
e
Fa
---
Cor
+e
Fa
---
Cor
e
x
y
x
y
0.010
0.020
0.040
0.070
0.10
0.15
0.20
0.30
0.18
0.20
0.24
0.27
0.29
0.32
0.35
0.38
1
0
0.56
2.46
2.14
1.83
1.61
1.48
1.35
1.25
1.13
Por = 0.6Fr + 0.5Fa
When Por Fr, Let Por = Fr

Bearing accuracy
Bearing accurany refers to accuracy on and rotation. According to chinese national standard, the bearing accuracy is divided into five classes: Class 0, Class 6, Class 5, Class 4 and Class 2. All of them are equivalent to ISO standard.The comparison of different accuracy classes are shown as follows:
Comparison table of accuracy grade
Standard
Accuracy Grade
GB
ISO
ANSI
SKF
DIN
JIS
0
0
ABEC1
PO
PO
0
6
6
ABEC3
P6
P6
6
5
5
ABEC5
P5
P5
5
4
4
ABEC7
P4
P4
4
2
2
ABEC9
P2
P2
2

Main size(mm)
Load rating(N)
Maxronout speed (rpm)
Bearing No.
Fixing size(mm)
Weight(kg)
d
D
B
B1
D1
C1
C2
rsmin1)
Cr
Cor
Grease
Oil
Open
Z
ZZ
FL
FL...Z
FL...ZZ
Ds
dh
R
Open
FL
1.016
3.175
1.191
-
-
-
-
0.08
97
26
110000
130000
R01
-
-
-
-
-
1.6
2.5
0.08
0.04
-
1.191
3.967
1.588
2.380
5.16
0.33
0.79
0.08
159
44
93000
110000
R0
R0Z
R0ZZ
FLR0
FLR0Z
FLR0ZZ
2
3.2
0.08
0.09
0.11
1.397
4.762
1.984
2.779
5.94
0.58
0.79
0.08
185
56
81000
95000
R1
R1Z
R1ZZ
FLR1
FLR1Z
FLR1ZZ
2.2
3.8
0.08
0.17
0.21
1.984
6.350
2.380
3.571
7.52
0.58
0.79
0.08
279
89
67000
79000
R1-4
R1-4Z
R1-4ZZ
FLR1-4
FLR1-4Z
FLR1-4ZZ
2.8
5.5
0.08
0.35
0.41
2.380
4.762
1.588
2.380
5.94
0.46
0.79
0.08
124
42
73000
85000
R133
R133Z
R133ZZ
FLR133
FLR133Z
FLR133ZZ
3.2
4
0.08
0.12
0.16
7.938
2.779
3.571
9.12
0.58
0.79
0.13
430
152
56000
66000
R1-5
R1-5Z
R1-5ZZ
FLR1-5
FLR1-5Z
FLR1-5ZZ
3.2
7
0.1
0.69
0.76
3.175
6.350
2.380
2.779
7.52
0.58
0.79
0.08
284
96
59000
70000
R144
R144Z
R144ZZ
FLR144
FLR144Z
FLR144ZZ
4
5.5
0.08
0.27
0.33
7.938
2.779
3.571
9.12
0.58
0.79
0.08
560
180
54000
63000
R2-5
R2-5Z
R2-5ZZ
FLR2-5
FLR2-5Z
FLR2-5ZZ
4
7
0.08
0.61
0.68
9.525
2.779
3.571
10.72
0.58
0.79
0.13
640
224
49000
58000
R2-6
R2-6Z
R2-6ZZ
FLR2-6
FLR2-6Z
FLR2-6ZZ
4
8.7
0.1
0.88
0.96
9.525
3.967
3.967
11.18
0.76
0.76
0.3
640
224
49000
58000
R2
R2Z
R2ZZ
FLR2
FLR2Z
FLR2ZZ
4.8
7.8
0.3
1.3
1.5
12.700
4.366
4.366
-
-
-
0.3
1150
395
43000
51000
R2
R2Z
R2ZZ
-
-
-
4.8
11
0.3
2.5
-
3.967
7.938
2.779
3.175
9.12
0.58
0.91
0.08
335
133
51000
60000
R155
R155Z
R155ZZ
FLR155
FLR155Z
FLR155ZZ
4.8
7
0.08
0.54
0.61
4.762
7.938
2.779
3.175
9.12
0.58
0.91
0.08
395
143
49000
58000
R156
R156Z
R156ZZ
FLR156
FLR156Z
FLR156ZZ
5.6
7
0.08
0.44
0.51
9.525
3.175
3.175
10.72
0.58
0.79
0.08
710
268
46000
55000
R166
R166Z
R166ZZ
FLR166
FLR166Z
FLR166ZZ
5.6
8.7
0.08
0.80
0.89
12.700
3.967
-
-
-
-
0.3
1310
490
41000
48000
R3
-
-
-
-
-
6.4
11
0.3
2.2
-
12.700
4.978
4.978
14.35
1.07
1.07
0.3
1310
490
41000
48000
R3
R3Z
R3ZZ
FLR3
FLR3Z
FLR3ZZ
6.4
11
0.3
2.4
2.7
6.350
9.525
3.175
3.175
10.72
0.58
0.91
0.08
268
136
43000
51000
R168
R168Z
R168ZZ
FLR168
FLR168Z
FLR168ZZ
7.2
8.7
0.08
0.60
0.69
12.700
3.175
4.762
13.89
0.58
1.14
0.13
830
370
39000
46000
R188
R188Z
R188ZZ
FLR188
FLR188Z
FLR188ZZ
7.2
11.8
0.1
1.6
1.7
15.875
4.978
4.978
17.53
1.07
1.07
0.3
1480
615
36000
43000
R4
R4Z
R4ZZ
FLR4
FLR4Z
FLR4ZZ
8
14.2
0.3
4.4
4.8
19.050
-
7.142
-
-
-
0.41
2340
885
34000
40000
-
RA4Z
RA4ZZ
-
-
-
8.4
17
0.4
112)
-
9.525
22.225
-
7.142
24.61
-
1.57
0.41
3300
1400
31000
37000
-
R6Z
R6ZZ
-
-
-
-
20.2
0.4
142)
152)
Attention:1)The minimum size for r.
    1N=0.102kgf
    2)The weight of bearing with dustproof two sides.



 

 
Contact us

Ningbo KaiCheng Bearings Manufactory Co.,Ltd.
Add:Room 624, Jinhui Building, No.1318, Qianying Road, Cixi, Zhejiang.
Tel:0086-574-63006565
Fax:0086-574-63105608
E-mail:bearingcie@bearingcie.com
Website: http://www.bearingcie.com
Contact Person : Mr. FangJun(Sales Manager)
 
 



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Deep Groove Ball Bearings
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Needle Roller Bearings
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Cylindrical Roller Bearings
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