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Bearing Parts >> Steel Ball
NingBo KaiCheng Bearings Manufacturing Co., Ltd. founded in 1988, It's specialized in manufacturing deep groove ball bearings, tapered roller bearings, automobile bearings, steel ball, steel balls 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, steel ball, steel balls 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.

QUALITY STANDAR
GRADE
GAUG RANG
Sph Sphericity Daviation
VDWS Diameter Variaion
VDWL Lot Diamete
Ra Surface
Rouqhoess
Not more than(um)
ISO
AFBMA
DIN
ISO
AFBMA
DIN
ISO
AFMA
DIN
ISO
AFBMA
DIN
ISO
AFBMA
DIN
ISO
AFBMA
DIN
10
10
+-9
+-2.5
+-11
0.25
0.25
1
0.25
0.25
 
0.5
0.5
2
0.025
0.025
 
16
16
+-10
+-2.5
+-14
0.4
0.4
2
0.4
0.4
 
0.8
0.8
4
0.032
0.025
 
20
24
+-10
+-2.5
+-75
0.5
0.6
25
0.5
0.6
 
1
1.2
50
0.04
0.05
 
28
48
 
+-12
+-5
 
0.7
1.2
 
0.7
1.2
 
1.4
2.4
 
0.05
0.075
 
40
100
 
+-16
+-12.5
 
1
2.5
 
1
2.5
 
2
5
 
0.08
0.125
 
100
200
 
+-40
+-25
 
2.5
5
 
2.5
5
 
5
10
 
0.125
0.2
 
200
500
 
+-60
+-50
 
50
12.5
 
5
12.5
 
10
25
 
0.2
 
 
 
1000
 
 
+-125
 
 
25
 
 
25
 
 
50
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

DIMENSIONAL CONVERSION CHART
Inch Fractins
Inch Decimals
mm

weiht per 1000alls (kg)

Inch fractioh

Inch Decimals

mm

Weight per 1000balls (kg)

1/64
.0156
0.397
.00026
-
.7480
19.000
27.98
-
.0197
0.500
.00051
3/4
.7500
19.050
28.20
1/32
.0312
0.794
.00021
25/32
.7812
19.844
31.87
-
.0394
1.000
.00407
-
.7874
20.000
32.63
3/64
.0469
1.190
.00688
13/16
.8125
20.637
35.85
-
.0472
1.200
.00704
-
.8268
21.000
37.77
-
.0590
1.500
.01377
27/32
.8437
21.431
40.15
1/16
.0625
1.588
.01632
-
.8661
22.000
43.43
5/64
.0781
1.984
.03187
7/8
.8750
22.225
44.78
-
.0787
2.000
.0326
-
.9055
23.000
49.63
3/32
.0937
2.381
.0550
29/32
.9062
23.019
49.75
-
.0984
2.500
.0638
15/16
.9375
23.812
55.07
7/64
.1094
2.778
.0875
-
.9449
24.000
56.39
-
.181
3.000
.101
31/32
.9687
24.606
60.77
1/8
.1250
3.175
.1305
-
.9842
25.000
63.73
-
.1378
3.500
.1749
1
1.0000
25.400
66.84
9/64
.1406
3.572
.1859
-
1.0236
26.000
71.69
5/32
.1562
3.969
.2550
1 1/16
1.0625
26.987
80.17
-
.1575
4.000
.2610
-
1.1024
28.000
89.54
11/64
.1719
4.366
.3394
1 1/8
1.1250
28.575
95.17
-
.1770
4.500
.3716
-
1.1811
30.000
110.10
3/16
.1875
4.763
.4406
1 3/16
1.1875
30.162
11.90
-
.1968
5.000
.5099
1 1/4
1.2500
31.750
130.50
-
.2165
5.550
.6786
-
1.2598
32.000
133.70
7/32
.2187
5.556
.6996
1 5/16
1.3125
3.37
151.10
15/64
.2344
5.953
.8605
-
1.3386
34.000
160.30
-
.2362
6.000
.8810
1 3/8
1.3750
34.925
173.80
1/4
.2500
6.350
1.044
-
1.3780
35.000
174.90
-
.2559
6.500
1.120
-
1.4173
36.000
190.30
17/64
.2656
6.747
1.253
1 7/16
1.4375
36.512
198.50
-
.2756
7.000
1.399
-
1.4960
38.000
223.80
9/32
.2812
7.144
1.487
1 1/2
1.5000
38.100
225.60
-
.2953
7.500
1.721
1 9/16
1.5625
39.687
255.00
19/64
.2969
7.541
1.749
-
1.5748
40.000
261.00
5/16
.3125
7.938
2.040
1 5/8
1.6250
41.275
286.80
-
.3150
8.000
2.088
1 11/16
1.6875
42.862
321.20
-
.3346
8.500
2.505
1 3/4
1.7500
44.450
358.20
1/32
.3437
8.731
2.715
-
1.7716
45.000
371.70
-
.3543
9.000
2.937
1 13/16
1.8125
46.037
398.00
23/64
.3594
9.128
3.102
1 7/8
1.8750
47.625
440.60
-
.3740
9.500
3.497
1 15/16
1.9375
49.212
486.10
3/8
.3750
9.525
3.525
-
1.9685
50.000
509.90
25/64
.3906
9.922
3.983
2
2.0000
50.800
534.70
-
.3937
10.000
4.079
2 1/8
2.1250
53.975
641.40
13/32
.4062
10.319
4.481
-
2.1653
55.000
678.60
-
.4331
11.000
5.429
2 1/4
2.2500
57.150
761.30
7/16
.4375
11.112
5.597
-
2.3622
60.000
881.00
-
.4528
11.500
6.203
2 3/8
2.3750
60.325
895.40
29/64
.4531
11.509
6.219
2 1/2
2.5000
63.500
1044.40
15/32
.4687
11.906
6.884
-
2.5590
65.000
1120.10
-
.4724
12.000
7.048
2 5/8
2.6250
66.675
1209.00
31/64
.4844
12.303
7.596
2 3/4
2.7500
69.850
1390.10
1/2
.5000
12.700
8.355
-
2.7559
70.000
1484.70
-
.5118
13.000
8.961
2 7/8
2.8750
73.025
1588.40
17/32
.5312
13.494
10.02
-
2.9528
75.000
1720.70
-
.5512
14.000
11.19
3
3.0000
76.200
1804.70
9/16
.5625
14.288
1.90
3 1/8
3.1250
79.375
2039.80
-
.5905
15.000
13.77
-
3.1500
80.000
2088.30
19/32
.5937
15.081
13.99
3 1/4
3.2500
82.550
2294.40
5/8
.6250
15.875
16.32
-
3.3464
85.000
2530.90
-
.6299
16.000
16.70
3 1/2
3.5000
88.900
2865.70
21/32
.6562
16.669
18.89
-
3.543
90.000
2993.40
-
.6693
17.000
20.04
-
3.7401
95.000
3521.10
1/16
.6875
17.462
21.72
3 3/4
3.7500
92.250
3524.70
-
.7087
18.000
23.79
-
3.9370
100.000
4078.80
23/32
.7187
18.256
24.82
4
4.0000
101.600
4277.70

 

 
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)
 
 



Products List
Deep Groove Ball Bearings
Special Bearings
Automobile Bearings
Needle Roller Bearings
Spherical Plain Bearings
Bearings Unit
Cylindrical Roller Bearings
Linear Bearing
Thrust Bearings
Self-Aligning Ball Bearings
Angular Contact Ball Bearing
Tapered Roller Bearings
C.V.Joints
Bearing Parts

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