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Steel Balls >> Materials Contrast

 

  The main production are carbon and high carbon steel balls,high carbon chrome alloy
steel balls.stainless steel balls (420,440, 302,304,316)and burnishing materials.

   Except steel balls, KIC also can provide Ceramic Balls,POM Balls.Cutomer may
contact KIC for detailed information.

 
1. Material Contrast
Country
Standards
Bearing
Carbon Steel
StainlessSteels
China YB GCr15 10 15 45 85 1Cr18Ni9 0Cr19Ni 9 0Cr17Ni12Mo2 3Cr13 9Cr18
U.S.A AISI E52100 1010 1015 1045 1084 302 304 316 420 440C
Japan JIS SUJ2 S9CK S15CK S45C SUP3 SUS302 SUS304 SUS316 SUS420J2 SUS440C
WestGermany DIN 100Cr6 CK10 CK15 CK45   X12CrNi188 X5CrNi189 X5CrNiMn18 X30Cr13  
1.3505   . . . 1.4300 1.4301 10(1.4401) 1.4028  
EastGermany TGL 100Cr6 C10 C15 C45   X12CrNiTi   . . .
The United Kingdom BS S135 045M10 090M15 080M46 060A86 302 S 25 304 S 15 316 S 16 420 S 45  
534A99 060M47  
France NF 100C6 XC10 XC12-18 XC42,XC45   Z10CN18.09 Z6CN18.09 Z6CND17.12 Z30C14 Z100CD17
Italy UNI UNI100C6 C10 C15   . X15CN1808   . X32C13  
Sweden SIS   1370 1350 1650 1650 2331   . 2304  
Czechoslovakia CSN 14100 12021 12023 12050 12050 17241   . 17023 17042
U.S.S.R FOCT IIIX15 10 15 45 85 12X18H9 08X18H10 08X17H13M2T 3X13 95X18
2. Tolerance Grade
Ggrade
ball diameter
variation
deviation from
spherical form
surface roughness
lot diameter
variation
nominal ball
deviation
tolerance
Vdws
△Sph
Ra
Vdwl
Tdn
not  over
um
10 0.25 0.25 0.025 0.5 *
16 0.4 0.40 0.032 0.8 *
20 0.5 0.50 0.04 1 *
28 0.7 0.70 0.05 1.4 *
40 1.0 1.00 0.08 2 *
60 1.5 1.50 0.10 3 *
100 2.5 2.50 0.125 5 ?/font>

3. Size & Weight
Diameter
Per 1000
pcs
No.of balls per
kg
mm     in
Kg
about
0.5000 0.00051 1960780
0.6800 0.00128 781250
0.8000 0.00209 478470
1.0000 0.00408 245100
1.2000 0.00705 141840
1.3000 0.00893 111980
1.4500 0.0124 80645
1.588   1/16 0.0160 62350
1.7500 0.0218 45871
2.0000 0.0326 30700
2.3812  3/32 0.0550 18182
2.5000 0.0637 15698
3.0000 0.1100 9091
3.175    1/8 0.1310 7634
3.5000 0.1750 5717
3.9690      5/32 0.2550 3922
4.0000 0.2610 3831
4.7625  3/16 0.4410 2268
5.0000 0.5100 1961
5.1594 13/64 0.5600 1786
5.5562  7/32 0.6990 1431
5.9531 15/64 0.8600 1163
6.0000 0.8810 1136
6.35     1/4 1.0400 962
6.5000 1.1190 894
6.7469 17/64 1.2500 800
7.1438  7/32 1.4900 671
7.9375  5/16 2.0400 490
Diameter
Per 1000
pcs
No.of balls per
kg
mm     in
Kg
about
8.0000 2.09 478
8.5000 2.50 400
8.731   11/32 2.71 369
9.0000 2.97 337
9.525     3/8 3.52 284
10.0000 4.08 245
10.3188 13/32 4.48 223
11.0000 5.42 185
11.1125  7/16 5.60 179
11.5000 6.22 161
11.5094 29/64 6.22 161
11.9062 15/32 6.88 145
12.0000 7.04 142
12.3031 31/64 7.60 132
12.7      1/2 8.35 120
13.4938 17/32 10.00 100
14.0000 11.18 89
14.2875  9/16 11.90 84
15.0812 19/32 14.00 71.40
15.875    5/8 16.30 61.30
16.0000 1 6.69 59.90
16.6688 21/32 18.90 52.90
17.0000 20.02 50.00
17.4625 11/16 21.70 46.10
18.2562 23/32 24.80 40.30
19.0000 27.96 35.77
19.05     3/4 28.20 35.50
19.9438 25/32 31.90 31.40
Diameter
Per 1000
pcs
No.of balls per
kg
mm     in
Kg
about
20.637    13/16 35.80 27.90
21.0000 37.75 26.49
21.4313   27/32 40.10 24.90
22.225      7/8 44.80 22.30
23.0000 49.59 20.17
23.0188   29/32 49.80 20.10
23.8125   15/16 55.10 18.20
24.0000 56.34 17.75
24.6063  31 /32 60.80 16.50
25.0000 63.68 15.70
25.4        1" 66.80 15.00
26.1938   11/32 73.30 13.64
26.9875   11/16 80.20 12.47
27.7812   13/32 87.40 11.40
28.0000 89.47 11.18
28.575    1 1/8 95.20 10.50
30.1625  1 3/16 112.00 8.93
31.75     1 1/4 130.60 7.66
33.3375  1 5/16 151.10 6.62
34.925    1 3/8 173.80 5.75
36.5125  1 7/16 198.60 5.04
38.1      1 1/2 225.60 4.43
40.0000 261.10 3.83
41.275    1 5/8 286.80 3.49
42.8625 1 11/46 321.20 3.11
44.45     1 3/4 358.20 2.79
47.625    1 7/8 440.60 2.27
50.8        2" 534.70 1.87



Contact Information
China Head Offfice:
NO.19-9,HUAHONG INTL.CENTER,717 ZHONGXING ROAD,NINGBO,China.
Tel: 086-574-87770611, 87770622, 87770633
Fax: 086-574-87770600
EMAIL: sales@kicbearing.com
http://www.kicbearing.com

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