Changzhou Orient Steel Ball Co.,Ltd
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7.1438mm/0.28125inch bearing steel ball

7.1438mm/0.28125inch Bearing Steel Ball

Min. Order:
1 Piece
Payment term:
FOB SHANGHAI
Delivery time:
according to the quantity
Technical Parameters:
Product Designations:
7.1438mm/0.28125inch
Structure:
bearing steel ball
Weight:
0.00149 KG
Brand:
orient steel ball
Precision Rating:
G10
Bearing Material:
high carbon chrome bearing steel
Seals Type:
steel ball
7.1438mm/0.28125inch Bearing Steel Ball

 Description

Model Number: 7.1438mm/0.28125inch
Standard: ISO9001:2008
Application: bearings, nail polishing, grinding ,etc..
Quantity: more than 350ton/month

Chrome steel balls are normally used in precision ball bearings and many industrial applications.
The balls made of this kind of material feature excellent surface finish, considerable hardness and a high load carrying capacity, as well as excellent wear and deformation resistance.
Chrome steel balls are through hardened in order to achieve the maximum mechanical strength.
Chrome steel balls are used in bearings, valves, for milling and polishing application etc.


The size of the standard steel balls we can produce is as follows:

Size Weight(g) Quantity(pcs/kg)
mm  inch
4.7625 3/16 0.441 2268
5 - 0.51 1961
5.1594 13/64 0.56 1786
5.5562 7/32 0.699 1431
5.9531 15/64 0.86 1163
6 - 0.881 1136
6.35  1/4 1.04 962
6.5 - 1.119 894
6.7469 17/64 1.25 800
7.1438 9/32 1.49 671
7.9372 5/16 2.04 490
8 - 2.09 478
8.5 - 2.5 400
8.7312 11/32 2.71 369
9 - 2.97 337
9.525 3/8 3.52 284
10 - 4.08 245
10.3188 13/32 4.48 223
11 - 5.42 185
11.1125 7/16 5.6 179
11.5 - 6.22 161
11.5094 29/64 6.22 161
11.9062 15/32 6.88 145
12 - 7.04 142
12.3031 31/64 7.6 132
12.7 1/2 8.35 120
13.4938 17/32 10 100
14 - 11.18 89
14.2875 9/16 11.9 84
15.0812 19/32 14 71.4
15.875 5/8 16.3 61.3
16 - 16.69 59.9
16.6688 21/32 18.9 52.9
17 - 20.02 50
17.4625 11/16 21.7 46.1
18.2562 23/32 24.8 40.3
19 - 27.96 35.77
19.05  3/4 28.2 35.5
19.8438 25/32 31.9 31.4
21 - 37.75 26.49
21.4313 27/32 40.1 24.9
22.225 7/8 44.8 22.3
23 - 49.95 20.17
23.0188 29/32 49.8 20.1
23.8125 15/16 55.1 18.2
24 - 56.34 17.75
 24.6063   31/32 60.8 16.5
25 - 63.68 15.7
25.4 1 66.89 15
 


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