Carbon
Balls
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Carbon
steel balls provide substantial savings for applications where
conditions do not require a through-hardened ball. They add
superior performance and dependability to products which utilize
inexpensive anti-friction bearings. Typical applications
include: casters, conveyors, roller skates, bicycles, overhead
trolleys, drawer slides, garage doors, door locks and many
others.
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Balls
per Pound
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Size
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Balls
per Pound
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Inches
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Millimeters
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1/16
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1.587
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27,500
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3/32
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2.381
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8,160
|
|
1/8
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3.175
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3,440
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5/32
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3.968
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1,760
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3/16
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4.762
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1,020
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7/32
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5.556
|
642
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1/4
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6.350
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430
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9/32
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7.143
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302
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5/16
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7.937
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220
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11/32
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8.731
|
166
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3/8
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9.525
|
128
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13/32
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10.318
|
100
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7/16
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11.112
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80.3
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15/32
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11.906
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65.3
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1/2
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12.700
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53.8
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17/32
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13.493
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44.8
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9/16
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14.287
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37.5
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5/8
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15.875
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27.5
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11/16
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17.462
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20.7
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3/4
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19.050
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15.9
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13/16
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20.637
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12.5
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7/8
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22.225
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10.0
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1
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25.400
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6.72
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1
1/8
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28.575
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4.72
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1
1/4
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31.750
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3.44
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1
3/8
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34.925
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2.59
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1
1/2
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38.100
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2.00
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1
5/8
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39.687
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1.57
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1
3/4
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44.450
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1.25
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1
7/8
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47.625
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1.02
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2
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50.800
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.841
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Material
Analysis:
Carbon
balls are made from the following special chemical analysis:
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Material
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CDA
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Federal
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Military
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ASTM
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UNS
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AMS
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Military
and
Gov't Stds.
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Carbon
Steel
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C
1010
C 1020
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QQ-W-461
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MIL-S
11310
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A-29
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G-10100
G-10200
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-
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-
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Chemical
Analysis:
Carbon.....................................................................0.10%
to 0.20%
Manganese..............................................................0.60%
to 0.90%
Silicon.......................................................................0.10%
to 0.20%
Sulphur.....................................................................0.50%
maximum
Phosphorus.............................................................0.040%
maximum
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Mechanical
Properties:
Hardness
for carbon steel balls, as measured on the balls surface is
Rockwell “C” 60 (minimum) and subject to correction factors.
See chart for minimum case depth. Case depth reported is
the effective case measured to the HRC 50 position (ref. ABMA
Std. 10-38). Minimum thickness considerations apply to
case depth.
Tensile
Strength............................................................53,000psi
Yield
Strength................................................................44,000psi
Elongation in two
inches..............................................26%
Reduction in
area..........................................................50%
Modulus of
elasticity.....................................................28
x 106
psi
Density...........................................................................0.284
lbs/cu. in.
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© Copyright 2005 Hoover
Precision Products, Inc., All Rights Reserved |
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