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Industrial (Precision Ground) Rubber Balls
AS-568 and JIS(P&J) O-Rings
Cap-clip-plug for cartridge
Commercial (Molded) Rubber Balls

 

--- Anti-Blinding Balls / Screen Cleaning Balls

  • Abrasion resistant for longer wear life
  • Resistant to Oil, Moisture, and Chemical to avoid caking and build up
  • Various choices of rebound resilience and hardness to optimize cleaning performance without damaging screens
  • FDA-approved materials available
  • Perfect for Sifting/Grading process and other Screen Cleaning / anti-blinding applications

--- Molded & Unground.   Extremely competitive in cost.  Suitable for low cost applications with loose tolerance requirement. 

 
Standard Sizes:
  • From 0.093” to 4.921” , available sizes listed in the table below.
  • RMA class A3 tolerances. Please refer the table below.
  • Material: NBR
  • Hardness: 70 duro
  • Color: Black
 
Standard Commercial Rubber Balls are generally in stock. If not, we can make them for you within 72 hours.
 
Custom Sizes, Material (NBR, Silicone, Viton, EPDM,....), Hardness (50~90 duro), and Color available.    Food Grade Materials upon your request.
 
 
Diameter of Standard Commercial Rubber Balls:
Inch
Inch (decimal)
mm
3/32
0.093
2.36
1/8
0.125
3.18
 
0.140
3.56
5/32
0.156
3.96
3/16
0.188
4.78
7/32
0.218
5.54
1/4
0.250
6.35
 
0.275
7.00
9/32
0.281
7.14
5/16
0.313
7.95
3/8
0.375
9.53
 
0.394
10.00
7/16
0.437
11.13
1/2
0.500
12.70
 
0.563
14.29
5/8
0.625
15.88
Inch
Inch (decimal)
mm
 
0.687
17.46
3/4
0.750
19.05
 
0.787
19.99
7/8
0.875
22.23
1
1.000
25.40
1 1/8
1.125
28.58
1 1/4
1.250
31.75
1 3/8
1.375
34.94
 
1.378
35.00
1 1/2
1.500
38.10
1 5/8
1.625
41.28
1 3/4
1.750
44.45
2
2.000
50.80
 
2.362
60.00
2 1/2
2.500
63.50
 
4.921
125.00

 

RMA Class A3 Inch Tolerance for Commercial Rubber Balls:

Size
(inch)
Fixed +/–
 (inch)
Closure +/– 
(Inch)
0.00 - 0.40
.008 
.013
0.40 - 0.63
.010 
.016
0.63 - 1.00
.013
.020
1.00 - 1.60
.016 
.025
1.60 - 2.50
.020 
.032
2.50 - 4.00
.025 
.040
4.00 - 6.30
.032 
.050

RMA Class A3 Metric Tolerance for Commercial Rubber Balls:

Size
(mm)
Fixed +/– 
(mm)
Closure +/– 
(mm)
0 – 10
.20 
0.32
10 – 16
.25 
0.40
16 – 25
.32
0.50
25 – 40
.40 
0.63
40 – 63
.50 
0.80
63 – 100
.63 
1.00
100 - 160
.80 
1.25

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