RMA Irregular and Cored Cross-sectional Tolerances
Tolerances On Cross-Sectional Dimensions Of Irregular And Cored Shapes Of Extruded, Expanded, Closed-Cellular Rubber. Class 1 Tolerances In The Table Below Are Recommended Only For High Volume, Tight Products Automotive Applications.
Metric Tolerances
|
RMA Class
|
1
|
2
|
3
|
|
Drawing Designation
Dimensions in Millimeters0.0 to 6.3 6.3 to 12.5 12.5 to 25 25 to 40 40 & over multiply by |
High Precision
“BEC1” Tolerance +/-0.40 +/-0.63 +/-1.25 +/-2.0 +/-0.06 |
Precision
“BEC2” Tolerance +/-0.50 +/-1.0 +/-2.0 +/-3.2 +/-0.08 |
Commercial
“BEC3” Tolerance +/-0.63 +/-1.25 +/-2.50 +/-4.0 +/-0.10 |
English Tolerances
|
RMA Class
|
1
|
2
|
3
|
|
Drawing Designation
Dimensions in Inches0.0 to 0.25 0.25 to 0.50 0.50 to 1.00 1.00 to 1.60 1.6 & over multiply by |
High Precision
“BEC1” Tolerance +/-0.016 +/-0.025 +/-0.050 +/-0.080 +/-0.06 |
Precision
“BEC2” Tolerance +/-0.02 +/-0.04 +/-0.08 +/-0.125 +/-0.08 |
Commercial
“BEC3” Tolerance +/-0.025 +/-0.050 +/-0.100 +/-0.160 +/-0.10 |