Rev. 1-31-97
BEARING ASSEMBLIES
726-B-044
The Standard Specifications are revised as follows:
SECTION 726, BEGIN LINE 1, INSERT AS FOLLOWS:
SECTION 726 -- BEARING ASSEMBLIES
Payment will be made under:
Pay Item ----- - - - - ----------------------------------Pay Unit Symbol
Bearing Assembly, ______. . . . . . . . . . . . . . . . . . . . . . . . . . EACH
- - - - - - - - - -- -- - -type
SECTION 915, AFTER LINE 309, INSERT AS FOLLOWS:
915.06 Polytetrafluoroethylene Bearing Assemblies.
A copy of the manufacturer's design manual shall be submitted for
approval when directed.
REQUIREMENT | TEST METHOD | VALUE |
Hardness at 78ºF (25ºC) | ASTM D 5212 | 50-65 Durometer |
Tensile Strength, minimum | ASTM D 638 | 17.24 MPa (2,500 psi) |
Elongation, min. percent | ASTM D 638 | 200 |
Specific Gravity | ASTM D 792 | 2.1 to 2.3 |
SECTION 916, AFTER LINE 57, INSERT AS FOLLOWS: