ABMA 13415:1997(R2008) pdf free
ABMA 13415:1997(R2008) pdf free.Aerospace Airframe needle track roller, stud type,Single-row, sealed一Inch series
For the purposes of this International Standard, the symbols given in ISO 1132 apply. The symbols (except those for tolerances) shown in the figures and the values given in the tables denote nominal dimensions unless specified otherwise.
Bearings made of conventional rolling bearing steel shall have the extermal surfaces of the outer ring chromium plated, and all other external surfaces cadmium or zinc-nickel plated.
Where cadmium plating is specified (code letters D and M), it shall be in accordance with ISO 2082. The thickness of the plating shall not be less than 7 μm and not more than 15 μm. The bearing shall be embrittlement-relieved within 4 h of plating by heat treatment at 140 °C土10 °C for a minimum of 8 h followed by chromate treatment in accordance with ISO 4520 (code letter D only).
Where chromium plating is specified (code letters D, M and Z), it shall be in accordance with ISO 6158. The thick-ness of the plating shall be not less than 10 um, 8 μm on faces and ring chamfers, and not more than 25 um.
Where zinc-nickel plating is specified (code letter 7), it shall be in accordance with AMS 2417E, type 2. The thickness of the plating shall not be less than 7 um and not more than 15 um.
Lubrication ftting/cotter pin hole and slot in threaded end of stud Bearings may be supplied with a suitable lubrication ftting (see annex B) in the flanged or the threaded end of the stud.
They may also be supplied with a cotter pin hole. Bearings may be supplied with a slot in the threaded end of the stud to receive a tang in the bore of a mounting washer. These features are specified through a designation code in the part number as noted below.ABMA 13415 pdf free download.
