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National Stock Number:
3120-01-551-8281
Federal Supply Class:
3120
National Item Identification Number:
015518281
Description:
BEARING,WASHER,THRUST
Detail:
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.
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Manufacturer Information:
| 228KD237P233 | 89619 | MACK TRUCKS, INC. | | 228KD237P233 | Z4117 | VOLVO GROUP GOVERNMENT SALES OCEANIA |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND W/ROUND KEYWAYS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | OUTSIDE DIAMETER | 3.2660 INCHES MINIMUM AND 3.2970 INCHES MAXIMUM | | OVERALL THICKNESS | 0.2330 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAEJ404 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | OIL LUBRICATING LUBRICATION | | MATERIAL | STEEL OVERALL | | MINOR DIAMETER | 2.2000 INCHES MINIMUM AND 2.2180 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND | | SPECIAL FEATURES | RUBBER STAMP MAC PART NUMBER ON BEARING; 13 SPLINES |
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