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National Stock Number:
3120-00-085-6450
Federal Supply Class:
3120
National Item Identification Number:
000856450
Description:
BEARING,PLAIN,SELF-ALIGNING
Detail:
A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes BEARING, PLAIN, ROD END and BEARING, PLAIN, SPHERICAL.
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Manufacturer Information:
| 1217-182 | 81495 | KOEHRING CRANES INC DBA TEREX CRANES DIV WAVERLY OPERATIONS | | 1217-240 | 81495 | KOEHRING CRANES INC DBA TEREX CRANES DIV WAVERLY OPERATIONS | | B28-9L | 51588 | RBC BEARINGS INCORPORATED | | SBB28 | 60380 | TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT |
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Techincal Specification:
| MATERIAL | STEEL COMP 1025 OVERALL | | STYLE DESIGNATOR | WITHOUT INSERT OR LINER | | HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND | | 63.0 ROCKWELL C MAXIMUM INNER MEMBER | | 60.0 ROCKWELL C MINIMUM AND | | 63.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER | | SURFACE TREATMENT | PHOSPHATE OVERALL | | BORE DIAMETER | 1.7495 INCHES MINIMUM AND | | 1.7500 INCHES MAXIMUM | | OUTER MEMBER OUTSIDE DIAMETER | 2.8119 INCHES MINIMUM AND | | 2.8125 INCHES MAXIMUM | | OUTER MEMBER WIDTH | 1.3070 INCHES MINIMUM AND | | 1.3120 INCHES MAXIMUM | | INNER MEMBER WIDTH | 1.5260 INCHES MINIMUM AND | | 1.5310 INCHES MAXIMUM | | LUBRICATION MATERIAL | LUBRICANT, MANUFACTURERS STANDARD | | LUBRICATION FEATURE | GROOVE INTERNAL SURFACES | | STATIC RADIAL LOAD RATING | 305000 POUNDS | | SPECIAL FEATURES | OUTER MEMBER FRACTURED IN TWO PLACES WITH SNAP RING,DRY FILM MOLYDENUM DISULFIDE ON ENTIRE BEARING,GUN MOUNTED DIAMETRICAL CLEARANCE 0.0030 IN. TO 0.0060 IN. T.I.R. |
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