Product Details | SELF-ALIGNING PLAIN BEARING

3120-01-083-3269 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.

Part Alternates: 3120-01-083-3269, 01-083-3269, 3120010833269, 010833269

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01-083-3269

Drawings & Photos | NSN 3120-01-083-3269


Cross Reference | NSN 3120-01-083-3269

Part Number Cage Code Manufacturer
SB5301-105 15860 NEW HAMPSHIRE BALL BEARINGS, INC. DBA ASTRO DIVISION
SB5301-105 78286 SIKORSKY AIRCRAFT CORPORATION
SB5301-105 97613 DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING
WBS20-5Y A2252 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
WBS20-5Y-A2252 3NPS1 RBC AIRCRAFT PRODUCTS, INC.

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Technical Data | NSN 3120-01-083-3269

Characteristic Specifications
MATERIAL STEEL INNER MEMBER STEEL OUTER RACE MEMBER PLASTIC TETRAFLUOROETHYLENE RACE LINER
MATERIAL DOCUMENT AND CLASSIFICATION AMS5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER AMS5630 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER SB5301-103 78286 MFR REF SINGLE MATERIAL RESPONSE RACE LINER
HARDNESS RATING 55.0 ROCKWELL C MINIMUM AND 228.0 ROCKWELL C MINIMUM AND 236.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR 10A WITH INSERT AND/OR LINER WITH STAKING GROOVE
BORE DIAMETER 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 1.8745 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.7350 INCHES MINIMUM AND 0.7450 INCHES MAXIMUM
INNER MEMBER WIDTH 1.4980 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM
STATIC RADIAL LOAD RATING 68000 POUNDS
SPECIAL FEATURES INTERNAL CLEARANCE 0.0010 IN. TO 0.0030 IN.
TEST DATA DOCUMENT 81349-MIL-B-81819 SPECIFICATION
MANUFACTURERS CODE 78286
MFR SOURCE CONTROLLING REFERENCE SB5301-103

Restrictions/Controls & Freight Information | NSN 3120-01-083-3269

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information