NSN 3110-00-949-7986, 3110009497986
BEARING,ROLLER,CYLINDRICAL

Federal Supply Classification: FSC 3110 - Bearings, Antifriction, Unmounted
National Item Identification Number: NIIN 009497986
Codification Country: United States
Item Name Code: INC 00015
Criticality: (F) This item is a Flight Safety Critical Aircraft Part (FSCAP).
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 3110-00-949-7986

National Stock Number (NSN) 3110-00-949-7986, or NIIN 009497986, (bearing,roller,cylindrical) was assigned April 27, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 00015. [A NONADJUSTABLE ROLLER BEARING CONSISTING OF A SINGLE OR MULTIPLE-ROW OF HARDENED CYLINDRICAL ROLLERS AND A RETAINER USED WITH OR WITHOUT INNER OR OUTE R RINGS. EXCLUDES:BEARING,ROLLER,AIRFRAME.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3110009497986 contains silver.

This NSN is associated to Schedule B 8482500000: other cylindrical roller bearings. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332991: ball and roller bearing manufacturing.

This information was last updated on Jul 01, 2025.

Technical Characteristics

MATERIAL: (MATT) STEEL INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) 1-300-031,91547 MFR REF SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) 1-300-031,91547 MFR REF SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) 1-300-031,91547 MFR REF SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) 1-300-031,91547 MFR REF SINGLE MATERIAL RESPONSE ROLLER
MATERIAL: (MATT) COPPER ALLOY RETAINER
MATERIAL: (MATT) STEEL OUTER RING
STYLE DESIGNATOR: (STYL) 252F SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
MATERIAL: (MATT) STEEL ROLLER
BORE DIAMETER: (ABXV) 35.00 MILLIMETERS NOMINAL
BORE SHAPE: (AGZD) STRAIGHT
INTERNAL CLEARANCE: (AKVV) 0.0012 INCHES MINIMUM RADIAL AND 0.0017 INCHES MAXIMUM RADIAL
LOCATING FEATURE: (AGZF) ONE DIRECTION
OVERALL OUTSIDE DIAMETER: (ADGA) 80.00 MILLIMETERS NOMINAL
OVERALL WIDTH: (ABMK) 21.00 MILLIMETERS NOMINAL
PRECIOUS MATERIAL AND LOCATION: (PMLC) RETAINER SILVER
PRECIOUS MATERIAL: (PRMT) SILVER
RETAINER FABRICATION METHOD: (AGYF) MACHINED
SPECIAL FEATURES: (FEAT) INNER AND OUTER RING RACEWAYS TO BE STRAIGHT WITHIN 0.0001 IN. TIR,STABILIZED FOR OPERATION AT M65 DEG F TO P400 DEG F,ROCKWELL HARDNESS RATING OF ROLLERS,INNER AND OUTER RINGS 58.0 TO 61.0 C SCALE,RETAINER 55.0 TO 75.0 B SCALE,INNER AND OUTER RING RACEWAYS 6 UIN AA,ROLLERS 2 TO 5 UIN AA,INNER RING BORE SURFACE 20 UIN AA,OUTER RING OD SURFACE 15 UIN AA,OUTER RING LIPS AND RETAINER OD SURFACE 32 UIN AA,CAGE POCKETS 64 UIN AA
STANDARD TOLERANCE DESIGNATION: (CTFZ) RBEC NO.5
STYLE DESIGNATOR: (STYL) SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
SURFACE FINISH: (AGYE) GROUND
TEST DATA DOCUMENT: (TEST) E1004-91547 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). AND +6903-91547 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).