PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5318WBRBearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-156-7979 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-7979 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-7979. Primary manufacturer part number: 5318WBR.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT
  • Standard Tolerance Designation: ABEC NO.1
  • Standard Tolerance Designation: ABEC NO.1
  • Internal Fit-Up Designation: STANDARD
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
  • Nondefinitive Spec/std Data: 146 TYPE AND 00 GRADE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-7979, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-7979
Primary Part Number5318WBR
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Internal Fit-Up DesignationSTANDARD
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Standard Tolerance DesignationABEC NO.1
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up DesignationSTANDARD
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Nondefinitive Spec/std Data146 TYPE AND 00 GRADE
Surface FinishGROUND
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Retainer Fabrication MethodPRESSED
Nondefinitive Spec/std Data146 TYPE AND 00 GRADE
Overall Outside Diameter190.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
MaterialSTEEL OVERALL
Bore Diameter90.00 MILLIMETERS NOMINAL MM
Load DirectionANGULAR
Load DirectionANGULAR
Bore ShapeSTRAIGHT
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-5379177009-37 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-156-5445 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-5446 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-5458 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7928 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7967 INTERCHANGEABLE
Bearing,ball,annular
3110-00-198-29445306MF INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
4030-00-243-0373J7418 INTERCHANGEABLE
Rod,anchor
Joslyn Corp
5945-00-404-23855318 INTERCHANGEABLE
Solenoid,electrical
Daco Instrument Co Div of Alinabal Inc
3110-00-787-6523 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
5318W Timken Co Div the Timken Company (USA)
5318 General Motors Corp (USA)
5318M1TX9 Nsk Corp Bearing Div (USA)
5318M3 Skf Usa Inc. (USA)
5318 Fag Bearings Corporation (USA)
5318 Equitable Bearing Co Inc (USA)
3110001567979 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
5318WBR PRIMARY Timken Co Div the Timken Company (USA)
5318 Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FF-B-171/37 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5318 Mcgill Manufacturing Co, Inc (USA)
5318W Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
NW18 Skf Usa Inc. (USA)
5318 Skf Usa Inc. (USA)
AA59640-918JAB Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
5318 Department of the Navy (USA)
5318 General Motors Corp Delco Moraine Ndh Div (USA)
905318 General Motors Corp (USA)
Related Parts
3110-00-156-5379INTERCHANGEABLE
BEARING,BALL,ANNULAR
177009-37
3110-00-156-5445INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-5446INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-5458INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7928INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7967INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-198-2944INTERCHANGEABLE
BEARING,BALL,ANNULAR
5306MF
4030-00-243-0373INTERCHANGEABLE
ROD,ANCHOR
J7418
5945-00-404-2385INTERCHANGEABLE
SOLENOID,ELECTRICAL
5318
3110-00-787-6523INTERCHANGEABLE
BEARING,BALL,ANNULAR
6145-01-163-8368INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5106/C
2530-01-164-2528INTERCHANGEABLE
ROTOR,DISC BRAKE
4037875

Frequently Asked Questions

What is NSN 3110-00-156-7979?

NSN 3110-00-156-7979 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-7979?

NSN 3110-00-156-7979 has 19 cross-referenced part numbers: 5318W (Timken Co Div the Timken Company), 5318 (General Motors Corp), 5318M1TX9 (Nsk Corp Bearing Div), 5318M3 (Skf Usa Inc.), 5318 (Fag Bearings Corporation) and 14 more.

What NSN replaces 3110-00-156-7979?

There are 12 known substitutes for 3110-00-156-7979: 3110-00-156-5379, 3110-00-156-5445, 3110-00-156-5446 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5318WBR?

Key specifications for 5318WBR: Internal Fit-Up Designation: STANDARD; Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT; Standard Tolerance Designation: ABEC NO.1; Standard Tolerance Designation: ABEC NO.1. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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