PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

137987-02Bearing,ball,annular

Mpb Corp Div Timken Super Precision · NSN 3110-00-067-9990 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-067-9990 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-067-9990. Primary manufacturer part number: 137987-02.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 0.5000 INCHES NOMINAL IN
  • Material: STEEL COMP 440C INNER RING
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING
  • Material: STEEL CORROSION RESISTING RETAINER
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Lubrication Material: OIL
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-067-9990, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-067-9990
Primary Part Number137987-02
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corp Div Timken Super Precision
StatusCANCELLED
Overall Outside Diameter0.5000 INCHES NOMINAL IN
MaterialSTEEL COMP 440C INNER RING
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL CORROSION RESISTING RETAINER
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Lubrication MaterialOIL
Surface FinishGROUND
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL CORROSION RESISTING SHIELD
MaterialSTEEL COMP 440C BALL
Lubrication Material Document and ClassificationMIL-PRF-6085F MIL SPEC SINGLE MATERIAL RESPONSE
Load DirectionRADIAL
MaterialSTEEL COMP 440C OUTER RING
Shield Quantity2
Standard Tolerance DesignationABEC NO.5
Internal Clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Bore Diameter0.1875 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5360-00-246-990001750-0827 INTERCHANGEABLE
Spring,helical,extension
Asrc Federal Facilities Logistics, Llc
3020-00-256-346330434 INTERCHANGEABLE
Gear,worm
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
4820-00-289-08531226 INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
4530-00-472-6201F80PLP3GPH45 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
Monarch Mfg Works Inc
4820-00-640-5808 INTERCHANGEABLE
Disk,valve
1630-00-769-4710304-34 INTERCHANGEABLE
Parts Kit,wheel,ove
Goodrich Corporation
5999-01-024-20791010845 INTERCHANGEABLE
Delay Line
P C a Electronics Inc
3110-01-024-4898SR186SSWX12K5V-O32 INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
3431-01-206-6467 INTERCHANGEABLE
Nozzle,welding Torch
4310-01-280-905530434 INTERCHANGEABLE
Diaphragm,pump,special Shaped
W.w. Grainger, Inc. Div Government Sales Division
Cross-Reference Index
Part NumberManufacturer
137987-02 PRIMARY Mpb Corp Div Timken Super Precision (USA)
D505 Mpb Corp Div Timken Super Precision (USA)
30434 Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
137987-02 PRIMARY New Hampshire Ball Bearings Inc Div Precision Division (USA)
SR186SSWX12K5VL Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
465566-1 Raytheon Company Dba Raytheon (USA)
137987-02 PRIMARY Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
SR166PPDC14K58 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
158638-01 Ge Aviation Systems Llc (USA)
137987-02 Ge Aviation Systems Llc (USA)
137987-02 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
04052573037774 Autoflug Gmbh (DEU)
Related Parts
5360-00-246-9900INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
01750-0827
3020-00-256-3463INTERCHANGEABLE
GEAR,WORM
30434
4820-00-289-0853INTERCHANGEABLE
VALVE,SAFETY RELIEF
1226
4530-00-472-6201INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
F80PLP3GPH45
4820-00-640-5808INTERCHANGEABLE
DISK,VALVE
1630-00-769-4710INTERCHANGEABLE
PARTS KIT,WHEEL,OVE
304-34
5999-01-024-2079INTERCHANGEABLE
DELAY LINE
1010845
3110-01-024-4898INTERCHANGEABLE
BEARING,BALL,ANNULAR
SR186SSWX12K5V-O32
3431-01-206-6467INTERCHANGEABLE
NOZZLE,WELDING TORCH
4310-01-280-9055INTERCHANGEABLE
DIAPHRAGM,PUMP,SPECIAL SHAPED
30434
7490-01-559-5385INTERCHANGEABLE
SHREDDING MACHINE,PAPER
5999-01-591-4319INTERCHANGEABLE
PANEL,RADIO FREQUENCY-ELECTROMAG
562R081H03

Frequently Asked Questions

What is NSN 3110-00-067-9990?

NSN 3110-00-067-9990 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-067-9990?

NSN 3110-00-067-9990 has 12 cross-referenced part numbers: 137987-02 (Mpb Corp Div Timken Super Precision), D505 (Mpb Corp Div Timken Super Precision), 30434 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems), 137987-02 (New Hampshire Ball Bearings Inc Div Precision Division), SR186SSWX12K5VL (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation) and 7 more.

What NSN replaces 3110-00-067-9990?

There are 12 known substitutes for 3110-00-067-9990: 5360-00-246-9900, 3020-00-256-3463, 4820-00-289-0853 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 137987-02?

Key specifications for 137987-02: Overall Outside Diameter: 0.5000 INCHES NOMINAL IN; Special Features: STARTING TORQUE 4400 WAX GM MM AT 400 GM THRUST LOAD AND RADIAL TORQUE 300 MAX MG MM ALSO RACE CURVATURE 52.0 TO 58.0PCT; Material: STEEL COMP 440C INNER RING; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-067-9990 still in active supply?

NSN 3110-00-067-9990 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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