PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

109ABearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-155-6731 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6731 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6731. Primary manufacturer part number: 109A.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Overall Outside Diameter: 85.00 MILLIMETERS NOMINAL MM
  • Material: STEEL BALL
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OUTER RING
  • Material: STEEL INNER RING
  • Load Direction: RADIAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6731, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-155-6731
Primary Part Number109A
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Internal Fit-Up DesignationSTANDARD
Overall Outside Diameter85.00 MILLIMETERS NOMINAL MM
MaterialSTEEL BALL
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OUTER RING
MaterialSTEEL INNER RING
Load DirectionRADIAL
Surface FinishGROUND
Bore ShapeSTRAIGHT
Bore Diameter45.00 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-034-386821149 INTERCHANGEABLE
Gasket
Industrial Technologies and Services Llc
5985-00-240-8233SC-C-28052 INTERCHANGEABLE
Base,mast
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-293-9338 INTERCHANGEABLE
Bearing,ball,annular
6685-00-630-073635297 INTERCHANGEABLE
Thermocouple,contact
Williams International Co., L.l.c.
5935-00-926-0635 INTERCHANGEABLE
Connector,receptacle,electrical
2530-01-436-95761741AS148 INTERCHANGEABLE
Boot,vehicular Components
Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
109A PRIMARY Timken Co Div the Timken Company (USA)
Related Parts
5330-00-034-3868INTERCHANGEABLE
GASKET
21149
5985-00-240-8233INTERCHANGEABLE
BASE,MAST
SC-C-28052
3110-00-293-9338INTERCHANGEABLE
BEARING,BALL,ANNULAR
6685-00-630-0736INTERCHANGEABLE
THERMOCOUPLE,CONTACT
35297
5935-00-926-0635INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2530-01-436-9576INTERCHANGEABLE
BOOT,VEHICULAR COMPONENTS
1741AS148

Frequently Asked Questions

What is NSN 3110-00-155-6731?

NSN 3110-00-155-6731 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 3110-00-155-6731?

NSN 3110-00-155-6731 has 1 cross-referenced part number: 109A (Timken Co Div the Timken Company).

What NSN replaces 3110-00-155-6731?

There are 6 known substitutes for 3110-00-155-6731: 5330-00-034-3868, 5985-00-240-8233, 3110-00-293-9338 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 109A?

Key specifications for 109A: Internal Fit-Up Designation: STANDARD; Overall Outside Diameter: 85.00 MILLIMETERS NOMINAL MM; Material: STEEL BALL; Style Designator: LOADING GROOVE, NON-SEPARABLE. 12 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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