PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7326Bearing,ball,annular

Equitable Bearing Co Inc · NSN 3110-00-156-8280 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-8280 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-8280. Primary manufacturer part number: 7326.
Features
  • Bearing,ball,annular — FSC 3110
  • Contact Angle: 25.0 DEGREES MINIMUM
  • Overall Outside Diameter: 280.00 MILLIMETERS NOMINAL MM
  • Material: STEEL INNER RING
  • Material: STEEL BALL
  • Material: STEEL OUTER RING
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-8280, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Equitable Bearing Co Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 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
NSN3110-00-156-8280
Primary Part Number7326
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerEquitable Bearing Co Inc
StatusACTIVE
Contact Angle25.0 DEGREES MINIMUM
Overall Outside Diameter280.00 MILLIMETERS NOMINAL MM
MaterialSTEEL INNER RING
MaterialSTEEL BALL
MaterialSTEEL OUTER RING
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
Surface FinishGROUND
Load DirectionANGULAR
Standard Tolerance DesignationABEC NO.1
Bore Diameter130.00 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6105-00-015-28527326 INTERCHANGEABLE
Motor Assy,signal G
Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
3110-00-101-3042 INTERCHANGEABLE
Bearing,ball,annular
3110-00-109-1428 INTERCHANGEABLE
Bearing,ball,duplex
3110-00-156-6747 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7526 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7534 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-7620 INTERCHANGEABLE
Bearing,ball,annular
3110-00-186-9378 INTERCHANGEABLE
Bearing,ball,annular
3455-00-194-052310230 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5365-00-232-46197326 INTERCHANGEABLE
Spacer,lens to Film
Bosch Security Systems, Llc
Cross-Reference Index
Part NumberManufacturer
7326 Equitable Bearing Co Inc (USA)
S1297280 Westinghouse Electric Corp (USA)
AA59630-226JABTU Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
7326 Trw Inc Bearings Div Plainville Plant (USA)
7326 Timken Aerospace, Inc Dba Torrington Product (USA)
7326B Naval Ship Systems Command (USA)
7326WNMBR Timken Co Div the Timken Company (USA)
130BB03 Timken Aerospace, Inc Dba Torrington Product (USA)
7326 Skf Usa Inc. (USA)
A-A-59630 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
7326 Skf Usa Inc. (USA)
7326QB7 Skf Usa Inc. (USA)
S1297280 Westinghouse Electric Corp Power Generation-Generator Div (USA)
7326 Timken Co Div the Timken Company (USA)
Related Parts
6105-00-015-2852INTERCHANGEABLE
MOTOR ASSY,SIGNAL G
7326
3110-00-101-3042INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-109-1428INTERCHANGEABLE
BEARING,BALL,DUPLEX
3110-00-156-6747INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7526INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7534INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-7620INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-186-9378INTERCHANGEABLE
BEARING,BALL,ANNULAR
3455-00-194-0523INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10230
5365-00-232-4619INTERCHANGEABLE
SPACER,LENS TO FILM
7326
5935-00-560-7207INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
3110-00-767-0527INTERCHANGEABLE
BEARING,BALL,DUPLEX

Frequently Asked Questions

What is NSN 3110-00-156-8280?

NSN 3110-00-156-8280 is a Bearing,ball,annular, manufactured by Equitable Bearing Co Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-8280?

NSN 3110-00-156-8280 has 14 cross-referenced part numbers: 7326 (Equitable Bearing Co Inc), S1297280 (Westinghouse Electric Corp), AA59630-226JABTU (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 7326 (Trw Inc Bearings Div Plainville Plant), 7326 (Timken Aerospace, Inc Dba Torrington Product) and 9 more.

What NSN replaces 3110-00-156-8280?

There are 12 known substitutes for 3110-00-156-8280: 6105-00-015-2852, 3110-00-101-3042, 3110-00-109-1428 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7326?

Key specifications for 7326: Contact Angle: 25.0 DEGREES MINIMUM; Overall Outside Diameter: 280.00 MILLIMETERS NOMINAL MM; Material: STEEL INNER RING; Material: STEEL BALL. 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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