PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

7-328Bearing,ball,annular

Name: 7-328
SKU: 3110-00-156-8283

Timken Aerospace, Inc Dba Torrington Product · NSN 3110-00-156-8283 · FSC 3110 · No Item Name Available

Verified by PartsTable

NSN 3110-00-156-8283 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-8283. Primary manufacturer part number: 7-328.

3110-00-156-8283 — No Item Name Available illustration

Features

Bearing,ball,annular — FSC 3110
Bore Diameter: 140.00 MILLIMETERS NOMINAL MM
Material: STEEL INNER RING
Material: STEEL BALL
Material: STEEL OUTER RING
Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
Overall Outside Diameter: 300.00 MILLIMETERS NOMINAL MM
Load Direction: ANGULAR

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 3110-00-156-8283, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 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

Parameter	Value
NSN	3110-00-156-8283
Primary Part Number	7-328
Item Name	Bearing,ball,annular
FSC / FSG	3110 / 31 — No Item Name Available
Manufacturer	Timken Aerospace, Inc Dba Torrington Product
Status	ACTIVE
Bore Diameter	140.00 MILLIMETERS NOMINAL MM
Material	STEEL INNER RING
Material	STEEL BALL
Material	STEEL OUTER RING
Style Designator	COUNTERBORED OUTER RING, NON-SEPARABLE
Overall Outside Diameter	300.00 MILLIMETERS NOMINAL MM
Load Direction	ANGULAR
Surface Finish	GROUND
Bore Shape	STRAIGHT
Standard Tolerance Designation	ABEC NO.1
Contact Angle	25.0 DEGREES MINIMUM

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 12

4920-00-015-28607328 INTERCHANGEABLE

Carriage Assy,signa

Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto

5930-00-021-779513028 INTERCHANGEABLE

Switch,code Indicating Wheel

Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch

6240-00-409-8301101476-001 INTERCHANGEABLE

Lamp,incandescent

Printronix, Llc

5935-00-643-99767328 INTERCHANGEABLE

Connector,receptacle,electrical

Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division

5995-00-935-8614426-0001-090 INTERCHANGEABLE

Cable Assembly,radio Frequency

Itt Cannon Rf Products

3040-00-936-5854 INTERCHANGEABLE

Shaft,shouldered

4220-00-977-1571 INTERCHANGEABLE

Snorkel,swimmer

5935-00-982-03917328-78 INTERCHANGEABLE

Connector,plug,electrical

Abb Installation Products Inc

4730-01-039-25984666875 INTERCHANGEABLE

Sleeve,compression,tube-Hose Fit

Naval Sea Systems Command

9330-01-045-32847328 36"X48" L INTERCHANGEABLE

Plastic Sheet

Rohm and Haas Delaware Valley Inc

Cross-Reference Index

Part Number	Manufacturer
7-328	Timken Aerospace, Inc Dba Torrington Product (USA)
7328WNMBR	Timken Co Div the Timken Company (USA)
7328	Skf Usa Inc. (USA)
7328	Equitable Bearing Co Inc (USA)
7328	Department of the Navy (USA)
7328	Timken Aerospace, Inc Dba Torrington Product (USA)
7328	Skf Usa Inc. (USA)
140BB03	Timken Aerospace, Inc Dba Torrington Product (USA)
7328W	Timken Co Div the Timken Company (USA)

Related Parts

4920-00-015-2860INTERCHANGEABLE

CARRIAGE ASSY,SIGNA

7328

5930-00-021-7795INTERCHANGEABLE

SWITCH,CODE INDICATING WHEEL

13028

6240-00-409-8301INTERCHANGEABLE

LAMP,INCANDESCENT

101476-001

5935-00-643-9976INTERCHANGEABLE

CONNECTOR,RECEPTACLE,ELECTRICAL

7328

5995-00-935-8614INTERCHANGEABLE

CABLE ASSEMBLY,RADIO FREQUENCY

426-0001-090

3040-00-936-5854INTERCHANGEABLE

SHAFT,SHOULDERED

4220-00-977-1571INTERCHANGEABLE

SNORKEL,SWIMMER

5935-00-982-0391INTERCHANGEABLE

CONNECTOR,PLUG,ELECTRICAL

7328-78

4730-01-039-2598INTERCHANGEABLE

SLEEVE,COMPRESSION,TUBE-HOSE FIT

4666875

9330-01-045-3284INTERCHANGEABLE

PLASTIC SHEET

7328 36"X48" L

6515-01-124-5332INTERCHANGEABLE

TUBE,DRAINAGE,OSTOMY BAG

7328

5130-01-400-0071INTERCHANGEABLE

SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 3110-00-156-8283?

NSN 3110-00-156-8283 is a Bearing,ball,annular, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-8283?

NSN 3110-00-156-8283 has 9 cross-referenced part numbers: 7-328 (Timken Aerospace, Inc Dba Torrington Product), 7328WNMBR (Timken Co Div the Timken Company), 7328 (Skf Usa Inc.), 7328 (Equitable Bearing Co Inc), 7328 (Department of the Navy) and 4 more.

What NSN replaces 3110-00-156-8283?

There are 12 known substitutes for 3110-00-156-8283: 4920-00-015-2860, 5930-00-021-7795, 6240-00-409-8301 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7-328?

Key specifications for 7-328: Bore Diameter: 140.00 MILLIMETERS NOMINAL MM; Material: STEEL INNER RING; Material: STEEL BALL; Material: STEEL OUTER RING. 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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