PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8721Bearing,roller,tapered

Eaton Corporation Dba Airflex Div Div Airflex · NSN 3110-00-151-9560 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-151-9560 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-151-9560. Primary manufacturer part number: 8721.
Features
  • Bearing,roller,tapered — FSC 3110
  • Cup Outside Diameter: 14.0000 INCHES NOMINAL IN
  • Bore Diameter: 6.9800 INCHES NOMINAL IN
  • Cone Corner Radius: 0.2500 INCHES NOMINAL IN
  • 8 verified cross-references
  • Primary manufacturer: Eaton Corporation Dba Airflex Div Div Airflex
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-151-9560, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Eaton Corporation Dba Airflex Div Div Airflex. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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
ParameterValue
NSN3110-00-151-9560
Primary Part Number8721
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerEaton Corporation Dba Airflex Div Div Airflex
StatusACTIVE
Cup Outside Diameter14.0000 INCHES NOMINAL IN
Bore Diameter6.9800 INCHES NOMINAL IN
Cone Corner Radius0.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-238-6473 INTERCHANGEABLE
Valve,safety Relief
5935-00-259-44158721 INTERCHANGEABLE
Connector,receptacle,electrical
Western Union Telegraph Co Sub of Western Union Corp
4730-00-326-2443 INTERCHANGEABLE
Restrictor Unit,fluid Flow
5360-00-446-8827D15-792JPC607 INTERCHANGEABLE
Spring,helical,compression
Northrop Grumman Systems Corporation Div Marine Systems
5305-00-738-07168721 INTERCHANGEABLE
Screw,shoulder
Circor Aerospace, Inc. Div Circor
5975-00-925-9314 INTERCHANGEABLE
Box Connector,electrical
5895-01-101-62988721 INTERCHANGEABLE
Divider,power,radio Frequency
Marc Alan Group the, Inc
5360-01-111-791175-LM INTERCHANGEABLE
Spring,helical,compression
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5930-01-114-70598721 INTERCHANGEABLE
Switch,rotary
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5120-01-128-30567907108-00 INTERCHANGEABLE
Alignment Tool,electronic Equipm
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
8721 PRIMARY Eaton Corporation Dba Airflex Div Div Airflex (USA)
C21008 PRIMARY The Timken Corporation (USA)
EE607071-607140WITHSPACERSY2S60 PRIMARY The Timken Corporation (USA)
HC9798SPCN768 American Standard Inc (USA)
N20955PC2 General Motors Llc Dba General Motors Llc (USA)
3308207 General Motors Llc Dba General Motors Llc (USA)
3308207 General Motors Corp (USA)
N20955PC2 General Motors Corp (USA)
Related Parts
4820-00-238-6473INTERCHANGEABLE
VALVE,SAFETY RELIEF
5935-00-259-4415INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
8721
4730-00-326-2443INTERCHANGEABLE
RESTRICTOR UNIT,FLUID FLOW
5360-00-446-8827INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
D15-792JPC607
5305-00-738-0716INTERCHANGEABLE
SCREW,SHOULDER
8721
5975-00-925-9314INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5895-01-101-6298INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
8721
5360-01-111-7911INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
75-LM
5930-01-114-7059INTERCHANGEABLE
SWITCH,ROTARY
8721
5120-01-128-3056INTERCHANGEABLE
ALIGNMENT TOOL,ELECTRONIC EQUIPM
7907108-00
4820-01-131-5917INTERCHANGEABLE
VALVE,SAFETY RELIEF
E8721KM51M
2920-01-137-0445INTERCHANGEABLE
CAP,OUTER
C2100-8

Frequently Asked Questions

What is NSN 3110-00-151-9560?

NSN 3110-00-151-9560 is a Bearing,roller,tapered, manufactured by Eaton Corporation Dba Airflex Div Div Airflex, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-151-9560?

NSN 3110-00-151-9560 has 8 cross-referenced part numbers: 8721 (Eaton Corporation Dba Airflex Div Div Airflex), C21008 (The Timken Corporation), EE607071-607140WITHSPACERSY2S60 (The Timken Corporation), HC9798SPCN768 (American Standard Inc), N20955PC2 (General Motors Llc Dba General Motors Llc) and 3 more.

What NSN replaces 3110-00-151-9560?

There are 12 known substitutes for 3110-00-151-9560: 4820-00-238-6473, 5935-00-259-4415, 4730-00-326-2443 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8721?

Key specifications for 8721: Cup Outside Diameter: 14.0000 INCHES NOMINAL IN; Bore Diameter: 6.9800 INCHES NOMINAL IN; Special Features: SI NO. 2 STANDARD TOLERANCE; Cone Corner Radius: 0.2500 INCHES NOMINAL IN. 4 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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