PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M202Bearing,ball,annular

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 3110-00-155-6710 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6710 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6710. Primary manufacturer part number: M202.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
  • Internal Fit-Up Designation: STANDARD
  • Material: STEEL OUTER RING
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL BALL
  • Material: STEEL INNER RING
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6710, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 20 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
NSN3110-00-155-6710
Primary Part NumberM202
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Bore ShapeSTRAIGHT
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OUTER RING
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL BALL
MaterialSTEEL INNER RING
Load DirectionRADIAL
Bore Diameter40.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter110.00 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-159-9071102668-623 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6145-00-508-47098770496 INTERCHANGEABLE
Cable,power,electrical
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
3110-00-554-3470 INTERCHANGEABLE
Bearing,ball,annular
3110-00-554-56351408 INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
5910-00-712-88598386442 INTERCHANGEABLE
Capacitor Feed-Thru Connector
U S Army Tank Automotive Command Amsta-Im-Mm
5905-01-073-4357 INTERCHANGEABLE
Resistor,fixed,film
6635-01-102-8042M202 INTERCHANGEABLE
Transducer,ultrasonic Flaw Detec
Panametrics Llc
5945-01-115-5171M-202 INTERCHANGEABLE
Solenoid,electrical
Cole Hersee Company
4320-01-129-5277M202 INTERCHANGEABLE
Pump,fluid Service
C & H Machine Inc Dba Support Equipment Inc.
6650-01-382-7842M202 INTERCHANGEABLE
Eyepiece,microscope
Gaertner Scientific Corporation
Cross-Reference Index
Part NumberManufacturer
M202 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
1408 General Motors Corp Delco Moraine Ndh Div (USA)
461949 PRIMARY Westinghouse Electric Corp (USA)
RB30A Reliance Electric (USA)
408 PRIMARY Fag Bearings Corporation (USA)
RB30A PRIMARY Reliance Electric Company Dba Reliance & Dodge Brands (USA)
40BL04 PRIMARY Anti-Friction Bearing Mfg Assn Inc the (USA)
408M PRIMARY Skf Usa Inc. (USA)
1408 General Motors Llc Dba General Motors Llc (USA)
A24501-81 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
6408MAX PRIMARY Naval Ship Systems Command (USA)
A24501-81 Pettibone Llc (USA)
1408 General Motors Corp (USA)
408M Equitable Bearing Co Inc (USA)
901408 PRIMARY General Motors Corp (USA)
042970 New Holland Construction (USA)
408 Walter Motor Truck Co (USA)
M408CE1TX9 PRIMARY Nsk Corp Bearing Div (USA)
0042970 PRIMARY New Holland Construction (USA)
408W 0mcc Inc (USA)
Related Parts
3110-00-159-9071INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-623
6145-00-508-4709INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
8770496
3110-00-554-3470INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-554-5635INTERCHANGEABLE
BEARING,BALL,ANNULAR
1408
5910-00-712-8859INTERCHANGEABLE
CAPACITOR FEED-THRU CONNECTOR
8386442
5905-01-073-4357INTERCHANGEABLE
RESISTOR,FIXED,FILM
6635-01-102-8042INTERCHANGEABLE
TRANSDUCER,ULTRASONIC FLAW DETEC
M202
5945-01-115-5171INTERCHANGEABLE
SOLENOID,ELECTRICAL
M-202
4320-01-129-5277INTERCHANGEABLE
PUMP,FLUID SERVICE
M202
6650-01-382-7842INTERCHANGEABLE
EYEPIECE,MICROSCOPE
M202
4240-01-439-5937INTERCHANGEABLE
BREATHING APPARATUS,SELF-CONTAIN
M-20.2
5963-01-544-3489INTERCHANGEABLE
PRINT SERVER MICROP
M212

Frequently Asked Questions

What is NSN 3110-00-155-6710?

NSN 3110-00-155-6710 is a Bearing,ball,annular, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-155-6710?

NSN 3110-00-155-6710 has 22 cross-referenced part numbers: M202 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 1408 (General Motors Corp Delco Moraine Ndh Div), 461949 (Westinghouse Electric Corp), RB30A (Reliance Electric), 408 (Fag Bearings Corporation) and 17 more.

What NSN replaces 3110-00-155-6710?

There are 12 known substitutes for 3110-00-155-6710: 3110-00-159-9071, 6145-00-508-4709, 3110-00-554-3470 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M202?

Key specifications for M202: Bore Shape: STRAIGHT; Surface Finish: GROUND; Internal Fit-Up Designation: STANDARD; 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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