PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202SBearing,ball,annular

Skf Usa Inc. · NSN 3110-00-400-4407 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-400-4407 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-400-4407. Primary manufacturer part number: 202S.
Features
  • Bearing,ball,annular — FSC 3110
  • Retainer Fabrication Method: PRESSED
  • Load Direction: RADIAL
  • Material: STEEL COMP E52100 OUTER RING
  • Material: STEEL COMP E52100 INNER RING
  • Material: STEEL COMP E52100 BALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL RETAINER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Outer Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-400-4407, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-400-4407
Primary Part Number202S
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Retainer Fabrication MethodPRESSED
Load DirectionRADIAL
MaterialSTEEL COMP E52100 OUTER RING
MaterialSTEEL COMP E52100 INNER RING
MaterialSTEEL COMP E52100 BALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL RETAINER
Bore ShapeSTRAIGHT
Overall Outside Diameter1.3775 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
Bore Diameter0.5903 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN
Surface FinishGROUND
Internal Fit-Up DesignationTIGHT
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5120-00-017-2849 INTERCHANGEABLE
Riveter,blind,hand
3110-00-144-8498059-9 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
3110-00-554-33261202-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
4920-00-571-3908 INTERCHANGEABLE
Heater,aircraft Engine Maintenan
5930-00-755-5961202S INTERCHANGEABLE
Switch,push
Switchcraft Inc.
5905-00-916-3598117S 202OHMS INTERCHANGEABLE
Resistor,variable,wire Wound,non
Techno Components Corp Dba Techno Components
3110-01-140-4337 INTERCHANGEABLE
Bearing,ball,annular
3110-01-201-3743202SD-U INTERCHANGEABLE
Bearing,ball,duplex
Skf Usa Inc.
5895-01-215-2079202S INTERCHANGEABLE
Detector,radio Frequency
Krytar, Inc. Dba Krytar Inc Div Krytar
5930-01-414-9853 INTERCHANGEABLE
Switch,rotary
Cross-Reference Index
Part NumberManufacturer
250595 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
202K Timken Co Div the Timken Company (USA)
202S PRIMARY Skf Usa Inc. (USA)
202KC4 PRIMARY Timken Co Div the Timken Company (USA)
Related Parts
5120-00-017-2849INTERCHANGEABLE
RIVETER,BLIND,HAND
3110-00-144-8498INTERCHANGEABLE
BEARING,BALL,ANNULAR
059-9
3110-00-554-3326INTERCHANGEABLE
BEARING,BALL,ANNULAR
1202-1B1
4920-00-571-3908INTERCHANGEABLE
HEATER,AIRCRAFT ENGINE MAINTENAN
5930-00-755-5961INTERCHANGEABLE
SWITCH,PUSH
202S
5905-00-916-3598INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
117S 202OHMS
3110-01-140-4337INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-201-3743INTERCHANGEABLE
BEARING,BALL,DUPLEX
202SD-U
5895-01-215-2079INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
202S
5930-01-414-9853INTERCHANGEABLE
SWITCH,ROTARY

Frequently Asked Questions

What is NSN 3110-00-400-4407?

NSN 3110-00-400-4407 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-400-4407?

NSN 3110-00-400-4407 has 4 cross-referenced part numbers: 250595 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 202K (Timken Co Div the Timken Company), 202S (Skf Usa Inc.), 202KC4 (Timken Co Div the Timken Company).

What NSN replaces 3110-00-400-4407?

There are 10 known substitutes for 3110-00-400-4407: 5120-00-017-2849, 3110-00-144-8498, 3110-00-554-3326 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 202S?

Key specifications for 202S: Retainer Fabrication Method: PRESSED; Overall Width: 0.4281 INCHES MINIMUM AND 0.4331 INCHES MAXIMUM IN; Load Direction: RADIAL; Material: STEEL COMP E52100 OUTER RING. 14 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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