PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

205KT2Bearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-156-4242 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-4242 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-4242. Primary manufacturer part number: 205KT2.
Features
  • Bearing,ball,annular — FSC 3110
  • Standard Tolerance Designation: ABEC NO.1
  • Lubrication Material: GREASE
  • Outer Ring Width: 0.6100 INCHES NOMINAL IN
  • Bearing Seal Type: CONTACT
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
  • Seal Quantity: 1
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-4242, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 10 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
NSN3110-00-156-4242
Primary Part Number205KT2
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Standard Tolerance DesignationABEC NO.1
Lubrication MaterialGREASE
Outer Ring Width0.6100 INCHES NOMINAL IN
Bearing Seal TypeCONTACT
Bore ShapeSTRAIGHT
Surface FinishGROUND
Seal Quantity1
Inner Ring Width0.6000 INCHES NOMINAL IN
Load DirectionRADIAL
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Internal Fit-Up DesignationSTANDARD
Nondefinitive Spec/std Data1 CLASS AND 00 GRADE AND 118 TYPE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Overall Outside Diameter52.00 MILLIMETERS NOMINAL MM
Bore Diameter25.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5136-00-197-95655136-00-197-9565 INTERCHANGEABLE
Die,rethreading
General Services Administration Federal Supply Service
5331-00-349-0755 INTERCHANGEABLE
O-Ring
5930-00-548-4221A-2322 INTERCHANGEABLE
Switch,rotary
Dyna-Empire Inc
6625-00-553-7691TS-897/U INTERCHANGEABLE
Test Set,electrical Power
Joint Electronics Type Designation System
2815-00-554-22139H1213 INTERCHANGEABLE
Ring Set,piston
Caterpillar Inc Div Caterpillar Defense
5330-00-609-88607274 INTERCHANGEABLE
Gasket
Cummins Inc.
6625-00-691-65377274 INTERCHANGEABLE
Plate,bottom
Cec Vibration Products, Llc Dba Cec Vibrations Products
6515-00-758-60737274 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
5950-00-891-9548580R156H01 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5910-01-017-4314 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Cross-Reference Index
Part NumberManufacturer
FF-B-171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
205KT2 PRIMARY Timken Co Div the Timken Company (USA)
11338A Hercules Engine Co Inc (USA)
11338A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
B20504-30 Honeywell International, Inc Div Aerospace-Tucson (USA)
SF8505 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
B20504-39 Honeywell International, Inc Div Aerospace-Tucson (USA)
FL25 Skf Usa Inc. (USA)
B20504-39 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
M89541 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
205FS PRIMARY Skf Usa Inc. (USA)
20504-39 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
20504-30 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
7274 Van Norman Machine Co Inc Sub of Winvan Inc (USA)
B20504-30 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
465421 PRIMARY Skf Usa Inc. (USA)
465456 PRIMARY Skf Usa Inc. (USA)
20504-39 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
7025X5 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
FL25J Skf Usa Inc. (USA)
Related Parts
5136-00-197-9565INTERCHANGEABLE
DIE,RETHREADING
5136-00-197-9565
5331-00-349-0755INTERCHANGEABLE
O-RING
5930-00-548-4221INTERCHANGEABLE
SWITCH,ROTARY
A-2322
6625-00-553-7691INTERCHANGEABLE
TEST SET,ELECTRICAL POWER
TS-897/U
2815-00-554-2213INTERCHANGEABLE
RING SET,PISTON
9H1213
5330-00-609-8860INTERCHANGEABLE
GASKET
7274
6625-00-691-6537INTERCHANGEABLE
PLATE,BOTTOM
7274
6515-00-758-6073INTERCHANGEABLE
BAG,OSTOMY
7274
5950-00-891-9548INTERCHANGEABLE
TRANSFORMER,POWER
580R156H01
5910-01-017-4314INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
6625-01-110-4175INTERCHANGEABLE
SHIELD
5360-01-178-1730INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 3110-00-156-4242?

NSN 3110-00-156-4242 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-4242?

NSN 3110-00-156-4242 has 21 cross-referenced part numbers: FF-B-171 (Federal Specifications Promulgated by General Services Administration Washington DC), 205KT2 (Timken Co Div the Timken Company), 11338A (Hercules Engine Co Inc), 11338A (Brinkley Technology Group Llc Dba Hercules Manufacturing), B20504-30 (Honeywell International, Inc Div Aerospace-Tucson) and 16 more.

What NSN replaces 3110-00-156-4242?

There are 12 known substitutes for 3110-00-156-4242: 5136-00-197-9565, 5331-00-349-0755, 5930-00-548-4221 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 205KT2?

Key specifications for 205KT2: Standard Tolerance Designation: ABEC NO.1; Lubrication Material: GREASE; Outer Ring Width: 0.6100 INCHES NOMINAL IN; Bearing Seal Type: CONTACT. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com