PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204KRR2Bearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-275-0240 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-275-0240 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-275-0240. Primary manufacturer part number: 204KRR2.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 1.8510 INCHES NOMINAL IN
  • Inner Ring Width: 0.8200 INCHES NOMINAL IN
  • Internal Fit-Up Designation: STANDARD
  • Retainer Fabrication Method: PRESSED
  • Surface Finish: GROUND
  • Standard Tolerance Designation: ABEC NO.1
  • Seal Quantity: 2
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 3110-00-275-0240, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-275-0240
Primary Part Number204KRR2
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Overall Outside Diameter1.8510 INCHES NOMINAL IN
Inner Ring Width0.8200 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.1
Seal Quantity2
Outer Ring Width0.5510 INCHES NOMINAL IN
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Bearing Seal TypeLABYRINTH
Lubrication MaterialGREASE
Bore ShapeSTRAIGHT
Load DirectionRADIAL
MaterialSTEEL OUTER RING
MaterialSTEEL RETAINER
MaterialSTEEL INNER RING
MaterialWOOL SEAL
MaterialSTEEL BALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore Diameter0.6950 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3950-01-219-4399302484 INTERCHANGEABLE
Clamp,winch Assembly
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
3110-01-561-5104J116365 INTERCHANGEABLE
Bearing,ball,annular
Jered Llc
Cross-Reference Index
Part NumberManufacturer
302484 Garwood/feller Inc Garwood Winch Div (USA)
88120A General Motors Corp Delco Moraine Ndh Div (USA)
204KRR2 PRIMARY Timken Co Div the Timken Company (USA)
88120A General Motors Corp (USA)
16A6124 Napco International Llc Dba Napco International Inc (USA)
88120C General Motors Corp Delco Moraine Ndh Div (USA)
Related Parts
3950-01-219-4399INTERCHANGEABLE
CLAMP,WINCH ASSEMBLY
302484
3110-01-561-5104INTERCHANGEABLE
BEARING,BALL,ANNULAR
J116365

Frequently Asked Questions

What is NSN 3110-00-275-0240?

NSN 3110-00-275-0240 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 3110-00-275-0240?

NSN 3110-00-275-0240 has 6 cross-referenced part numbers: 302484 (Garwood/feller Inc Garwood Winch Div), 88120A (General Motors Corp Delco Moraine Ndh Div), 204KRR2 (Timken Co Div the Timken Company), 88120A (General Motors Corp), 16A6124 (Napco International Llc Dba Napco International Inc) and 1 more.

What NSN replaces 3110-00-275-0240?

There are 2 known substitutes for 3110-00-275-0240: 3950-01-219-4399, 3110-01-561-5104. Verify interchangeability with system specifications before substitution.

What are the specifications of 204KRR2?

Key specifications for 204KRR2: Overall Outside Diameter: 1.8510 INCHES NOMINAL IN; Inner Ring Width: 0.8200 INCHES NOMINAL IN; Internal Fit-Up Designation: STANDARD; Retainer Fabrication Method: PRESSED. 21 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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