PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6203-2ZRBBearing,ball,annular

Skf Usa Inc. · NSN 3110-00-145-2249 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-145-2249 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-145-2249. Primary manufacturer part number: 6203-2ZRB.
Features
  • Bearing,ball,annular — FSC 3110
  • Lubrication Material Document and Classification: MIL-L-15719 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bore Shape: STRAIGHT
  • Load Direction: RADIAL
  • Shield Quantity: 2
  • Surface Finish: GROUND
  • Material: STEEL OVERALL
  • Standard Tolerance Designation: ABEC NO.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 3110-00-145-2249, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-145-2249
Primary Part Number6203-2ZRB
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
Lubrication Material Document and ClassificationMIL-L-15719 MIL SPEC SINGLE MATERIAL RESPONSE
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Shield Quantity2
Surface FinishGROUND
MaterialSTEEL OVERALL
Standard Tolerance DesignationABEC NO.1
Overall Outside Diameter40.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
Bore Diameter17.00 MILLIMETERS NOMINAL MM
Lubrication MaterialGREASE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3110-00-341-6621416821-52D INTERCHANGEABLE
Bearing,ball,annular
Reliance Electric Company Dba Reliance & Dodge Brands
3110-00-385-8851 INTERCHANGEABLE
Bearing
3110-00-438-019942093D98 INTERCHANGEABLE
Bearing,ball,annular
Triumph Gear Systems Inc Dba Triumph Gear Systems Inc
3110-00-555-5339 INTERCHANGEABLE
Bearing,ball,annular
3110-00-776-0643108135 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
4020-01-160-405511589022-1 INTERCHANGEABLE
Rope,fibrous
U S Army Tank Automotive Command Amsta-Im-Mm
5998-01-414-516077503 INTERCHANGEABLE
Circuit Card Assembly
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
17BC02JPP Anti-Friction Bearing Mfg Assn Inc the (USA)
203SFF Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies (USA)
203SF Skf Usa Inc. (USA)
A7848B17 Marathon Electric, Llc (USA)
203SFF Hsi Electric, Inc. (USA)
203SFF Reliance Electric Industrial Co Master Div (USA)
77503 General Motors Corp Delco Moraine Ndh Div (USA)
42093D98 Warner Robins Air Logistics Center (USA)
203SFF Skf Usa Inc. (USA)
6203-2ZRB PRIMARY Skf Usa Inc. (USA)
A7848B17 Marathon Electric Mfg Corp West Plains Div (USA)
203SFF Centaur Floor Machine Ltd (CAN)
6203-2ZRB Itw Food Equipment Group Llc Dba Hobart Service (USA)
Related Parts
3110-00-341-6621INTERCHANGEABLE
BEARING,BALL,ANNULAR
416821-52D
3110-00-385-8851INTERCHANGEABLE
BEARING
3110-00-438-0199INTERCHANGEABLE
BEARING,BALL,ANNULAR
42093D98
3110-00-555-5339INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-776-0643INTERCHANGEABLE
BEARING,BALL,ANNULAR
108135
4020-01-160-4055INTERCHANGEABLE
ROPE,FIBROUS
11589022-1
5998-01-414-5160INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
77503

Frequently Asked Questions

What is NSN 3110-00-145-2249?

NSN 3110-00-145-2249 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-145-2249?

NSN 3110-00-145-2249 has 13 cross-referenced part numbers: 17BC02JPP (Anti-Friction Bearing Mfg Assn Inc the), 203SFF (Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies), 203SF (Skf Usa Inc.), A7848B17 (Marathon Electric, Llc), 203SFF (Hsi Electric, Inc.) and 8 more.

What NSN replaces 3110-00-145-2249?

There are 7 known substitutes for 3110-00-145-2249: 3110-00-341-6621, 3110-00-385-8851, 3110-00-438-0199 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6203-2ZRB?

Key specifications for 6203-2ZRB: Lubrication Material Document and Classification: MIL-L-15719 MIL SPEC SINGLE MATERIAL RESPONSE; Bore Shape: STRAIGHT; Load Direction: RADIAL; Shield Quantity: 2. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-145-2249 still in active supply?

NSN 3110-00-145-2249 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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