PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

I72305Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-155-6840 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6840 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6840. Primary manufacturer part number: I72305.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OUTER RING
  • Material: STEEL BALL
  • Material: STEEL INNER RING
  • Outer Ring Width: 17.00 MILLIMETERS NOMINAL MM
  • Bore Diameter: 25.00 MILLIMETERS NOMINAL MM
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 3110-00-155-6840, 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 12 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-155-6840
Primary Part NumberI72305
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
Bore ShapeSTRAIGHT
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OUTER RING
MaterialSTEEL BALL
MaterialSTEEL INNER RING
Outer Ring Width17.00 MILLIMETERS NOMINAL MM
Bore Diameter25.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter62.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
Inner Ring Width1.0000 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.1
Load DirectionRADIAL
Surface FinishGROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5895-00-034-5679305W INTERCHANGEABLE
Joint
Spectrum Microwave, Inc.
5905-00-107-08879097-051-330 INTERCHANGEABLE
Resistor,fixed,wire Wound
Woodward, Inc.
6695-00-160-12204605 INTERCHANGEABLE
Indicator Assembly
Magtrol Inc. Dba Magtrol Inc
6145-00-160-6187 INTERCHANGEABLE
Cable,power,electrical
3110-00-555-53381305M INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
3020-00-711-5687460-5 INTERCHANGEABLE
Gear,internal
Alliant Defense Electronics Systems Inc Dba Lundy Technical Center
5962-01-054-8018HA1-4602-8 INTERCHANGEABLE
Microcircuit,linear
Renesas Electronics America Inc
3130-01-223-4406 INTERCHANGEABLE
Cap,pillow Block
6515-01-377-54324605 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
6520-01-555-9555 INTERCHANGEABLE
Bracket,water Bottle,portable De
Cross-Reference Index
Part NumberManufacturer
WIR305K Timken Co Div the Timken Company (USA)
I72305 PRIMARY Skf Usa Inc. (USA)
4605 General Motors Corp Delco Moraine Ndh Div (USA)
1297113 Westinghouse Electric Corp Power Generation-Generator Div (USA)
1297113 Westinghouse Electric Corp (USA)
4605X1A General Motors Corp (USA)
305W PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
305WIR PRIMARY Fag Bearings Corporation (USA)
6305WIRCE1TX9 PRIMARY Nsk Corp Bearing Div (USA)
4605 General Motors Corp (USA)
4605X1A General Motors Corp Delco Moraine Ndh Div (USA)
305SWI PRIMARY Skf Usa Inc. (USA)
Related Parts
5895-00-034-5679INTERCHANGEABLE
JOINT
305W
5905-00-107-0887INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
9097-051-330
6695-00-160-1220INTERCHANGEABLE
INDICATOR ASSEMBLY
4605
6145-00-160-6187INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
3110-00-555-5338INTERCHANGEABLE
BEARING,BALL,ANNULAR
1305M
3020-00-711-5687INTERCHANGEABLE
GEAR,INTERNAL
460-5
5962-01-054-8018INTERCHANGEABLE
MICROCIRCUIT,LINEAR
HA1-4602-8
3130-01-223-4406INTERCHANGEABLE
CAP,PILLOW BLOCK
6515-01-377-5432INTERCHANGEABLE
BAG,OSTOMY
4605
6520-01-555-9555INTERCHANGEABLE
BRACKET,WATER BOTTLE,PORTABLE DE
3940-01-591-5345INTERCHANGEABLE
SLING,MULTIPLE LEG
4605
6850-01-618-1533INTERCHANGEABLE
WATER PURIFICATION TABLET,IODINE
305W

Frequently Asked Questions

What is NSN 3110-00-155-6840?

NSN 3110-00-155-6840 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 3110-00-155-6840?

NSN 3110-00-155-6840 has 12 cross-referenced part numbers: WIR305K (Timken Co Div the Timken Company), I72305 (Skf Usa Inc.), 4605 (General Motors Corp Delco Moraine Ndh Div), 1297113 (Westinghouse Electric Corp Power Generation-Generator Div), 1297113 (Westinghouse Electric Corp) and 7 more.

What NSN replaces 3110-00-155-6840?

There are 12 known substitutes for 3110-00-155-6840: 5895-00-034-5679, 5905-00-107-0887, 6695-00-160-1220 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of I72305?

Key specifications for I72305: Bore Shape: STRAIGHT; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Material: STEEL OUTER RING; Material: STEEL BALL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-155-6840 still in active supply?

NSN 3110-00-155-6840 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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