PartsTable
Technical Data Sheet
PartsTable / COMPONENT / IRR-1-1/2-3
IRR-1-1/2-3 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The IRR-1-1/2-3 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-827-2776, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
IRR-1-1/2-3
NSN: 3110-00-827-2776
FSC: 3110
CAGE: 07484 — ACCURATE BUSHING COMPANY, INC. (USA)
SPECIFICATIONS
Part NumberIRR-1-1/2-3
NSN3110-00-827-2776
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: IRR-1-1/2-3 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL OUTSIDE DIAMETER: 1.7495 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
STYLE DESIGNATOR: SOLID INNER RACE, JOURNAL AND NEEDLE
•
SURFACE FINISH: GROUND
•
BORE DIAMETER: 1.4995 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER1.7495 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
STYLE DESIGNATORSOLID INNER RACE, JOURNAL AND NEEDLE
OVERALL WIDTH1.0050 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
SURFACE FINISHGROUND
BORE DIAMETER1.4995 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
17790Interchangeable
interchangeable cross-reference
interchangeable
10466Interchangeable
interchangeable cross-reference
interchangeable
8398204Interchangeable
interchangeable cross-reference
interchangeable
3502-22-00Interchangeable
interchangeable cross-reference
interchangeable
7208861P001Interchangeable
interchangeable cross-reference
interchangeable
9413168Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is IRR-1-1/2-3?
IRR-1-1/2-3 is a IRR-1-1/2-3.
What parts can replace IRR-1-1/2-3?
There are 15 known substitutes for IRR-1-1/2-3: 17790, 10466, 8398204 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for IRR-1-1/2-3?
IRR-1-1/2-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-827-2776. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026