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Technical Data Sheet
PartsTable / COMPONENT / SR1166/2
SR1166/2 ✓ 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 SR1166/2 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 3110-00-155-7345, 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
SR1166/2
NSN: 3110-00-155-7345
FSC: 3110
CAGE: K5070 — DEVONPORT ROYAL DOCKYARD LIMITED, DEVONPORT ROYAL DOCKYARD (GBR)
SPECIFICATIONS
Part NumberSR1166/2
NSN3110-00-155-7345
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SR1166/2 · 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
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 80.00 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
•
MATERIAL: STEEL ROLLER
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LOCATING FEATURE: NONLOCATING
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER80.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
MATERIALSTEEL ROLLER
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOCATING FEATURENONLOCATING
BORE SHAPESTANDARD TAPER
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
N305Interchangeable
interchangeable cross-reference
interchangeable
BU1305ZInterchangeable
interchangeable cross-reference
interchangeable
6001Interchangeable
interchangeable cross-reference
interchangeable
R330Interchangeable
interchangeable cross-reference
interchangeable
A-A-55602Interchangeable
interchangeable cross-reference
interchangeable
R135Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SR1166/2?
SR1166/2 is a SR1166/2.
What parts can replace SR1166/2?
There are 32 known substitutes for SR1166/2: N305, BU1305Z, 6001 and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SR1166/2?
SR1166/2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7345. 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