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11666911 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

11666911: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 3.7542 INCHES MINIMUM AND 3.7554 INCHES MAXIMUM IN, overall_width: 1.0176 INCHES MINIMUM AND 1.0236 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: TWO DIRECTION. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-080-9045, 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
11666911
NSN: 3110-01-080-9045
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 05527 — GWILLIAM COMPANY, INC. DIV BALL & ROLLER BEARING DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter3.7542 INCHES MINIMUM AND 3.7554 INCHES MAXIMUM IN
overall_width1.0176 INCHES MINIMUM AND 1.0236 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureTWO DIRECTION
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE
end_item_identification2350-01-087-1095
overall_outside_diameter5.5110 INCHES MINIMUM AND 5.5118 INCHES MAXIMUM IN
NSN3110-01-080-9045
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 11666911 · 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
•
LOCATING FEATURE: TWO DIRECTION
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 5.5110 INCHES MINIMUM AND 5.5118 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 3.7542 INCHES MINIMUM AND 3.7554 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LOCATING FEATURETWO DIRECTION
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE
OVERALL WIDTH1.0176 INCHES MINIMUM AND 1.0236 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER5.5110 INCHES MINIMUM AND 5.5118 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
END ITEM IDENTIFICATION2350-01-087-1095
BORE DIAMETER3.7542 INCHES MINIMUM AND 3.7554 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 5
1216WBReference document
Same NSN cross-reference
Reference document — Secondary reference
11669511Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7450027Reference document
Same NSN cross-reference
Reference document — Secondary reference
M1216EXReference document
Same NSN cross-reference
Reference document — Secondary reference
1216UReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 11666911?
11666911 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 11666911?
There are 5 known substitutes for 11666911: 1216WB, 11669511, 7450027 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11666911?
11666911 is cataloged in the U.S. Government catalog under NSN 3110-01-080-9045. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.