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85TVB 391 — BEARING,BALL,THRUST

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

85TVB 391: BEARING,BALL,THRUST.

The BEARING,BALL,THRUST is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, alignment_type: RIGID, overall_height: 2.2500 INCHES NOMINAL IN, surface_finish: GROUND, style_designator: GROOVED RACE SURFACE, bore_smallest_diameter: 8.5000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-117-9474, 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
85TVB 391
NSN: 3110-01-117-9474
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL INNER RING
alignment_typeRIGID
overall_height2.2500 INCHES NOMINAL IN
surface_finishGROUND
style_designatorGROOVED RACE SURFACE
bore_smallest_diameter8.5000 INCHES NOMINAL IN
overall_outside_diameter11.5000 INCHES NOMINAL IN
standard_tolerance_designationABEC NO.1
thrust_directional_capability_designationSINGLE
NSN3110-01-117-9474
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 85TVB 391 · 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
•
STYLE DESIGNATOR: GROOVED RACE SURFACE
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 11.5000 INCHES NOMINAL IN
•
BORE SMALLEST DIAMETER: 8.5000 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.2500 INCHES NOMINAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORGROOVED RACE SURFACE
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER11.5000 INCHES NOMINAL IN
BORE SMALLEST DIAMETER8.5000 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONABEC NO.1
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 85TVB 391?
85TVB 391 is a BEARING,BALL,THRUST.
What is the NSN for 85TVB 391?
85TVB 391 is cataloged in the U.S. Government catalog under NSN 3110-01-117-9474. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.