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Technical Data Sheet

DR/03/W89981/05 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

DR/03/W89981/05: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BALL, bore_shape: STRAIGHT, flange_width: 0.0310 INCHES NOMINAL IN, bore_diameter: 0.1250 INCHES NOMINAL IN, overall_width: 0.1406 INCHES NOMINAL IN, load_direction: RADIAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-351-9879, 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
DR/03/W89981/05
NSN: 3110-01-351-9879
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: K1474 — PENNY & GILES AEROSPACE LIMITED (GBR)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BALL
bore_shapeSTRAIGHT
flange_width0.0310 INCHES NOMINAL IN
bore_diameter0.1250 INCHES NOMINAL IN
overall_width0.1406 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
flange_outside_diameter0.3590 INCHES NOMINAL IN
outer_ring_outside_diameter0.3125 INCHES NOMINAL IN
NSN3110-01-351-9879
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: DR/03/W89981/05 · 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
•
FLANGE OUTSIDE DIAMETER: 0.3590 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
FLANGE WIDTH: 0.0310 INCHES NOMINAL IN
•
OUTER RING OUTSIDE DIAMETER: 0.3125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER0.3590 INCHES NOMINAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.1406 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
FLANGE WIDTH0.0310 INCHES NOMINAL IN
OUTER RING OUTSIDE DIAMETER0.3125 INCHES NOMINAL IN
BORE DIAMETER0.1250 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING BALL
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 1
W89981/05Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DR/03/W89981/05?
DR/03/W89981/05 is a BEARING,BALL,ANNULAR.
What parts can replace DR/03/W89981/05?
There is 1 known substitute for DR/03/W89981/05: W89981/05. Substitute compatibility should be verified for your specific system.
What is the NSN for DR/03/W89981/05?
DR/03/W89981/05 is cataloged in the U.S. Government catalog under NSN 3110-01-351-9879. 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.