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A02DS272-1 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

A02DS272-1: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_shape: STRAIGHT, bore_diameter: 5.1175 INCHES MINIMUM AND 5.1181 INCHES MAXIMUM IN, overall_width: 1.2942 INCHES MINIMUM AND 1.2992 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-919-9963, 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
A02DS272-1
NSN: 3110-00-919-9963
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter5.1175 INCHES MINIMUM AND 5.1181 INCHES MAXIMUM IN
overall_width1.2942 INCHES MINIMUM AND 1.2992 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_featuresSILVER PLATED RETAINER
style_designator4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
internal_clearance0.0088 INCHES NOMINAL RADIAL IN
overall_outside_diameter7.8728 INCHES MINIMUM AND 7.8740 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
NSN3110-00-919-9963
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A02DS272-1 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
INTERNAL CLEARANCE: 0.0088 INCHES NOMINAL RADIAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: 4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 7.8728 INCHES MINIMUM AND 7.8740 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL CLEARANCE0.0088 INCHES NOMINAL RADIAL IN
SURFACE FINISHGROUND
STYLE DESIGNATOR4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
OVERALL WIDTH1.2942 INCHES MINIMUM AND 1.2992 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER7.8728 INCHES MINIMUM AND 7.8740 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SPECIAL FEATURESSILVER PLATED RETAINER
BORE DIAMETER5.1175 INCHES MINIMUM AND 5.1181 INCHES MAXIMUM IN
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
9126UK46Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 A02DS272-1?
A02DS272-1 is a BEARING,BALL,ANNULAR.
What parts can replace A02DS272-1?
There is 1 known substitute for A02DS272-1: 9126UK46. Substitute compatibility should be verified for your specific system.
What is the NSN for A02DS272-1?
A02DS272-1 is cataloged in the U.S. Government catalog under NSN 3110-00-919-9963. 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.