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A02RS290-1 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

A02RS290-1: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND, inner_ring_width: 0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-201-9462, 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
A02RS290-1
NSN: 3110-01-201-9462
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 3NPS1 — RBC AIRCRAFT PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
inner_ring_width0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
outer_ring_width0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
NSN3110-01-201-9462
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A02RS290-1 · 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
•
OUTER RING WIDTH: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: ANGULAR
•
BORE DIAMETER: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONANGULAR
BORE DIAMETER0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
INNER RING WIDTH0.8700 INCHES MINIMUM AND 0.8750 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 3
DW4K-A1387Reference document
Same NSN cross-reference
Reference document — Secondary reference
ITB-18539Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
DW4K-001MReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 A02RS290-1?
A02RS290-1 is a BEARING,BALL,ANNULAR.
What parts can replace A02RS290-1?
There are 3 known substitutes for A02RS290-1: DW4K-A1387, ITB-18539, DW4K-001M. Substitute compatibility should be verified for your specific system.
What is the NSN for A02RS290-1?
A02RS290-1 is cataloged in the U.S. Government catalog under NSN 3110-01-201-9462. 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.