PartsTable
Technical Data Sheet
Download PDF

A538T5 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

A538T5: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BALL, bore_diameter: 0.6247 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.2802 INCHES MINIMUM AND 0.2812 INCHES MAXIMUM IN, outer_ring_width: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, special_features: STABILIZED FOR OPERATION AT MIN 65 TO PLUS 250 DEG F,0.0005 TO 0.0008 IN. RADIAL CLEARANCE IN.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-453-9539, 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
A538T5
NSN: 3110-00-453-9539
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: K1499 — HQW AEROSPACE (UK) LIMITED (GBR)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BALL
bore_diameter0.6247 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
load_directionRADIAL
inner_ring_width0.2802 INCHES MINIMUM AND 0.2812 INCHES MAXIMUM IN
outer_ring_width0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
special_featuresSTABILIZED FOR OPERATION AT MIN 65 TO PLUS 250 DEG F,0.0005 TO 0.0008 IN. RADIAL CLEARANCE IN
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
overall_outside_diameter1.0621 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN
NSN3110-00-453-9539
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A538T5 · 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: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
•
OVERALL OUTSIDE DIAMETER: 1.0621 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 0.6247 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OUTER RING
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
STYLE DESIGNATORSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
OVERALL OUTSIDE DIAMETER1.0621 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SPECIAL FEATURESSTABILIZED FOR OPERATION AT MIN 65 TO PLUS 250 DEG F,0.0005 TO 0.0008 IN. RADIAL CLEARANCE IN
BORE DIAMETER0.6247 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING OUTER RING
MATERIALSTEEL CORROSION RESISTING INNER RING
MATERIALSTEEL CORROSION RESISTING BALL
MATERIALPLASTIC RETAINER
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 2
714892-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SM70048-038Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy A538T5?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is A538T5?
A538T5 is a BEARING,BALL,AIRFRAME.
What parts can replace A538T5?
There are 2 known substitutes for A538T5: 714892-1, SM70048-038. Substitute compatibility should be verified for your specific system.
What is the NSN for A538T5?
A538T5 is cataloged in the U.S. Government catalog under NSN 3110-00-453-9539. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — A538T5

✓ 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.