PartsTable
Technical Data Sheet
Download PDF

1251528-1 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1251528-1: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN, overall_width: 0.1512 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN, style_designator: NON-LOADING GROOVE, NON-SEPARABLE, internal_clearance: 0.0004 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-348-4317, 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
1251528-1
NSN: 3110-00-348-4317
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
bore_diameter0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
overall_width0.1512 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0004 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter0.3747 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
standard_tolerance_designationABEC NO.3
lubrication_material_document_and_classificationDC33,FSCM 71984 MFR REF SINGLE MATERIAL RESPONSE
NSN3110-00-348-4317
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1251528-1 · 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
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL CLEARANCE: 0.0004 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 0.3747 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
INTERNAL CLEARANCE0.0004 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN
SHIELD QUANTITY2
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.1512 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.3747 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.3
BORE DIAMETER0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING OVERALL
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
No demilitarization required
Ready to buy 1251528-1?
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 1251528-1?
1251528-1 is a BEARING,BALL,ANNULAR.
What is the NSN for 1251528-1?
1251528-1 is cataloged in the U.S. Government catalog under NSN 3110-00-348-4317. 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 — 1251528-1

✓ 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.