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531551-1 — RETAINER,BALL,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

531551-1: RETAINER,BALL,BEARING.

The RETAINER,BALL,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OVERALL, bore_diameter: 1.1550 INCHES MINIMUM AND 1.1650 INCHES MAXIMUM IN, outside_diameter: 1.6350 INCHES MINIMUM AND 1.6450 INCHES MAXIMUM IN, style_designator: RETAINER AND BALLS, rolling_element_diameter: 0.4400 INCHES MINIMUM AND 0.4750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-079-2918, 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
531551-1
NSN: 3110-00-079-2918
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
materialSTEEL COMP E4340 OVERALL
bore_diameter1.1550 INCHES MINIMUM AND 1.1650 INCHES MAXIMUM IN
outside_diameter1.6350 INCHES MINIMUM AND 1.6450 INCHES MAXIMUM IN
style_designatorRETAINER AND BALLS
retainer_piece_quantity1
rolling_element_diameter0.4400 INCHES MINIMUM AND 0.4750 INCHES MAXIMUM IN
NSN3110-00-079-2918
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 531551-1 · 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
•
ROLLING ELEMENT DIAMETER: 0.4400 INCHES MINIMUM AND 0.4750 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: RETAINER AND BALLS
•
OUTSIDE DIAMETER: 1.6350 INCHES MINIMUM AND 1.6450 INCHES MAXIMUM IN
•
BORE DIAMETER: 1.1550 INCHES MINIMUM AND 1.1650 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP E4340 OVERALL
•
RETAINER PIECE QUANTITY: 1
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER0.4400 INCHES MINIMUM AND 0.4750 INCHES MAXIMUM IN
STYLE DESIGNATORRETAINER AND BALLS
OUTSIDE DIAMETER1.6350 INCHES MINIMUM AND 1.6450 INCHES MAXIMUM IN
BORE DIAMETER1.1550 INCHES MINIMUM AND 1.1650 INCHES MAXIMUM IN
MATERIALSTEEL COMP E4340 OVERALL
RETAINER PIECE QUANTITY1
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 531551-1?
531551-1 is a RETAINER,BALL,BEARING.
What is the NSN for 531551-1?
531551-1 is cataloged in the U.S. Government catalog under NSN 3110-00-079-2918. 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.