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S518F5 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

S518F5: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OUTER RING, bore_shape: STRAIGHT, flange_width: 0.0220 INCHES MINIMUM AND 0.0230 INCHES MAXIMUM IN, bore_diameter: 0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN, overall_width: 0.1084 INCHES MINIMUM AND 0.1094 INCHES MAXIMUM IN, load_direction: RADIAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-216-5734, 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
S518F5
NSN: 3110-01-216-5734
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OUTER RING
bore_shapeSTRAIGHT
flange_width0.0220 INCHES MINIMUM AND 0.0230 INCHES MAXIMUM IN
bore_diameter0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
overall_width0.1084 INCHES MINIMUM AND 0.1094 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_materialOIL LUBRICATING
flange_outside_diameter0.3584 INCHES MINIMUM AND 0.3594 INCHES MAXIMUM IN
outer_ring_outside_diameter0.3123 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
NSN3110-01-216-5734
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: S518F5 · 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: OIL LUBRICATING
•
INTERNAL CLEARANCE: 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
•
FLANGE OUTSIDE DIAMETER: 0.3584 INCHES MINIMUM AND 0.3594 INCHES MAXIMUM IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALOIL LUBRICATING
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
FLANGE OUTSIDE DIAMETER0.3584 INCHES MINIMUM AND 0.3594 INCHES MAXIMUM IN
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING
OVERALL WIDTH0.1084 INCHES MINIMUM AND 0.1094 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
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
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FREQUENTLY ASKED QUESTIONS
What is S518F5?
S518F5 is a BEARING,BALL,ANNULAR.
What is the NSN for S518F5?
S518F5 is cataloged in the U.S. Government catalog under NSN 3110-01-216-5734. 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.