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S1219M5 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

S1219M5: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C INNER RING, bore_shape: STRAIGHT, bore_diameter: 0.7498 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, overall_width: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-271-4788, 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
S1219M5
NSN: 3110-01-271-4788
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
materialSTEEL COMP 440C INNER RING
bore_shapeSTRAIGHT
bore_diameter0.7498 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
overall_width0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
internal_clearance0.0005 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
functional_descriptionU/O GYRO COMPASS,TRIPARTITE MINE HUNTER
supplementary_featuresTORQUE TUBE SERIES ANGULAR CONTACT NONSEPARABLE
overall_outside_diameter1.1873 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
NSN3110-01-271-4788
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: S1219M5 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
SUPPLEMENTARY FEATURES: TORQUE TUBE SERIES ANGULAR CONTACT NONSEPARABLE
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI/SAE J405 UNS S44004 ASSN STD SINGLE MATERIAL RESPONSE BALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
SUPPLEMENTARY FEATURESTORQUE TUBE SERIES ANGULAR CONTACT NONSEPARABLE
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONAISI/SAE J405 UNS S44004 ASSN STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI/SAE J405 UNS S44004 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAISI/SAE J405 UNS S44004 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONPLENOLIC LAMINATE MFR REF SINGLE MATERIAL RESPONSE RETAINER
OVERALL WIDTH0.2490 INCHES MINIMUM AND 0.2500 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

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 S1219M5?
S1219M5 is a BEARING,BALL,ANNULAR.
What is the NSN for S1219M5?
S1219M5 is cataloged in the U.S. Government catalog under NSN 3110-01-271-4788. 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.