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PS7KDDFS381A — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

PS7KDDFS381A: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OR STEEL COMP 430 CAGE, bore_shape: STRAIGHT, bore_diameter: 0.6247 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN, overall_width: 0.3388 INCHES MINIMUM AND 0.3438 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-260-7263, 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
PS7KDDFS381A
NSN: 3110-01-260-7263
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OR STEEL COMP 430 CAGE
bore_shapeSTRAIGHT
bore_diameter0.6247 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
overall_width0.3388 INCHES MINIMUM AND 0.3438 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
functional_descriptionELEC MOTORS,APPLIANCES,INSTR AND DATA RECORDER APPL
supplementary_featuresQUIET RUNNING
NSN3110-01-260-7263
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: PS7KDDFS381A · 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: PRESSED
•
LUBRICATION MATERIAL: GREASE
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
SUPPLEMENTARY FEATURES: QUIET RUNNING
•
REFERENCE DATA AND LITERATURE: MIL-B-7949
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALGREASE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
INTERNAL FIT-UP DESIGNATIONLOOSE
SURFACE FINISHGROUND
SHIELD QUANTITY2
SUPPLEMENTARY FEATURESQUIET RUNNING
REFERENCE DATA AND LITERATUREMIL-B-7949
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 1ST MATERIAL RESPONSE OR SAE J405 UNS S41000 ASSN STD 1ST MATERIAL RESPONSE OR SAE J405 UNS S43000 ASSN STD 2ND MATERIAL RESPONSE CAGE
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 1
10130554Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PS7KDDFS381A?
PS7KDDFS381A is a BEARING,BALL,ANNULAR.
What parts can replace PS7KDDFS381A?
There is 1 known substitute for PS7KDDFS381A: 10130554. Substitute compatibility should be verified for your specific system.
What is the NSN for PS7KDDFS381A?
PS7KDDFS381A is cataloged in the U.S. Government catalog under NSN 3110-01-260-7263. 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.