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307S0ZCNT31SEAL — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

307S0ZCNT31SEAL: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OUTER RING, bore_shape: STRAIGHT, bore_diameter: 1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN, overall_width: 1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-992-1007, 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
307S0ZCNT31SEAL
NSN: 3110-00-992-1007
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RING
bore_shapeSTRAIGHT
bore_diameter1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
overall_width1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
seal_quantity1
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeLIPS TURNED OUTWARDLY
internal_clearance0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter3.1494 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM IN
NSN3110-00-992-1007
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 307S0ZCNT31SEAL · 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
•
BEARING SEAL TYPE: LIPS TURNED OUTWARDLY
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL CLEARANCE: 0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
•
INTERNAL FIT-UP DESIGNATION: TIGHT
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE BALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
BEARING SEAL TYPELIPS TURNED OUTWARDLY
LUBRICATION MATERIALGREASE
INTERNAL CLEARANCE0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
INTERNAL FIT-UP DESIGNATIONTIGHT
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE INNER RING
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 9
S3607ES100-1SEALReference document
Same NSN cross-reference
Reference document — Design control — primary reference
S3607ES100-1SEALNTSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
307S0ZCNT31SEALNTSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
999999K174NTReference document
Same NSN cross-reference
Reference document — Secondary reference
307S0ZCNT3NTReference document
Same NSN cross-reference
Reference document — Secondary reference
999999K174Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 307S0ZCNT31SEAL?
307S0ZCNT31SEAL is a BEARING,BALL,ANNULAR.
What parts can replace 307S0ZCNT31SEAL?
There are 9 known substitutes for 307S0ZCNT31SEAL: S3607ES100-1SEAL, S3607ES100-1SEALNT, 307S0ZCNT31SEALNT and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 307S0ZCNT31SEAL?
307S0ZCNT31SEAL is cataloged in the U.S. Government catalog under NSN 3110-00-992-1007. 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.