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1306857-4 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1306857-4: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.1250 INCHES NOMINAL IN, overall_width: 0.1562 INCHES NOMINAL IN, alignment_type: RIGID, load_direction: RADIAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-413-8440, 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
1306857-4
NSN: 3110-01-413-8440
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 55973 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER GUIDANCE SYSTEMS DIV (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
bore_shapeSTRAIGHT
bore_diameter0.1250 INCHES NOMINAL IN
overall_width0.1562 INCHES NOMINAL IN
alignment_typeRIGID
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_materialOIL
overall_outside_diameter0.3750 INCHES NOMINAL IN
standard_tolerance_designationABEC NO. 7P
NSN3110-01-413-8440
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1306857-4 · 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
•
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 0.3750 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALOIL
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.1562 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.3750 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONABEC NO. 7P
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 1306857-4?
1306857-4 is a BEARING,BALL,ANNULAR.
What is the NSN for 1306857-4?
1306857-4 is cataloged in the U.S. Government catalog under NSN 3110-01-413-8440. 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.