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Technical Data Sheet
PartsTable / COMPONENT / N56S306
N56S306 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The RETAINER AND BALLS,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5140 BALL, bore_diameter: 0.6580 INCHES NOMINAL IN, outside_diameter: 1.1600 INCHES NOMINAL IN, special_features: IN LINE, style_designator: RETAINER AND BALLS, THRUST, rolling_element_diameter: 0.1875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-183-7239, 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
N56S306
NSN: 3110-00-183-7239
FSC: 3110
CAGE: 63728 — SEALCRAFT CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 5140 BALL
bore_diameter0.6580 INCHES NOMINAL IN
outside_diameter1.1600 INCHES NOMINAL IN
special_featuresIN LINE
style_designatorRETAINER AND BALLS, THRUST
retainer_piece_quantity1
rolling_element_diameter0.1875 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN3110-00-183-7239
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: N56S306 · 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 PIECE QUANTITY: 1
•
MATERIAL: STEEL RETAINER
•
STYLE DESIGNATOR: RETAINER AND BALLS, THRUST
•
OUTSIDE DIAMETER: 1.1600 INCHES NOMINAL IN
•
BORE DIAMETER: 0.6580 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER PIECE QUANTITY1
MATERIALSTEEL RETAINER
STYLE DESIGNATORRETAINER AND BALLS, THRUST
SPECIAL FEATURESIN LINE
SPECIAL FEATURESIN LINE
OUTSIDE DIAMETER1.1600 INCHES NOMINAL IN
RETAINER PIECE QUANTITY1
BORE DIAMETER0.6580 INCHES NOMINAL IN
MATERIALSTEEL COMP 5140 BALL
STYLE DESIGNATORRETAINER AND BALLS, THRUST
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
6-3-62Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-2692Interchangeable
interchangeable cross-reference
interchangeable
D15-619PPC626T3628-635-636Interchangeable
interchangeable cross-reference
interchangeable
50021-2Interchangeable
interchangeable cross-reference
interchangeable
04052333008969Interchangeable
interchangeable cross-reference
interchangeable
512663Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N56S306?
N56S306 is a RETAINER AND BALLS,BEARING.
What parts can replace N56S306?
There are 19 known substitutes for N56S306: 6-3-62, MIL-F-2692, D15-619PPC626T3628-635-636 and 16 more. Substitute compatibility should be verified for your specific system.
Is N56S306 still available?
N56S306 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026