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Technical Data Sheet
PartsTable / COMPONENT / 12Z315-64
12Z315-64 ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 20.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM, overall_width: 14.0 MILLIMETERS NOMINAL MM, alignment_type: SELF-ALIGNING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5055, 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
12Z315-64
NSN: 3110-00-156-5055
FSC: 3110
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter20.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width14.0 MILLIMETERS NOMINAL MM
alignment_typeSELF-ALIGNING
load_directionANGULAR
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
self-alignment_locationINTERNAL
overall_outside_diameter47.00 MILLIMETERS NOMINAL MM
NSN3110-00-156-5055
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12Z315-64 · 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
•
MATERIAL: STEEL OVERALL
•
ALIGNMENT TYPE: SELF-ALIGNING
•
LUBRICATION MATERIAL: GREASE
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
SELF-ALIGNMENT LOCATION: INTERNAL
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: INWARD CONVERGENT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
ALIGNMENT TYPESELF-ALIGNING
LUBRICATION MATERIALGREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SELF-ALIGNMENT LOCATIONINTERNAL
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
50058Interchangeable
interchangeable cross-reference
interchangeable
50058-0Interchangeable
interchangeable cross-reference
interchangeable
MILR5521Interchangeable
interchangeable cross-reference
interchangeable
A394X47Interchangeable
interchangeable cross-reference
interchangeable
AN6244-10Interchangeable
interchangeable cross-reference
interchangeable
23861Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12Z315-64?
12Z315-64 is a BEARING,BALL,ANNULAR.
What parts can replace 12Z315-64?
There are 24 known substitutes for 12Z315-64: 50058, 50058-0, MILR5521 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12Z315-64?
12Z315-64 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5055. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026