PartsTable
Technical Data Sheet
8NBC1218YZPMILG3278A ✓ 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,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OR STEEL COMP 8620 OR STEEL OR STEEL COMP E50100 OR STEEL COMP E51100 OVERALL, bore_diameter: 0.5000 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, inner_ring_width: 0.7500 INCHES NOMINAL IN, outer_ring_width: 0.6562 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-2805, 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
8NBC1218YZPMILG3278A
NSN: 3110-00-227-2805
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OR STEEL COMP 8620 OR STEEL OR STEEL COMP E50100 OR STEEL COMP E51100 OVERALL
bore_diameter0.5000 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
inner_ring_width0.7500 INCHES NOMINAL IN
outer_ring_width0.6562 INCHES NOMINAL IN
special_featuresOIL HOLE AND GROOVE IN OUTER AND INNER RINGS
style_designatorCAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter1.1250 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN3110-00-227-2805
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 8NBC1218YZPMILG3278A · 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 DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
LUBRICATION MATERIAL: GREASE
SURFACE FINISH: GROUND
OUTER RING WIDTH: 0.6562 INCHES NOMINAL IN
ALIGNMENT TYPE: RIGID
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER0.5000 INCHES NOMINAL IN
LUBRICATION MATERIALGREASE
SURFACE FINISHGROUND
OUTER RING WIDTH0.6562 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
SPECIAL FEATURESOIL HOLE AND GROOVE IN OUTER AND INNER RINGS
RETAINER FABRICATION METHODPRESSED
INNER RING WIDTH0.7500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
112872Interchangeable
interchangeable cross-reference
interchangeable
53055Interchangeable
interchangeable cross-reference
interchangeable
0906820-6Interchangeable
interchangeable cross-reference
interchangeable
760-1211Interchangeable
interchangeable cross-reference
interchangeable
50-5-8Interchangeable
interchangeable cross-reference
interchangeable
225-5-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8NBC1218YZPMILG3278A?
8NBC1218YZPMILG3278A is a BEARING,ROLLER,NEEDLE.
What parts can replace 8NBC1218YZPMILG3278A?
There are 33 known substitutes for 8NBC1218YZPMILG3278A: 112872, 53055, 0906820-6 and 30 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8NBC1218YZPMILG3278A?
8NBC1218YZPMILG3278A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-2805. This indicates validated use in U.S. government and defense supply chains.
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