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Technical Data Sheet
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A27146 — Technical Data Sheet

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— · 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 CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, overall_width: 0.7813 INCHES NOMINAL IN, outside_diameter: 4.9375 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0625 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-100-0560, 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
A27146
NSN: 3110-00-100-0560
FSC: 3110
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.7813 INCHES NOMINAL IN
outside_diameter4.9375 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0625 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0560
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A27146 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.0625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 4.9375 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL WIDTH0.7813 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.0625 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
OUTSIDE DIAMETER4.9375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
30232InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
150-589PC232InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E381BPC11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
H60MLQ30232InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PC461S43-14PC11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S1622InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A27146?
A27146 is a CUP,TAPERED ROLLER BEARING.
What parts can replace A27146?
There are 24 known substitutes for A27146: 30232, 150-589PC232, E381BPC11 and 21 more. Substitute compatibility should be verified for your specific system.
Is A27146 still available?
A27146 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: October 2026