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Technical Data Sheet
PartsTable / COMPONENT / 752-5944481 PIE
752-5944481 PIE ✓ 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,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 0.6250 INCHES NOMINAL IN, cone_width: 0.8660 INCHES NOMINAL IN, bore_diameter: 2.7500 INCHES NOMINAL IN, overall_width: 0.8750 INCHES NOMINAL IN, standout_width: 0.2500 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 3110-00-007-6358, 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
752-5944481 PIE
NSN: 3110-00-007-6358
FSC: 3110
CAGE: 2Y684 — WESTINGHOUSE ELECTRIC CORP MACHINERY TECHNOLOGY DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.6250 INCHES NOMINAL IN
cone_width0.8660 INCHES NOMINAL IN
bore_diameter2.7500 INCHES NOMINAL IN
overall_width0.8750 INCHES NOMINAL IN
standout_width0.2500 INCHES NOMINAL IN
special_featuresDUTY CLASS LM SERIES
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.0600 INCHES NOMINAL IN
backface_corner_radius0.0300 INCHES NOMINAL IN
overall_outside_diameter4.4375 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-007-6358
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 752-5944481 PIE · 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
•
CONE WIDTH: 0.8660 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CUP WIDTH: 0.6250 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 4.4375 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 (FLIS)
CONE WIDTH0.8660 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
MATERIALSTEEL OVERALL
SPECIAL FEATURESDUTY CLASS LM SERIES
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CUP WIDTH0.6250 INCHES NOMINAL IN
OVERALL WIDTH0.8750 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER4.4375 INCHES NOMINAL IN
CONE CORNER RADIUS0.0600 INCHES NOMINAL IN
STANDOUT WIDTH0.2500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
18779Interchangeable
interchangeable cross-reference
interchangeable
358501Interchangeable
interchangeable cross-reference
interchangeable
4B2642Interchangeable
interchangeable cross-reference
interchangeable
BD-721011-19Interchangeable
interchangeable cross-reference
interchangeable
000567Interchangeable
interchangeable cross-reference
interchangeable
C-18779Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 752-5944481 PIE?
752-5944481 PIE is a BEARING,ROLLER,TAPERED.
What parts can replace 752-5944481 PIE?
There are 12 known substitutes for 752-5944481 PIE: 18779, 358501, 4B2642 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 752-5944481 PIE?
752-5944481 PIE is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-007-6358. 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