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Technical Data Sheet
PartsTable / COMPONENT / LM501349
LM501349 ✓ 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: 0.5800 INCHES NOMINAL IN, cone_width: 0.7800 INCHES NOMINAL IN, bore_diameter: 1.6250 INCHES NOMINAL IN, overall_width: 0.7700 INCHES NOMINAL IN, standout_width: 0.1900 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-690-8923, 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
LM501349
NSN: 3110-00-690-8923
FSC: 3110
CAGE: 3D6E9 — MERITOR INDUSTRIAL PRODUCTS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.5800 INCHES NOMINAL IN
cone_width0.7800 INCHES NOMINAL IN
bore_diameter1.6250 INCHES NOMINAL IN
overall_width0.7700 INCHES NOMINAL IN
standout_width0.1900 INCHES NOMINAL IN
special_featuresDUTY CLASS LM SERIES
style_designatorNORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.0310 INCHES NOMINAL IN
end_item_identification2350-01-087-1095
overall_outside_diameter2.8910 INCHES NOMINAL IN
NSN3110-00-690-8923
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: LM501349 · 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
•
STANDOUT WIDTH: 0.1900 INCHES NOMINAL IN
•
BORE DIAMETER: 1.6250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
CUP WIDTH: 0.5800 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: PRESSED
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.0310 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)
STANDOUT WIDTH0.1900 INCHES NOMINAL IN
BORE DIAMETER1.6250 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH0.7700 INCHES NOMINAL IN
CUP WIDTH0.5800 INCHES NOMINAL IN
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.0310 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.8910 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
S21Interchangeable
interchangeable cross-reference
interchangeable
1502692Interchangeable
interchangeable cross-reference
interchangeable
SMD490602Interchangeable
interchangeable cross-reference
interchangeable
SMB490601Interchangeable
interchangeable cross-reference
interchangeable
521Interchangeable
interchangeable cross-reference
interchangeable
00H581TYPE3CLASS1STYLEBSIZECS41Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LM501349?
LM501349 is a BEARING,ROLLER,TAPERED.
What parts can replace LM501349?
There are 23 known substitutes for LM501349: S21, 1502692, SMD490602 and 20 more. Substitute compatibility should be verified for your specific system.
Is LM501349 still available?
LM501349 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