PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 149523
149523 ✓ 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 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, bore_shape: STRAIGHT, bore_diameter: 1.6929 INCHES NOMINAL IN, overall_width: 0.5000 INCHES NOMINAL IN, surface_finish: GROUND, inner_ring_width: 0.6690 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0637, 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
149523
NSN: 3110-00-100-0637
FSC: 3110
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter1.6929 INCHES NOMINAL IN
overall_width0.5000 INCHES NOMINAL IN
surface_finishGROUND
inner_ring_width0.6690 INCHES NOMINAL IN
outer_ring_width0.5800 INCHES NOMINAL IN
outside_diameter2.0470 INCHES NOMINAL IN
special_featuresCONTACT ANGLE 14 DEG,OUTER RING OD RADIUS 0.0400 IN,INNER RING ID RADIUS 0.0600 IN,SNAP RING ON OD OF INNER RING,COMPLEMENT OF 16 ROLLERS IN
style_designatorANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
backface_corner_radius0.0460 INCHES NOMINAL IN
overall_outside_diameter2.9528 INCHES NOMINAL IN
NSN3110-00-100-0637
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 149523 · 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
•
BACKFACE CORNER RADIUS: 0.0460 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
OUTSIDE DIAMETER: 2.0470 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
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)
BACKFACE CORNER RADIUS0.0460 INCHES NOMINAL IN
OVERALL WIDTH0.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OUTSIDE DIAMETER2.0470 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
119301Interchangeable
interchangeable cross-reference
interchangeable
FS10103-1612-2Interchangeable
interchangeable cross-reference
interchangeable
ASTM B221Interchangeable
interchangeable cross-reference
interchangeable
60-1451Interchangeable
interchangeable cross-reference
interchangeable
073429Interchangeable
interchangeable cross-reference
interchangeable
555207Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 149523?
149523 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 149523?
There are 32 known substitutes for 149523: 119301, FS10103-1612-2, ASTM B221 and 29 more. Substitute compatibility should be verified for your specific system.
Is 149523 still available?
149523 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