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Technical Data Sheet
PartsTable / COMPONENT / CN49
CN49 ✓ 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: 1.8750 INCHES NOMINAL IN, cone_width: 2.5000 INCHES NOMINAL IN, bore_diameter: 7.0000 INCHES NOMINAL IN, overall_width: 2.5000 INCHES NOMINAL IN, standout_width: 0.6250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-5529, 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
CN49
NSN: 3110-00-100-5529
FSC: 3110
CAGE: 81240 — WHITE FARM EQUIPMENT CO SUB OF TIC INVESTMENT INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.8750 INCHES NOMINAL IN
cone_width2.5000 INCHES NOMINAL IN
bore_diameter7.0000 INCHES NOMINAL IN
overall_width2.5000 INCHES NOMINAL IN
standout_width0.6250 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.2810 INCHES NOMINAL IN
backface_corner_radius0.1250 INCHES NOMINAL IN
overall_outside_diameter11.3750 INCHES NOMINAL IN
nondefinitive_spec/std_data751 TYPE
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-5529
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: CN49 · 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
•
NONDEFINITIVE SPEC/STD DATA: 751 TYPE
•
CONE WIDTH: 2.5000 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.6250 INCHES NOMINAL IN
•
BORE DIAMETER: 7.0000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 11.3750 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)
NONDEFINITIVE SPEC/STD DATA751 TYPE
CONE WIDTH2.5000 INCHES NOMINAL IN
STANDOUT WIDTH0.6250 INCHES NOMINAL IN
BORE DIAMETER7.0000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL OUTSIDE DIAMETER11.3750 INCHES NOMINAL IN
OVERALL WIDTH2.5000 INCHES NOMINAL IN
CUP WIDTH1.8750 INCHES NOMINAL IN
CONE CORNER RADIUS0.2810 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
MS35291-76Interchangeable
interchangeable cross-reference
interchangeable
GSN1023909-501Interchangeable
interchangeable cross-reference
interchangeable
21375Interchangeable
interchangeable cross-reference
interchangeable
618-0005-001Interchangeable
interchangeable cross-reference
interchangeable
918378-1CInterchangeable
interchangeable cross-reference
interchangeable
5354Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CN49?
CN49 is a BEARING,ROLLER,TAPERED.
What parts can replace CN49?
There are 10 known substitutes for CN49: MS35291-76, GSN1023909-501, 21375 and 7 more. Substitute compatibility should be verified for your specific system.
Is CN49 still available?
CN49 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