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Technical Data Sheet
PartsTable / COMPONENT / MA1423
MA1423 ✓ 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: 0.9375 INCHES NOMINAL IN, cone_width: 1.1811 INCHES NOMINAL IN, bore_diameter: 1.1875 INCHES NOMINAL IN, overall_width: 1.1875 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 3110-00-100-4489, 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
MA1423
NSN: 3110-00-100-4489
FSC: 3110
CAGE: 25681 — ITT GOULDS PUMPS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.9375 INCHES NOMINAL IN
cone_width1.1811 INCHES NOMINAL IN
bore_diameter1.1875 INCHES NOMINAL IN
overall_width1.1875 INCHES NOMINAL IN
standout_width0.2500 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.1250 INCHES NOMINAL IN
overall_outside_diameter2.8593 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-4489
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MA1423 · 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
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 2.8593 INCHES NOMINAL IN
•
CUP WIDTH: 0.9375 INCHES NOMINAL IN
•
BORE DIAMETER: 1.1875 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.2500 INCHES NOMINAL IN
•
CONE WIDTH: 1.1811 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, 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)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.8593 INCHES NOMINAL IN
CUP WIDTH0.9375 INCHES NOMINAL IN
BORE DIAMETER1.1875 INCHES NOMINAL IN
STANDOUT WIDTH0.2500 INCHES NOMINAL IN
CONE WIDTH1.1811 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
25717Interchangeable
interchangeable cross-reference
interchangeable
1820-0144Interchangeable
interchangeable cross-reference
interchangeable
SC7007PKInterchangeable
interchangeable cross-reference
interchangeable
31913Interchangeable
interchangeable cross-reference
interchangeable
FR1126Interchangeable
interchangeable cross-reference
interchangeable
PEI 9710Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MA1423?
MA1423 is a BEARING,ROLLER,TAPERED.
What parts can replace MA1423?
There are 14 known substitutes for MA1423: 25717, 1820-0144, SC7007PK and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MA1423?
MA1423 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4489. 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