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Technical Data Sheet
PartsTable / COMPONENT / 742-4-425
742-4-425 ✓ 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: 0.4750 INCHES NOMINAL IN, cone_width: 0.6550 INCHES NOMINAL IN, bore_diameter: 0.7500 INCHES NOMINAL IN, overall_width: 0.6550 INCHES NOMINAL IN, standout_width: 0.1350 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-812-9523, 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
742-4-425
NSN: 3110-00-812-9523
FSC: 3110
CAGE: 01551 — EDRO CORPORATION, THE DBA EDRO CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.4750 INCHES NOMINAL IN
cone_width0.6550 INCHES NOMINAL IN
bore_diameter0.7500 INCHES NOMINAL IN
overall_width0.6550 INCHES NOMINAL IN
standout_width0.1350 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.0500 INCHES NOMINAL IN
backface_corner_radius0.0500 INCHES NOMINAL IN
overall_outside_diameter1.7810 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-812-9523
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 742-4-425 · 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: 0.0500 INCHES NOMINAL IN
•
CUP WIDTH: 0.4750 INCHES NOMINAL IN
•
BORE DIAMETER: 0.7500 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: PRESSED
•
CONE CORNER RADIUS: 0.0500 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1350 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 1.7810 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)
OVERALL WIDTH0.6550 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0500 INCHES NOMINAL IN
CUP WIDTH0.4750 INCHES NOMINAL IN
BORE DIAMETER0.7500 INCHES NOMINAL IN
RETAINER FABRICATION METHODPRESSED
CONE CORNER RADIUS0.0500 INCHES NOMINAL IN
STANDOUT WIDTH0.1350 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.7810 INCHES NOMINAL IN
CONE WIDTH0.6550 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
09062Interchangeable
interchangeable cross-reference
interchangeable
17-149Interchangeable
interchangeable cross-reference
interchangeable
7475Interchangeable
interchangeable cross-reference
interchangeable
KIPPERInterchangeable
interchangeable cross-reference
interchangeable
A24Interchangeable
interchangeable cross-reference
interchangeable
A2124Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 742-4-425?
742-4-425 is a BEARING,ROLLER,TAPERED.
What parts can replace 742-4-425?
There are 24 known substitutes for 742-4-425: 09062, 17-149, 7475 and 21 more. Substitute compatibility should be verified for your specific system.
Is 742-4-425 still available?
742-4-425 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026