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CITT4625B — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

CITT4625B: BEARING,ROLLER,TAPERED.

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: 1.4375 INCHES NOMINAL IN, cone_width: 1.8125 INCHES NOMINAL IN, bore_diameter: 2.6875 INCHES NOMINAL IN, overall_width: 1.8125 INCHES NOMINAL IN, standout_width: 0.3750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-844-0992, 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
CITT4625B
NSN: 3110-00-844-0992
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.4375 INCHES NOMINAL IN
cone_width1.8125 INCHES NOMINAL IN
bore_diameter2.6875 INCHES NOMINAL IN
overall_width1.8125 INCHES NOMINAL IN
standout_width0.3750 INCHES NOMINAL IN
special_featuresDUTY CLASS H SERIES
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.1300 INCHES NOMINAL IN
overall_outside_diameter5.3750 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN3110-00-844-0992
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: CITT4625B · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
CUP WIDTH: 1.4375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 5.3750 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1300 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.3750 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
RETAINER FABRICATION METHODPRESSED
CUP WIDTH1.4375 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH1.8125 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER5.3750 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1300 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.3750 INCHES NOMINAL IN
CONE WIDTH1.8125 INCHES NOMINAL IN
SPECIAL FEATURESDUTY CLASS H SERIES
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 7
FF-B-187Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS19081-250Reference document
Same NSN cross-reference
Reference document — Secondary reference
C1TT4625BReference document
Same NSN cross-reference
Reference document — Secondary reference
AA59649-520Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FFB187/1-520Reference document
Same NSN cross-reference
Reference document — Secondary reference
H715343H715311Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CITT4625B?
CITT4625B is a BEARING,ROLLER,TAPERED.
What parts can replace CITT4625B?
There are 7 known substitutes for CITT4625B: FF-B-187, MS19081-250, C1TT4625B and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CITT4625B?
CITT4625B is cataloged in the U.S. Government catalog under NSN 3110-00-844-0992. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.