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14-903-2 — Technical Data Sheet

✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include material: STEEL OVERALL, overall_width: 0.8750 INCHES NOMINAL IN, outside_diameter: 3.7500 INCHES NOMINAL IN, special_features: AXIAL DISTANCE BETWEEN CENTER OF CUP CONTACT LINE AND BEARING STABILITY POINT ON SHAFT AXIS 0.3600 IN. IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0938 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 3110-00-100-0311, 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
14-903-2
NSN: 3110-00-100-0311
FSC: 3110
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.8750 INCHES NOMINAL IN
outside_diameter3.7500 INCHES NOMINAL IN
special_featuresAXIAL DISTANCE BETWEEN CENTER OF CUP CONTACT LINE AND BEARING STABILITY POINT ON SHAFT AXIS 0.3600 IN. IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0938 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0311
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 14-903-2 · 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: 0.0938 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.7500 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
BACKFACE CORNER RADIUS0.0938 INCHES NOMINAL IN
OVERALL WIDTH0.8750 INCHES NOMINAL IN
OUTSIDE DIAMETER3.7500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
SPECIAL FEATURESAXIAL DISTANCE BETWEEN CENTER OF CUP CONTACT LINE AND BEARING STABILITY POINT ON SHAFT AXIS 0.3600 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 41
A3107Interchangeable
interchangeable cross-reference
interchangeable
210062Interchangeable
interchangeable cross-reference
interchangeable
C62106XInterchangeable
interchangeable cross-reference
interchangeable
11-7302Interchangeable
interchangeable cross-reference
interchangeable
CR77051PC190Interchangeable
interchangeable cross-reference
interchangeable
55543Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 14-903-2?
14-903-2 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 14-903-2?
There are 41 known substitutes for 14-903-2: A3107, 210062, C62106X and 38 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 14-903-2?
14-903-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0311. 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: September 2026