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Technical Data Sheet
PartsTable / MRO / 157-44
157-44 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include keyway: NOT INCLUDED, diameter: 2.000 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, unit_type: ALL-PURPOSE, tooth_type: SOLID, carbide_tip: NOT INCLUDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-143-2978, 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
MRO→ MRO_GENERAL→ 157-44
NSN: 3110-00-143-2978
FSC: 3110
CAGE: 29690 — CORRECT MFG CORP (USA)
SPECIFICATIONS
keywayNOT INCLUDED
diameter2.000 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
unit_typeALL-PURPOSE
tooth_typeSOLID
carbide_tipNOT INCLUDED
overall_width1.6369 INCHES NOMINAL IN
overall_length13.0 CENTIMETERS NOMINAL CM
teeth_quantity44
arbor_hole_shapeROUND
outside_diameter3.8750 INCHES NOMINAL IN
special_featuresFORCEPS, CLAMP APPLYING, MICROSURGICAL; MEYER-TYPE; NON-LOCKING; 13 CM LONG; APPLIES SINGLE MICROSURGICAL CLAMPS IN SIZES B-1, B-2, AND B-3; STAINLESS STEEL CM
NSN3110-00-143-2978
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 157-44 · 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: 0.0630 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.8750 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
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 RADIUS0.0630 INCHES NOMINAL IN
OUTSIDE DIAMETER3.8750 INCHES NOMINAL IN
OVERALL WIDTH1.6369 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
SPECIAL FEATURESSTEEP ANGLE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
15744Interchangeable
interchangeable cross-reference
interchangeable
S102Interchangeable
interchangeable cross-reference
interchangeable
68F5-16X1-8Interchangeable
interchangeable cross-reference
interchangeable
53398Interchangeable
interchangeable cross-reference
interchangeable
SM-B-157410Interchangeable
interchangeable cross-reference
interchangeable
53398AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 157-44?
157-44 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 157-44?
There are 10 known substitutes for 157-44: 15744, S102, 68F5-16X1-8 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 157-44?
157-44 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-143-2978. 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