PartsTable
Technical Data Sheet
N91 ✓ 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 IBM DS4100 DS4300 BATTERY 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 material: PLASTIC POLYAMIDE NYLON SEAT, bore_shape: STRAIGHT, plate_type: NEGATIVE AND POSITIVE, bore_diameter: 20.00 MILLIMETERS NOMINAL MM, overall_width: 1.000 INCHES NOMINAL IN, terminal_type: THREADED STUD W/NUT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-555-5221, 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
N91
NSN: 3110-00-555-5221
FSC: 3110
CAGE: 33742 — MAKO COMPRESSORS, LLC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON SEAT
bore_shapeSTRAIGHT
plate_typeNEGATIVE AND POSITIVE
bore_diameter20.00 MILLIMETERS NOMINAL MM
cell_quantity5
overall_width1.000 INCHES NOMINAL IN
terminal_typeTHREADED STUD W/NUT
load_directionRADIAL
overall_height2.000 INCHES NOMINAL IN
overall_length5.000 INCHES NOMINAL IN
surface_finishGROUND
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
NSN3110-00-555-5221
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: N91 · 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
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
MATERIAL: STEEL OVERALL
SURFACE FINISH: GROUND
LOAD DIRECTION: RADIAL
INTERNAL FIT-UP DESIGNATION: LOOSE
BORE SHAPE: STRAIGHT
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)
RETAINER FABRICATION METHODPRESSED
OVERALL WIDTH14.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
INTERNAL FIT-UP DESIGNATIONLOOSE
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OVERALL OUTSIDE DIAMETER47.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
27466Interchangeable
interchangeable cross-reference
interchangeable
5130-00-021-2003Interchangeable
interchangeable cross-reference
interchangeable
25466-2Interchangeable
interchangeable cross-reference
interchangeable
204-HD3Interchangeable
interchangeable cross-reference
interchangeable
JH2260-1Interchangeable
interchangeable cross-reference
interchangeable
3204Interchangeable
IBM DS4100 DS4300 Battery
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N91?
N91 is a IBM DS4100 DS4300 BATTERY.
What parts can replace N91?
There are 27 known substitutes for N91: 27466, 5130-00-021-2003, 25466-2 and 24 more. Substitute compatibility should be verified for your specific system.
Is N91 still available?
N91 is currently cancelled.
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