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BP5-3 — CAPACITOR,FIXED,PAPER DIELECTRIC

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BP5-3: CAPACITOR,FIXED,PAPER DIELECTRIC.

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include material: FIBER AND RUBBER BODY, bore_shape: STRAIGHT, bore_diameter: 1.1807 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN, overall_width: 1.1870 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-554-5830, 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
BP5-3
NSN: 3110-00-554-5830
NIINs: 005545830, 008505831, 008911013
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 54769 — SIDNEY MACHINE TOOL CO (USA)
SPECIFICATIONS
materialFIBER AND RUBBER BODY
bore_shapeSTRAIGHT
bore_diameter1.1807 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN
overall_width1.1870 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
performance_typeLIGHT DUTY
special_featuresBALL BEARING RADIUS .040; BALL BEARINGS PER ROW 14
style_designatorPLAIN
cross-sectional_sizeB
nominal_pitch_length54.800 INCHES IN
strengthening_featureFIBER CORD
NSN3110-00-554-5830
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BP5-3 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 2.8341 INCHES MINIMUM AND 2.8346 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: INWARD CONVERGENT
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
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
OVERALL WIDTH1.1870 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.8341 INCHES MINIMUM AND 2.8346 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
SPECIAL FEATURESBALL BEARING RADIUS .040; BALL BEARINGS PER ROW 14
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SUBSTITUTES & CROSS-REFERENCES 9
5306Q5A7Reference document
Same NSN cross-reference
Reference document — Secondary reference
S1449648Reference document
Same NSN cross-reference
Reference document — Secondary reference
530601-06BG05A21S00000-0Reference document
Same NSN cross-reference
Reference document — Secondary reference
75017Reference document
Same NSN cross-reference
Reference document — Secondary reference
954533Reference document
Same NSN cross-reference
Reference document — Secondary reference
17385Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BP5-3?
BP5-3 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace BP5-3?
There are 9 known substitutes for BP5-3: 5306Q5A7, S1449648, 530601-06BG05A21S00000-0 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BP5-3?
BP5-3 is cataloged in the U.S. Government catalog under NSN 3110-00-554-5830. This indicates validated use in U.S. government and defense supply chains.
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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.