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Technical Data Sheet
PartsTable / COMPONENT / BL2
BL2 ✓ Verified by PartsTable
Middle Atlantic Products · 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

Blank panels with a black brushed and anodized finish<br><br>The most aesthetic blank panels available with a black brushed and anodized finish. Complements RSH4A custom rackshelves and other anodized accessories. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-6208, 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
BL2
NSN: 3110-00-100-6208
FSC: 3110
CAGE: 73949 — GUARDIAN ELECTRIC MANUFACTURING CO DIV GUARDIAN ELECTRIC MFG CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
specific_useCOLOR FILM
overall_length85.0 MILLIMETERS NOMINAL MM
long_arm_length2.906 INCHES NOMINAL IN
short_arm_length0.594 INCHES NOMINAL IN
special_featuresHARDNESS RATING ROCKWELL C MIN 50.0 AND MAX 58.0
style_designatorL-HANDLE
features_providedBALL END
surface_treatmentOXIDE OVERALL
wrenching_surface_size0.050 INCHES NOMINAL BOTH ENDS IN
wrenching_surface_shapeHEXAGON BOTH ENDS EXTERNAL
rolling_element_diameter0.1250 INCHES NOMINAL IN
NSN3110-00-100-6208
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BL2 · Middle Atlantic Products ⚠ 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
•
ROLLING ELEMENT DIAMETER: 0.1250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BALL
•
MATERIAL: STEEL CORROSION RESISTING 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)
SPECIAL FEATURESHARDNESS RATING ROCKWELL C MIN 50.0 AND MAX 58.0
ROLLING ELEMENT DIAMETER0.1250 INCHES NOMINAL IN
STYLE DESIGNATORBALL
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
474403PG925PC24Interchangeable
interchangeable cross-reference
interchangeable
145625Interchangeable
interchangeable cross-reference
interchangeable
733492Interchangeable
interchangeable cross-reference
interchangeable
96-15903Interchangeable
interchangeable cross-reference
interchangeable
81-41Interchangeable
interchangeable cross-reference
interchangeable
53435Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BL2?
BL2 is a CAPACITOR,FIXED,PAPER DIELECTRIC manufactured by Middle Atlantic Products.
What parts can replace BL2?
There are 25 known substitutes for BL2: 474403PG925PC24, 145625, 733492 and 22 more. Substitute compatibility should be verified for your specific system.
Is BL2 still available?
BL2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026