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BB-61 — BUS,CONDUCTOR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BB-61: BUS,CONDUCTOR.

The BUS,CONDUCTOR is a the manufacturer industrial component. Key specifications include material: COPPER, construction: SOLID, overall_length: 61.250 INCHES NOMINAL IN, wall_thickness: 0.250 INCHES NOMINAL IN, cross-sectional_width: 1.000 INCHES NOMINAL IN, mounting_configuration: NUMBER 10-32 TAPPED THD HOLES ON 3.500 INCH CENTERS IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-308-5765, 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
BB-61
NSN: 3110-01-308-5765
NIINs: 013085765, 015349892
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 28873 — ITW FOOD EQUIPMENT GROUP LLC DBA HOBART SERVICE (USA)
SPECIFICATIONS
materialCOPPER
constructionSOLID
overall_length61.250 INCHES NOMINAL IN
wall_thickness0.250 INCHES NOMINAL IN
cross-sectional_width1.000 INCHES NOMINAL IN
mounting_configurationNUMBER 10-32 TAPPED THD HOLES ON 3.500 INCH CENTERS IN
end_item_identification4920-01-476-3690, TEST SET, ACT ENGINE
body_cross-sectional_shapeRECTANGULAR W/SQUARE ENDS
NSN3110-01-308-5765
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BB-61 · 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BB-61?
BB-61 is a BUS,CONDUCTOR.
What is the NSN for BB-61?
BB-61 is cataloged in the U.S. Government catalog under NSN 3110-01-308-5765. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.