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Technical Data Sheet
PartsTable / COMPONENT / BNBLEFT
BNBLEFT ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: STEEL WASHER, alignment_type: RIGID, overall_height: 0.6250 INCHES NOMINAL IN, surface_finish: GROUND, style_designator: GROOVED RACE SURFACE, bore_smallest_diameter: 1.3750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-117-4721, 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
BNBLEFT
NSN: 3110-00-117-4721
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL WASHER
alignment_typeRIGID
overall_height0.6250 INCHES NOMINAL IN
surface_finishGROUND
style_designatorGROOVED RACE SURFACE
bore_smallest_diameter1.3750 INCHES NOMINAL IN
overall_outside_diameter2.4688 INCHES NOMINAL IN
standard_tolerance_designationABEC NO.1
thrust_directional_capability_designationSINGLE
NSN3110-00-117-4721
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BNBLEFT · 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
•
BORE SMALLEST DIAMETER: 1.3750 INCHES NOMINAL IN
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
ALIGNMENT TYPE: RIGID
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 2.4688 INCHES NOMINAL IN
•
MATERIAL: STEEL WASHER
•
STYLE DESIGNATOR: GROOVED RACE SURFACE
TECHNICAL CHARACTERISTICS (FLIS)
BORE SMALLEST DIAMETER1.3750 INCHES NOMINAL IN
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
ALIGNMENT TYPERIGID
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER2.4688 INCHES NOMINAL IN
MATERIALSTEEL WASHER
STYLE DESIGNATORGROOVED RACE SURFACE
OVERALL HEIGHT0.6250 INCHES NOMINAL IN
MATERIALSTEEL BALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
GT15Interchangeable
interchangeable cross-reference
interchangeable
104087Interchangeable
interchangeable cross-reference
interchangeable
MS20613-8P20Interchangeable
interchangeable cross-reference
interchangeable
F1-5Interchangeable
interchangeable cross-reference
interchangeable
2100-03-0022Interchangeable
interchangeable cross-reference
interchangeable
16-DIPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BNBLEFT?
BNBLEFT is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace BNBLEFT?
There are 21 known substitutes for BNBLEFT: GT15, 104087, MS20613-8P20 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BNBLEFT?
BNBLEFT is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-117-4721. 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