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Technical Data Sheet
PartsTable / COMPONENT / B5154
B5154 ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: RUBBER POLYISOPRENE NATURAL CLASS NR OVERALL, bore_shape: STRAIGHT, body_length: 3.250 INCHES MAXIMUM IN, bore_diameter: 45.0 MILLIMETERS NOMINAL MM, overall_width: 19.0 MILLIMETERS NOMINAL MM, inclosure_type: HERMETICALLY SEALED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7319, 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
B5154
NSN: 3110-00-155-7319
FSC: 3110
CAGE: 13125 — CLEVELAND TRENCHER CO INC (USA)
SPECIFICATIONS
materialRUBBER POLYISOPRENE NATURAL CLASS NR OVERALL
bore_shapeSTRAIGHT
body_length3.250 INCHES MAXIMUM IN
bore_diameter45.0 MILLIMETERS NOMINAL MM
overall_width19.0 MILLIMETERS NOMINAL MM
inclosure_typeHERMETICALLY SEALED
surface_finishGROUND
wall_thickness0.188 INCHES NOMINAL IN
working_length2.500 INCHES NOMINAL IN
inside_diameter1.000 INCHES NOMINAL IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating70.0 HERTZ MINIMUM AND 9.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
NSN3110-00-155-7319
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B5154 · 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
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
•
LOCATING FEATURE: NONLOCATING
•
MATERIAL: STEEL OUTER RING
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
LOCATING FEATURENONLOCATING
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
MATERIALSTEEL ROLLER
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE
SURFACE FINISHGROUND
OVERALL WIDTH19.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER85.0 MILLIMETERS NOMINAL MM
BORE DIAMETER45.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
434054Interchangeable
interchangeable cross-reference
interchangeable
62FT1Interchangeable
interchangeable cross-reference
interchangeable
230384Interchangeable
interchangeable cross-reference
interchangeable
B5154Interchangeable
interchangeable cross-reference
interchangeable
SCC27213Interchangeable
interchangeable cross-reference
interchangeable
3E6512Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B5154?
B5154 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace B5154?
There are 18 known substitutes for B5154: 434054, 62FT1, 230384 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B5154?
B5154 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7319. 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