PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 45-000-51
45-000-51 ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, flange_width: 0.0620 INCHES NOMINAL IN, bore_diameter: 0.3750 INCHES NOMINAL IN, overall_width: 0.2188 INCHES NOMINAL IN, load_direction: RADIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-542-0083, 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
45-000-51
NSN: 3110-00-542-0083
FSC: 3110
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
flange_width0.0620 INCHES NOMINAL IN
bore_diameter0.3750 INCHES NOMINAL IN
overall_width0.2188 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
flange_outside_diameter0.9690 INCHES NOMINAL IN
nondefinitive_spec/std_data115 TYPE AND 11 CLASS
outer_ring_outside_diameter0.8750 INCHES NOMINAL IN
NSN3110-00-542-0083
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 45-000-51 · 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
•
FLANGE OUTSIDE DIAMETER: 0.9690 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING RETAINER
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY INTERNAL CLEARANCE
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
NONDEFINITIVE SPEC/STD DATA: 115 TYPE AND 11 CLASS
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE OUTSIDE DIAMETER0.9690 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING RETAINER
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY INTERNAL CLEARANCE
MATERIALSTEEL BALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA115 TYPE AND 11 CLASS
STANDARD TOLERANCE DESIGNATIONABEC NO.5
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
M81793/08-EC1N2N1A1Interchangeable
interchangeable cross-reference
interchangeable
NM062DInterchangeable
interchangeable cross-reference
interchangeable
SFR1-5Interchangeable
interchangeable cross-reference
interchangeable
SS418FCHHP24L0-1Interchangeable
interchangeable cross-reference
interchangeable
SFR144PPK24Interchangeable
interchangeable cross-reference
interchangeable
603-002-006Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45-000-51?
45-000-51 is a BEARING,BALL,ANNULAR.
What parts can replace 45-000-51?
There are 34 known substitutes for 45-000-51: M81793/08-EC1N2N1A1, NM062D, SFR1-5 and 31 more. Substitute compatibility should be verified for your specific system.
Is 45-000-51 still available?
45-000-51 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