PartsTable
Technical Data Sheet
4B559 ✓ 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 OVERALL, body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.2500 INCHES NOMINAL IN, pressure_angle: 25.0000 DEGREES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6661, 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
4B559
NSN: 3110-00-155-6661
FSC: 3110
CAGE: 03895 — ARMSTRONG-BLUM MFG. CO. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_stylePLAIN, SOLID
bore_styleW/ KEYWAY BOTH ENDS
tooth_formSTANDARD
pitch_diameter1.2500 INCHES NOMINAL IN
pressure_angle25.0000 DEGREES
teeth_quantity10
style_designatorHUBLESS
face_nominal_width1.748 INCHES IN
keyway_nominal_width0.158 INCHES BOTH ENDS IN
bore_nominal_diameter0.617 INCHES BOTH ENDS IN
nominal_outside_diameter1.497 INCHES IN
NSN3110-00-155-6661
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4B559 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
V-281Interchangeable
interchangeable cross-reference
interchangeable
206AInterchangeable
interchangeable cross-reference
interchangeable
206BInterchangeable
interchangeable cross-reference
interchangeable
162694Interchangeable
interchangeable cross-reference
interchangeable
AF90HInterchangeable
interchangeable cross-reference
interchangeable
150-515Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4B559?
4B559 is a BEARING,BALL,ANNULAR.
What parts can replace 4B559?
There are 34 known substitutes for 4B559: V-281, 206A, 206B and 31 more. Substitute compatibility should be verified for your specific system.
Is 4B559 still available?
4B559 is currently cancelled.
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