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PartsTable / COMPONENT / A52491-57
A52491-57 ✓ 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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include color: BLACK, material: STEEL, body_style: WAVEGUIDE TYPE, body_width: 0.938 INCHES NOMINAL IN, point_type: CONVENTIONAL, shaft_type: ROUND, FLATTED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1879, 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
A52491-57
NSN: 3110-00-156-1879
FSC: 3110
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
colorBLACK
materialSTEEL
body_styleWAVEGUIDE TYPE
body_width0.938 INCHES NOMINAL IN
point_typeCONVENTIONAL
shaft_typeROUND, FLATTED
body_height0.922 INCHES NOMINAL IN
body_length1.000 INCHES NOMINAL IN
design_typeEXPANDING
flat_height0.219 INCHES NOMINAL IN
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
NSN3110-00-156-1879
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A52491-57 · 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 26
M850Interchangeable
interchangeable cross-reference
interchangeable
LENS,M8.50SPH,0.50BC,71MM DIAInterchangeable
interchangeable cross-reference
interchangeable
9NBC1419YZPMILG3278AInterchangeable
interchangeable cross-reference
interchangeable
9NCB1419YZPANG25Interchangeable
interchangeable cross-reference
interchangeable
9NBC1419YZPInterchangeable
interchangeable cross-reference
interchangeable
163B5559Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A52491-57?
A52491-57 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace A52491-57?
There are 26 known substitutes for A52491-57: M850, LENS,M8.50SPH,0.50BC,71MM DIA, 9NBC1419YZPMILG3278A and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A52491-57?
A52491-57 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1879. 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