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Technical Data Sheet
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A541 ✓ 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,AIRFRAME is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, design_type: SINGLE WIDTH, keyway_type: RECTANGULAR, hub_location: BACK SIDE, mounting_method: KEY, overall_diameter: 5.687 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 3110-00-142-4331, 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
A541
NSN: 3110-00-142-4331
FSC: 3110
CAGE: 3NPS1 — RBC AIRCRAFT PRODUCTS, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY
design_typeSINGLE WIDTH
keyway_typeRECTANGULAR
hub_locationBACK SIDE
hub_quantity1
keyway_quantity1
mounting_methodKEY
overall_diameter5.687 INCHES NOMINAL IN
rotation_direction_for_which_designedCLOCKWISE
NSN3110-00-142-4331
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A541 · 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
•
OVERALL OUTSIDE DIAMETER: 1.5000 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
OUTER RING WIDTH: 0.2500 INCHES NOMINAL IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
INNER RING WIDTH: 0.2810 INCHES NOMINAL IN
•
BORE DIAMETER: 1.0625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER1.5000 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
OUTER RING WIDTH0.2500 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
INNER RING WIDTH0.2810 INCHES NOMINAL IN
BORE DIAMETER1.0625 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
TAYLOR NO. 1360Interchangeable
interchangeable cross-reference
interchangeable
89-164Interchangeable
interchangeable cross-reference
interchangeable
DWG5120-00-359-6565Interchangeable
interchangeable cross-reference
interchangeable
6748-4Interchangeable
interchangeable cross-reference
interchangeable
SPQ1626Interchangeable
interchangeable cross-reference
interchangeable
W5051313KKInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A541?
A541 is a BEARING,BALL,AIRFRAME.
What parts can replace A541?
There are 13 known substitutes for A541: TAYLOR NO. 1360, 89-164, DWG5120-00-359-6565 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A541?
A541 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4331. 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