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Technical Data Sheet
PartsTable / COMPONENT / 52A318R1-1
52A318R1-1 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, special_features: METALLIC HARDNESS RATING ROCKWELL C MIN 58.0 IN. AND MAX 65.0 IN.

IN, rolling_element_diameter: 0.1250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-151-9205, 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
52A318R1-1
NSN: 3110-00-151-9205
FSC: 3110
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
special_featuresMETALLIC HARDNESS RATING ROCKWELL C MIN 58.0 IN. AND MAX 65.0 IN. IN
rolling_element_diameter0.1250 INCHES NOMINAL IN
NSN3110-00-151-9205
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 52A318R1-1 · 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
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
ROLLING ELEMENT DIAMETER: 0.1250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMETALLIC HARDNESS RATING ROCKWELL C MIN 58.0 IN. AND MAX 65.0 IN. IN
MATERIALSTEEL CORROSION RESISTING OVERALL
ROLLING ELEMENT DIAMETER0.1250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
9194770-83Interchangeable
interchangeable cross-reference
interchangeable
MS19060-4808Interchangeable
interchangeable cross-reference
interchangeable
40401-4Interchangeable
interchangeable cross-reference
interchangeable
150 1/4Interchangeable
interchangeable cross-reference
interchangeable
206 1/4Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 52A318R1-1?
52A318R1-1 is a MICROCIRCUIT,DIGITAL.
What parts can replace 52A318R1-1?
There are 29 known substitutes for 52A318R1-1: 9194770-83, MS19060-4808, 40401-4 and 26 more. Substitute compatibility should be verified for your specific system.
Is 52A318R1-1 still available?
52A318R1-1 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