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Technical Data Sheet
PartsTable / COMPONENT / A474-1
A474-1 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, bore_shape: STRAIGHT, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.405 INCHES MAXIMUM IN, bore_diameter: 45.00 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7901, 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
A474-1
NSN: 3110-00-156-7901
FSC: 3110
CAGE: 00000
SPECIFICATIONS
materialSTEEL OVERALL
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.405 INCHES MAXIMUM IN
bore_diameter45.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width1.5625 INCHES NOMINAL IN
load_directionANGULAR
overall_height0.325 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
NSN3110-00-156-7901
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A474-1 · 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
•
OVERALL OUTSIDE DIAMETER: 100.00 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: OUTWARD CONVERGENT
•
LOAD DIRECTION: ANGULAR
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
CONTACT ANGLE: 25.0 DEGREES MAXIMUM
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER100.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONOUTWARD CONVERGENT
LOAD DIRECTIONANGULAR
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
CONTACT ANGLE25.0 DEGREES MAXIMUM
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LUBRICATION MATERIALGREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
306FFInterchangeable
interchangeable cross-reference
interchangeable
386P436G01Interchangeable
interchangeable cross-reference
interchangeable
177002-131Interchangeable
interchangeable cross-reference
interchangeable
71409-3Interchangeable
interchangeable cross-reference
interchangeable
5309Interchangeable
interchangeable cross-reference
interchangeable
A-A-59641Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A474-1?
A474-1 is a RELAY,ELECTROMAGNETIC.
What parts can replace A474-1?
There are 28 known substitutes for A474-1: 306FF, 386P436G01, 177002-131 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A474-1?
A474-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7901. 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