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Technical Data Sheet
PartsTable / COMPONENT / W1 1-4
W1 1-4 ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_length: 1.594 INCHES NOMINAL IN, hole_diameter: 0.172 INCHES NOMINAL IN, overall_width: 1.484 INCHES NOMINAL IN, terminal_type: SCREW, alignment_type: RIGID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1721, 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
W1 1-4
NSN: 3110-00-156-1721
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_length1.594 INCHES NOMINAL IN
hole_diameter0.172 INCHES NOMINAL IN
overall_width1.484 INCHES NOMINAL IN
terminal_typeSCREW
alignment_typeRIGID
overall_height3.125 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
surface_finishGROUND
mounting_methodCLAMP
outside_diameter0.368 INCHES NOMINAL IN
special_features1.2813 LARGE BORE
NSN3110-00-156-1721
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: W1 1-4 · 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
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
STYLE DESIGNATOR: GROOVED RACE SURFACE
•
MATERIAL: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
•
OVERALL OUTSIDE DIAMETER: 2.0938 INCHES NOMINAL IN
•
BORE SMALLEST DIAMETER: 1.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
TECHNICAL CHARACTERISTICS (FLIS)
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
SPECIAL FEATURES1.2813 LARGE BORE
STYLE DESIGNATORGROOVED RACE SURFACE
OVERALL HEIGHT0.7188 INCHES NOMINAL IN
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
OVERALL OUTSIDE DIAMETER2.0938 INCHES NOMINAL IN
BORE SMALLEST DIAMETER1.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
SURFACE FINISHGROUND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
4310Interchangeable
interchangeable cross-reference
interchangeable
123-39Interchangeable
interchangeable cross-reference
interchangeable
254-102Interchangeable
interchangeable cross-reference
interchangeable
MIL-HDBK-300(PME)Interchangeable
interchangeable cross-reference
interchangeable
38558Interchangeable
interchangeable cross-reference
interchangeable
12Z13110-601Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W1 1-4?
W1 1-4 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace W1 1-4?
There are 23 known substitutes for W1 1-4: 4310, 123-39, 254-102 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W1 1-4?
W1 1-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1721. 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