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Technical Data Sheet
PartsTable / COMPONENT / W1 1-2
W1 1-2 ✓ 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 HUB,COUPLING,FLEXIBLE is a the manufacturer industrial component. Key specifications include material: PLASTIC BOARD, body_style: BLOCK TYPE, alignment_type: RIGID, overall_height: 0.7188 INCHES NOMINAL IN, surface_finish: GROUND, terminal_design: NONFEEDTHRU. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1726, 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 1-2
NSN: 3110-00-156-1726
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC BOARD
body_styleBLOCK TYPE
alignment_typeRIGID
overall_height0.7188 INCHES NOMINAL IN
surface_finishGROUND
terminal_designNONFEEDTHRU
special_features1.5313 LARGE BORE
style_designatorGROOVED RACE SURFACE
surface_treatmentSOLDER TERMINALS
board_constructionSOLID CONSTRUCTION
board_overall_width1.820 INCHES IN
board_overall_height1.250 INCHES IN
NSN3110-00-156-1726
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: W1 1-2 · 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
•
BORE SMALLEST DIAMETER: 1.5000 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 2.3438 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
MATERIAL: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BORE SMALLEST DIAMETER1.5000 INCHES NOMINAL IN
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER2.3438 INCHES NOMINAL IN
SPECIAL FEATURES1.5313 LARGE BORE
ALIGNMENT TYPERIGID
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORGROOVED RACE SURFACE
OVERALL HEIGHT0.7188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
GGG-K-00275Interchangeable
interchangeable cross-reference
interchangeable
138011-1Interchangeable
interchangeable cross-reference
interchangeable
14085Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
350-RTInterchangeable
interchangeable cross-reference
interchangeable
2012-T 12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W1 1-2?
W1 1-2 is a HUB,COUPLING,FLEXIBLE.
What parts can replace W1 1-2?
There are 21 known substitutes for W1 1-2: GGG-K-00275, 138011-1, 14085 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W1 1-2?
W1 1-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1726. 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