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Technical Data Sheet
PartsTable / COMPONENT / W-155
W-155 ✓ 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,ROLLER,THRUST is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY AND COPPER ALLOY OVERALL, bore_diameter: 0.7580 INCHES MINIMUM AND 0.7640 INCHES MAXIMUM IN, alignment_type: RIGID, head_thickness: 0.750 INCHES MAXIMUM IN, overall_height: 0.5260 INCHES MINIMUM AND 0.5360 INCHES MAXIMUM IN, overall_length: 12.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-117-0753, 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
W-155
NSN: 3110-00-117-0753
FSC: 3110
CAGE: 12128 — COLUMBUS MCKINNON CORP CM HOIST DIV (USA)
SPECIFICATIONS
materialALUMINUM ALLOY AND COPPER ALLOY OVERALL
bore_diameter0.7580 INCHES MINIMUM AND 0.7640 INCHES MAXIMUM IN
alignment_typeRIGID
head_thickness0.750 INCHES MAXIMUM IN
overall_height0.5260 INCHES MINIMUM AND 0.5360 INCHES MAXIMUM IN
overall_length12.000 INCHES NOMINAL IN
surface_finishUNGROUND
special_featuresBORE RADIUS 0.031 IN. IN
style_designatorOPEN END SINGLE HEAD RACK AND WORM ADJUSTMENT
features_providedNONMAGNETIC AND NONSPARKING
wrenching_surface_size1.375 INCHES MAXIMUM SINGLE END IN
wrenching_surface_shapeOVAL SINGLE END INTERNAL
NSN3110-00-117-0753
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: W-155 · 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: 1.6250 INCHES MINIMUM AND 1.6350 INCHES MAXIMUM IN
•
BORE DIAMETER: 0.7580 INCHES MINIMUM AND 0.7640 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
MATERIAL: STEEL COMP E52100 OR STEEL COMP E51100 BAND
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
SURFACE FINISH: UNGROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES ROLLER
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER1.6250 INCHES MINIMUM AND 1.6350 INCHES MAXIMUM IN
BORE DIAMETER0.7580 INCHES MINIMUM AND 0.7640 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
MATERIALSTEEL COMP E52100 OR STEEL COMP E51100 BAND
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL HEIGHT0.5260 INCHES MINIMUM AND 0.5360 INCHES MAXIMUM IN
SURFACE FINISHUNGROUND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES ROLLER
MATERIALSTEEL RETAINER
SPECIAL FEATURESBORE RADIUS 0.031 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
T101WInterchangeable
interchangeable cross-reference
interchangeable
615515R91Interchangeable
interchangeable cross-reference
interchangeable
J0262Interchangeable
interchangeable cross-reference
interchangeable
0BTT127Interchangeable
interchangeable cross-reference
interchangeable
067997Interchangeable
interchangeable cross-reference
interchangeable
1102A2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W-155?
W-155 is a BEARING,ROLLER,THRUST.
What parts can replace W-155?
There are 28 known substitutes for W-155: T101W, 615515R91, J0262 and 25 more. Substitute compatibility should be verified for your specific system.
Is W-155 still available?
W-155 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