PartsTable
Technical Data Sheet
A1511-3 ✓ 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 BLOCK,TELEPHONE PROTECTOR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 WASHER, alignment_type: RIGID, overall_height: 0.8700 INCHES MAXIMUM IN, surface_finish: GROUND, special_features: WASHERS OVERLAP,ONE WASHER NOTCHED FOR LUBRICATION, style_designator: CLUTCH RELEASE, THRUST, LUBRICATED AND SEALED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-6202, 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
A1511-3
NSN: 3110-00-158-6202
FSC: 3110
CAGE: 00658 — ABC ACQUISITION COMPANY DBA AETNA BEARING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 WASHER
alignment_typeRIGID
overall_height0.8700 INCHES MAXIMUM IN
surface_finishGROUND
special_featuresWASHERS OVERLAP,ONE WASHER NOTCHED FOR LUBRICATION
style_designatorCLUTCH RELEASE, THRUST, LUBRICATED AND SEALED
bore_smallest_diameter2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
overall_outside_diameter4.4900 INCHES MINIMUM AND 4.5100 INCHES MAXIMUM IN
retainer_fabrication_methodPRESSED
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE BALL
thrust_directional_capability_designationSINGLE
NSN3110-00-158-6202
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A1511-3 · 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
ALIGNMENT TYPE: RIGID
BORE SMALLEST DIAMETER: 2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
RETAINER FABRICATION METHOD: PRESSED
SURFACE FINISH: GROUND
OVERALL OUTSIDE DIAMETER: 4.4900 INCHES MINIMUM AND 4.5100 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
ALIGNMENT TYPERIGID
BORE SMALLEST DIAMETER2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
SPECIAL FEATURESWASHERS OVERLAP,ONE WASHER NOTCHED FOR LUBRICATION
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER4.4900 INCHES MINIMUM AND 4.5100 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY INSERT
SPECIAL FEATURESWASHERS OVERLAP,ONE WASHER NOTCHED FOR LUBRICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
6925Interchangeable
interchangeable cross-reference
interchangeable
6925 19240Interchangeable
interchangeable cross-reference
interchangeable
SM-A-571486-3Interchangeable
interchangeable cross-reference
interchangeable
SM-A-571486-1Interchangeable
interchangeable cross-reference
interchangeable
69-692-5Interchangeable
interchangeable cross-reference
interchangeable
3MCFSRPCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1511-3?
A1511-3 is a BLOCK,TELEPHONE PROTECTOR.
What parts can replace A1511-3?
There are 30 known substitutes for A1511-3: 6925, 6925 19240, SM-A-571486-3 and 27 more. Substitute compatibility should be verified for your specific system.
Is A1511-3 still available?
A1511-3 is currently cancelled.
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