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Technical Data Sheet
PartsTable / COMPONENT / A2301
A2301 ✓ 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 SWITCH,TOGGLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_width: 1.312 INCHES NOMINAL IN, body_height: 1.219 INCHES NOMINAL IN, body_length: 1.438 INCHES NOMINAL IN, alignment_type: RIGID, bushing_length: 0.469 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-8512, 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
A2301
NSN: 3110-00-100-8512
FSC: 3110
CAGE: 70801 — AUTOMOTIVE THRUST BEARING CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width1.312 INCHES NOMINAL IN
body_height1.219 INCHES NOMINAL IN
body_length1.438 INCHES NOMINAL IN
alignment_typeRIGID
bushing_length0.469 INCHES NOMINAL IN
overall_height0.5575 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN
surface_finishGROUND
style_designatorGROOVED RACE SURFACE, BANDED OD
nominal_thread_size0.469 INCHES IN
largest_bore_diameter0.5575 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN
bore_smallest_diameter0.5040 INCHES MINIMUM AND 0.5060 INCHES MAXIMUM IN
NSN3110-00-100-8512
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A2301 · 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: 1.2087 INCHES MINIMUM AND 1.2287 INCHES MAXIMUM IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
•
BORE SMALLEST DIAMETER: 0.5040 INCHES MINIMUM AND 0.5060 INCHES MAXIMUM IN
•
SURFACE FINISH: GROUND
•
LARGEST BORE DIAMETER: 0.5575 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
STYLE DESIGNATOR: GROOVED RACE SURFACE, BANDED OD
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.5575 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER1.2087 INCHES MINIMUM AND 1.2287 INCHES MAXIMUM IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
BORE SMALLEST DIAMETER0.5040 INCHES MINIMUM AND 0.5060 INCHES MAXIMUM IN
SURFACE FINISHGROUND
LARGEST BORE DIAMETER0.5575 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
STYLE DESIGNATORGROOVED RACE SURFACE, BANDED OD
MATERIALSTEEL OVERALL
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
76654K4Interchangeable
interchangeable cross-reference
interchangeable
7665K4Interchangeable
interchangeable cross-reference
interchangeable
A2301Interchangeable
interchangeable cross-reference
interchangeable
HD6-600HInterchangeable
Same NIIN cross-reference
interchangeable
OADEInterchangeable
Same NIIN cross-reference
interchangeable
0ADEInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2301?
A2301 is a SWITCH,TOGGLE.
What parts can replace A2301?
There are 8 known substitutes for A2301: 76654K4, 7665K4, A2301 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A2301?
A2301 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-8512. 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