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Technical Data Sheet
PartsTable / COMPONENT / M22643
M22643 ✓ 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN, overall_width: 0.4325 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-278-7283, 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
M22643
NSN: 3110-00-278-7283
FSC: 3110
CAGE: 03743 — EGS ELECTRICAL GROUP APPLETON DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
overall_width0.4325 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
NSN3110-00-278-7283
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M22643 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
BORE DIAMETER0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
OVERALL WIDTH0.4325 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
OVERALL OUTSIDE DIAMETER1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
30935Interchangeable
interchangeable cross-reference
interchangeable
12283372Interchangeable
interchangeable cross-reference
interchangeable
3093 PIECE 5Interchangeable
interchangeable cross-reference
interchangeable
3093Interchangeable
interchangeable cross-reference
interchangeable
1623NSInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M22643?
M22643 is a BEARING,BALL,ANNULAR.
What parts can replace M22643?
There are 5 known substitutes for M22643: 30935, 12283372, 3093 PIECE 5 and 2 more. Substitute compatibility should be verified for your specific system.
Is M22643 still available?
M22643 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