PartsTable
Technical Data Sheet
321901 ✓ 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 overall_length: 0.319 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN, style_designator: RHOMBOID, CENTER PIVOT, material_thickness: 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN, length_from_pivot_pinhole_centerline_to_point_of_engagement: 0.157 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5345, 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
321901
NSN: 3110-00-156-5345
FSC: 3110
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
overall_length0.319 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
special_featuresDEPTH FROM PIVOT PINHOLE CENTERLINE TO POINT OF ENGAGEMENT:0.112 IN.MIN,0.122 IN.MAX;MATERIAL DOCUMENT AND CLASSIFICATION:STEEL COMP 420 IN
style_designatorRHOMBOID, CENTER PIVOT
material_thickness0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
length_from_pivot_pinhole_centerline_to_point_of_engagement0.157 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
NSN3110-00-156-5345
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 321901 · 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 DIAMETER: 70.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
LOAD DIRECTION: ANGULAR
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA: 125GR00 TYPE
MATERIAL: STEEL OVERALL
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER70.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONANGULAR
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA125GR00 TYPE
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
999F0722 PC 48Interchangeable
interchangeable cross-reference
interchangeable
72-6970-534Interchangeable
interchangeable cross-reference
interchangeable
5314Interchangeable
interchangeable cross-reference
interchangeable
S1449654Interchangeable
interchangeable cross-reference
interchangeable
662E715 PIECE 30Interchangeable
interchangeable cross-reference
interchangeable
31767HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 321901?
321901 is a BEARING,BALL,ANNULAR.
What parts can replace 321901?
There are 31 known substitutes for 321901: 999F0722 PC 48, 72-6970-534, 5314 and 28 more. Substitute compatibility should be verified for your specific system.
Is 321901 still available?
321901 is currently cancelled.
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