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MA246A — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

MA246A: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 4.3329 INCHES NOMINAL IN, overall_width: 1.4375 INCHES NOMINAL IN, surface_finish: GROUND, locating_feature: ONE DIRECTION. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-280-3233, 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
MA246A
NSN: 3110-00-280-3233
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter4.3329 INCHES NOMINAL IN
overall_width1.4375 INCHES NOMINAL IN
surface_finishGROUND
locating_featureONE DIRECTION
style_designatorSINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
overall_outside_diameter60.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.1
NSN3110-00-280-3233
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MA246A · 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: MACHINED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LOCATING FEATURE: ONE DIRECTION
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 60.0 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOCATING FEATUREONE DIRECTION
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
OVERALL WIDTH1.4375 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER60.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
BORE DIAMETER4.3329 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MA246A?
MA246A is a BEARING,ROLLER,CYLINDRICAL.
What is the NSN for MA246A?
MA246A is cataloged in the U.S. Government catalog under NSN 3110-00-280-3233. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.