PartsTable
Technical Data Sheet
311MFG ✓ 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 INNER RING, bore_shape: STRAIGHT, bore_diameter: 55.00 MILLIMETERS NOMINAL MM, overall_width: 29.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6763, 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
311MFG
NSN: 3110-00-155-6763
FSC: 3110
CAGE: 63734 — KAITLIN CORP (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter55.00 MILLIMETERS NOMINAL MM
overall_width29.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
shield_quantity1
style_designatorLOADING GROOVE, NON-SEPARABLE
features_providedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
overall_outside_diameter120.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN3110-00-155-6763
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 311MFG · 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
FEATURES PROVIDED: SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
LOAD DIRECTION: RADIAL
MATERIAL: STEEL BALL
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
OVERALL WIDTH29.0 MILLIMETERS NOMINAL MM
LOAD DIRECTIONRADIAL
MATERIALSTEEL BALL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL SHIELD
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
6311ZNRJInterchangeable
interchangeable cross-reference
interchangeable
147-311-2Interchangeable
interchangeable cross-reference
interchangeable
311KDGInterchangeable
interchangeable cross-reference
interchangeable
MS90725-59Interchangeable
interchangeable cross-reference
interchangeable
5305PL0571568Interchangeable
interchangeable cross-reference
interchangeable
209-4510945-29AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 311MFG?
311MFG is a BEARING,BALL,ANNULAR.
What parts can replace 311MFG?
There are 21 known substitutes for 311MFG: 6311ZNRJ, 147-311-2, 311KDG and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 311MFG?
311MFG is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6763. This indicates validated use in U.S. government and defense supply chains.
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