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Technical Data Sheet
PartsTable / COMPONENT / 311MF
311MF ✓ 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 diameter: 0.313 INCHES NOMINAL IN, material: STEEL OVERALL, bore_shape: STRAIGHT, body_length: 20.0 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, bore_diameter: 55.00 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3176, 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
311MF
NSN: 3110-00-554-3176
FSC: 3110
CAGE: 32537 — JOY GLOBAL UNDERGROUND MINING LLC (USA)
SPECIFICATIONS
diameter0.313 INCHES NOMINAL IN
materialSTEEL OVERALL
bore_shapeSTRAIGHT
body_length20.0 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
bore_diameter55.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MINIMUM
overall_width120.0 INCHES NOMINAL IN
pole_quantity2
terminal_typeSCREW
thread_length1.562 INCHES IN
load_directionANGULAR
NSN3110-00-554-3176
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 311MF · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
32507Interchangeable
interchangeable cross-reference
interchangeable
38337Interchangeable
interchangeable cross-reference
interchangeable
1607XInterchangeable
interchangeable cross-reference
interchangeable
AA59589-207JABTInterchangeable
interchangeable cross-reference
interchangeable
A-A-59589Interchangeable
interchangeable cross-reference
interchangeable
73-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 311MF?
311MF is a BEARING,BALL,ANNULAR.
What parts can replace 311MF?
There are 26 known substitutes for 311MF: 32507, 38337, 1607X and 23 more. Substitute compatibility should be verified for your specific system.
Is 311MF still available?
311MF 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