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Technical Data Sheet
PartsTable / COMPONENT / MT315WIR
MT315WIR ✓ 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 BALL, bore_shape: STRAIGHT, bore_diameter: 75.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 2.6875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-9565, 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
MT315WIR
NSN: 3110-00-155-9565
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter75.00 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
inner_ring_width2.6875 INCHES NOMINAL IN
outer_ring_width37.00 MILLIMETERS NOMINAL MM
style_designatorLOADING GROOVE, NON-SEPARABLE
overall_outside_diameter160.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN3110-00-155-9565
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MT315WIR · 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
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
•
MATERIAL: STEEL BALL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
OUTER RING WIDTH: 37.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
MATERIALSTEEL BALL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
INTERNAL FIT-UP DESIGNATIONSTANDARD
OUTER RING WIDTH37.00 MILLIMETERS NOMINAL MM
BORE DIAMETER75.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
54X549Interchangeable
interchangeable cross-reference
interchangeable
N7460XInterchangeable
interchangeable cross-reference
interchangeable
331028Interchangeable
interchangeable cross-reference
interchangeable
829790Interchangeable
interchangeable cross-reference
interchangeable
4315Interchangeable
interchangeable cross-reference
interchangeable
MS17161-62Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MT315WIR?
MT315WIR is a BEARING,BALL,ANNULAR.
What parts can replace MT315WIR?
There are 27 known substitutes for MT315WIR: 54X549, N7460X, 331028 and 24 more. Substitute compatibility should be verified for your specific system.
Is MT315WIR still available?
MT315WIR 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