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Technical Data Sheet
PartsTable / COMPONENT / NU312
NU312 ✓ 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,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL ROLLER, bore_shape: STRAIGHT, bore_diameter: 60.0 MILLIMETERS NOMINAL MM, overall_width: 31.00 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-967-2924, 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
NU312
NSN: 3110-00-967-2924
FSC: 3110
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL ROLLER
bore_shapeSTRAIGHT
bore_diameter60.0 MILLIMETERS NOMINAL MM
overall_width31.00 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE
overall_outside_diameter130.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.1
NSN3110-00-967-2924
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: NU312 · 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
•
OVERALL OUTSIDE DIAMETER: 130.00 MILLIMETERS NOMINAL MM
•
BORE DIAMETER: 60.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL ROLLER
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER130.00 MILLIMETERS NOMINAL MM
BORE DIAMETER60.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL ROLLER
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE
MATERIALCOPPER ALLOY RETAINER
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
RETAINER FABRICATION METHODMACHINED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
U1207TMInterchangeable
interchangeable cross-reference
interchangeable
75-1228X258Interchangeable
interchangeable cross-reference
interchangeable
1228X258Interchangeable
interchangeable cross-reference
interchangeable
502257Interchangeable
interchangeable cross-reference
interchangeable
R120EInterchangeable
interchangeable cross-reference
interchangeable
NUL20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NU312?
NU312 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace NU312?
There are 35 known substitutes for NU312: U1207TM, 75-1228X258, 1228X258 and 32 more. Substitute compatibility should be verified for your specific system.
Is NU312 still available?
NU312 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