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Technical Data Sheet
PartsTable / COMPONENT / MR1310
MR1310 ✓ 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 CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 50.0 MILLIMETERS NOMINAL MM, overall_width: 27.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, special_features: NO(E. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-112-1273, 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
MR1310
NSN: 3110-00-112-1273
FSC: 3110
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter50.0 MILLIMETERS NOMINAL MM
overall_width27.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
special_featuresNO(E
style_designatorINNER RING, ROLLER, SINGLE LIP
smallest_outside_diameter2.5648 INCHES NOMINAL IN
standard_tolerance_designationRBEC NO.1
NSN3110-00-112-1273
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MR1310 · 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
•
SMALLEST OUTSIDE DIAMETER: 2.5648 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
•
BORE DIAMETER: 50.0 MILLIMETERS NOMINAL MM
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: INNER RING, ROLLER, SINGLE LIP
•
MATERIAL: STEEL OVERALL
•
BORE SHAPE: STRAIGHT
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
SMALLEST OUTSIDE DIAMETER2.5648 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
BORE DIAMETER50.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURESNO(E
SURFACE FINISHGROUND
STYLE DESIGNATORINNER RING, ROLLER, SINGLE LIP
MATERIALSTEEL OVERALL
BORE SHAPESTRAIGHT
OVERALL WIDTH27.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
16384Interchangeable
interchangeable cross-reference
interchangeable
380GX10Interchangeable
interchangeable cross-reference
interchangeable
65500 CODE 40395Interchangeable
interchangeable cross-reference
interchangeable
187095Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MR1310?
MR1310 is a CUP,TAPERED ROLLER BEARING.
What parts can replace MR1310?
There are 4 known substitutes for MR1310: 16384, 380GX10, 65500 CODE 40395 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MR1310?
MR1310 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-112-1273. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026