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Technical Data Sheet
PartsTable / COMPONENT / 2503ROLE6212B
2503ROLE6212B ✓ 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 OUTER RING, bore_shape: STRAIGHT, bore_diameter: 60.0 MILLIMETERS NOMINAL MM, overall_width: 2.8750 INCHES NOMINAL IN, surface_finish: GROUND, locating_feature: NONLOCATING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1407, 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
2503ROLE6212B
NSN: 3110-00-156-1407
FSC: 3110
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter60.0 MILLIMETERS NOMINAL MM
overall_width2.8750 INCHES NOMINAL IN
surface_finishGROUND
locating_featureNONLOCATING
style_designatorDOUBLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, SEPARABLE
overall_outside_diameter110.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationRBEC NO.1
NSN3110-00-156-1407
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2503ROLE6212B · 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
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL OUTER RING
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 60.0 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
•
LOCATING FEATURE: NONLOCATING
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
MATERIALSTEEL OUTER RING
MATERIALSTEEL ROLLER
BORE SHAPESTRAIGHT
BORE DIAMETER60.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
OVERALL WIDTH2.8750 INCHES NOMINAL IN
LOCATING FEATURENONLOCATING
MATERIALSTEEL INNER RING
STYLE DESIGNATORDOUBLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
418-00014Interchangeable
interchangeable cross-reference
interchangeable
318-50Interchangeable
interchangeable cross-reference
interchangeable
218-50AInterchangeable
interchangeable cross-reference
interchangeable
MDC1255-1Interchangeable
interchangeable cross-reference
interchangeable
59A5A28-1Interchangeable
interchangeable cross-reference
interchangeable
402073-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2503ROLE6212B?
2503ROLE6212B is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 2503ROLE6212B?
There are 10 known substitutes for 2503ROLE6212B: 418-00014, 318-50, 218-50A and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2503ROLE6212B?
2503ROLE6212B is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1407. 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