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Technical Data Sheet
PartsTable / COMPONENT / 51111-5-2
51111-5-2 ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 12.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM, overall_width: 10.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-6732, 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
51111-5-2
NSN: 3110-00-156-6732
FSC: 3110
CAGE: 31922 — LEEDS AND NORTHRUP CO A UNIT OF GENERAL SIGNAL CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter12.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width10.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter32.00 MILLIMETERS NOMINAL MM
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-156-6732
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 51111-5-2 · 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
•
CONTACT ANGLE: 25.0 DEGREES MAXIMUM
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
LOAD DIRECTION: ANGULAR
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT ANGLE25.0 DEGREES MAXIMUM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONANGULAR
OVERALL WIDTH10.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
CONTACT ANGLE25.0 DEGREES MAXIMUM
MATERIALSTEEL OVERALL
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
7201KInterchangeable
interchangeable cross-reference
interchangeable
7201-KZQInterchangeable
interchangeable cross-reference
interchangeable
51-011-0019Interchangeable
interchangeable cross-reference
interchangeable
700241Interchangeable
interchangeable cross-reference
interchangeable
73-805193-6Interchangeable
interchangeable cross-reference
interchangeable
10111293Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51111-5-2?
51111-5-2 is a BEARING,BALL,ANNULAR.
What parts can replace 51111-5-2?
There are 17 known substitutes for 51111-5-2: 7201K, 7201-KZQ, 51-011-0019 and 14 more. Substitute compatibility should be verified for your specific system.
Is 51111-5-2 still available?
51111-5-2 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026