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Technical Data Sheet
PartsTable / COMPONENT / R12ZZ1BEC1
R12ZZ1BEC1 ✓ 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 INNER RING, bore_shape: STRAIGHT, bore_diameter: 0.7500 INCHES NOMINAL IN, overall_width: 0.4375 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-830-4282, 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
R12ZZ1BEC1
NSN: 3110-00-830-4282
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter0.7500 INCHES NOMINAL IN
overall_width0.4375 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter1.6250 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
NSN3110-00-830-4282
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R12ZZ1BEC1 · 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
•
MATERIAL: STEEL INNER RING
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
BEARING SEAL TYPE: CONTACT
•
SEAL QUANTITY: 2
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL INNER RING
MATERIALRUBBER SYNTHETIC SEAL
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
BEARING SEAL TYPECONTACT
SEAL QUANTITY2
INTERNAL FIT-UP DESIGNATIONSTANDARD
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
FF-B-2844Interchangeable
interchangeable cross-reference
interchangeable
3TAR17-24UInterchangeable
interchangeable cross-reference
interchangeable
5189342Interchangeable
interchangeable cross-reference
interchangeable
1-210761-3Interchangeable
interchangeable cross-reference
interchangeable
30111Interchangeable
interchangeable cross-reference
interchangeable
W5939092PC24Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R12ZZ1BEC1?
R12ZZ1BEC1 is a BEARING,BALL,ANNULAR.
What parts can replace R12ZZ1BEC1?
There are 32 known substitutes for R12ZZ1BEC1: FF-B-2844, 3TAR17-24U, 5189342 and 29 more. Substitute compatibility should be verified for your specific system.
Is R12ZZ1BEC1 still available?
R12ZZ1BEC1 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