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Technical Data Sheet
PartsTable / COMPONENT / R8ZZ20
R8ZZ20 ✓ 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 bore_shape: STRAIGHT, load_direction: RADIAL, surface_finish: GROUND, lubrication_material: GREASE, internal_fit-up_designation: STANDARD, retainer_fabrication_method: PRESSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-494-4478, 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
R8ZZ20
NSN: 3110-00-494-4478
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
seal_quantity2
load_directionRADIAL
surface_finishGROUND
lubrication_materialGREASE
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-494-4478
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R8ZZ20 · 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
•
BORE SHAPE: STRAIGHT
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LUBRICATION MATERIAL: GREASE
•
LOAD DIRECTION: RADIAL
•
SEAL QUANTITY: 2
•
RETAINER FABRICATION METHOD: PRESSED
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
INTERNAL FIT-UP DESIGNATIONSTANDARD
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
SEAL QUANTITY2
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
12265597-1Interchangeable
interchangeable cross-reference
interchangeable
Z99R8Interchangeable
interchangeable cross-reference
interchangeable
Z99R8XR1CJInterchangeable
interchangeable cross-reference
interchangeable
42132-161Interchangeable
Same NIIN cross-reference
interchangeable
42132D161Interchangeable
Same NIIN cross-reference
interchangeable
S5PPFS168Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R8ZZ20?
R8ZZ20 is a BEARING,BALL,ANNULAR.
What parts can replace R8ZZ20?
There are 7 known substitutes for R8ZZ20: 12265597-1, Z99R8, Z99R8XR1CJ and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R8ZZ20?
R8ZZ20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-494-4478. 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