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Technical Data Sheet

R12ZZST — Technical Data Sheet

✓ 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: RUBBER SYNTHETIC SEAL, bore_shape: STRAIGHT, bore_diameter: 0.7500 INCHES NOMINAL IN, overall_width: 0.4375 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-242-4866, 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
R12ZZST
NSN: 3110-00-242-4866
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAL
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_designationLOOSE
NSN3110-00-242-4866
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R12ZZST · 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 DIAMETER: 0.7500 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SEAL QUANTITY: 2
•
BEARING SEAL TYPE: CONTACT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
RETAINER FABRICATION METHOD: PRESSED
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
BORE DIAMETER0.7500 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
SEAL QUANTITY2
BEARING SEAL TYPECONTACT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
RETAINER FABRICATION METHODPRESSED
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
LUBRICATION MATERIALGREASE
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
990013-831InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3110PL0961315InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SSZ99R10InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
R-6-ZZ ABEC-I MIL-G-23827InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
125C3781-4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S3PPFS160BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R12ZZST?
R12ZZST is a BEARING,BALL,ANNULAR.
What parts can replace R12ZZST?
There are 15 known substitutes for R12ZZST: 990013-831, 3110PL0961315, SSZ99R10 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R12ZZST?
R12ZZST is cataloged in the Federal Logistics Information System under NSN 3110-00-242-4866. This indicates validated use in U.S. government and defense supply chains.
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