PartsTable
Technical Data Sheet
CYRB285 ✓ 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 CORROSION RESISTING RETAINER, bore_shape: STRAIGHT, bore_diameter: 0.1250 INCHES NOMINAL IN, overall_width: 0.1562 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 (FLIS) under NSN 3110-00-432-2540, 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
CYRB285
NSN: 3110-00-432-2540
FSC: 3110
CAGE: 05624 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING RETAINER
bore_shapeSTRAIGHT
bore_diameter0.1250 INCHES NOMINAL IN
overall_width0.1562 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
special_featuresAMOUNT OF LUBRICANT 20 MG PORM 20 PER CENT
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
internal_clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
NSN3110-00-432-2540
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: CYRB285 · 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
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-25013 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY: 2
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
BEARING SEAL TYPE: CONTACT
SURFACE FINISH: GROUND
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-25013 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY2
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
BEARING SEAL TYPECONTACT
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.5
SPECIAL FEATURESAMOUNT OF LUBRICANT 20 MG PORM 20 PER CENT
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
50504Interchangeable
interchangeable cross-reference
interchangeable
RF4012X48A5-12-20Interchangeable
interchangeable cross-reference
interchangeable
SR2SS5VCInterchangeable
interchangeable cross-reference
interchangeable
CYRB285-0-0-05Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CYRB285?
CYRB285 is a BEARING,BALL,ANNULAR.
What parts can replace CYRB285?
There are 4 known substitutes for CYRB285: 50504, RF4012X48A5-12-20, SR2SS5VC and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CYRB285?
CYRB285 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-432-2540. This indicates validated use in U.S. government and defense supply chains.
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