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Technical Data Sheet
PartsTable / COMPONENT / 520653
520653 ✓ 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

NOZZLE,TURBINE,NONAIRCRAFT GAS T. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, outside_diameter: 0.624 INCHES NOMINAL IN, center_hole_diameter: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN, cross-sectional_height: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-203-4302, 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
520653
NSN: 3110-00-203-4302
FSC: 3110
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
outside_diameter0.624 INCHES NOMINAL IN
center_hole_diameter0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
cross-sectional_height0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
NSN3110-00-203-4302
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 520653 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
SEAL QUANTITY: 2
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: 44,FSCM 71984 MIL SPEC 2ND MATERIAL RESPONSE
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL FIT-UP DESIGNATIONSTANDARD
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SEAL QUANTITY2
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION44,FSCM 71984 MIL SPEC 2ND MATERIAL RESPONSE
SPECIAL FEATURESBLACK OXIDE FINISH ALL STEEL SURFACES,PER A SPEC5702,TYPE 111,CLASS A
LOAD DIRECTIONRADIAL
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
H2227-256Interchangeable
interchangeable cross-reference
interchangeable
H-2227 PIECE 256Interchangeable
interchangeable cross-reference
interchangeable
MS52WGULInterchangeable
interchangeable cross-reference
interchangeable
2-164C1124-70Interchangeable
interchangeable cross-reference
interchangeable
3-906C557-7Interchangeable
interchangeable cross-reference
interchangeable
AS568B-906Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 520653?
520653 is a NOZZLE,TURBINE,NONAIRCRAFT GAS T.
What parts can replace 520653?
There are 9 known substitutes for 520653: H2227-256, H-2227 PIECE 256, MS52WGUL and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 520653?
520653 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-203-4302. 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