PartsTable
Technical Data Sheet
56603 ✓ 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: PLASTIC AND LEAD AND STEEL, bore_shape: STRAIGHT, design_type: MOBILE, foldability: NONFOLDABLE, window_width: 30.000 INCHES NOMINAL IN, bore_diameter: 0.6691 INCHES MINIMUM AND 0.6693 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 3110-00-109-7063, 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
56603
NSN: 3110-00-109-7063
FSC: 3110
CAGE: 93835 — PARKER HANNIFIN CORPORATION DIV HYDRAULIC SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialPLASTIC AND LEAD AND STEEL
quantity4
bore_shapeSTRAIGHT
design_typeMOBILE
foldabilityNONFOLDABLE
window_width30.000 INCHES NOMINAL IN
bore_diameter0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
overall_width2.500 FEET NOMINAL FT
window_length24.000 INCHES NOMINAL IN
load_directionRADIAL
overall_height6.000 FEET NOMINAL FT
surface_finishGROUND
NSN3110-00-109-7063
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 56603 · 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 COMP E52100 OUTER RING
INTERNAL FIT-UP DESIGNATION: STANDARD
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP E52100 OUTER RING
INTERNAL FIT-UP DESIGNATIONSTANDARD
STANDARD TOLERANCE DESIGNATIONABEC NO.3
MATERIALCOPPER ALLOY RETAINER
MATERIALSTEEL COMP E52100 INNER RING
MATERIALSTEEL COMP E52100 BALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
OVERALL OUTSIDE DIAMETER1.1808 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
56603Interchangeable
interchangeable cross-reference
interchangeable
LB-2430Interchangeable
interchangeable cross-reference
interchangeable
042-580Interchangeable
interchangeable cross-reference
interchangeable
55964Interchangeable
interchangeable cross-reference
interchangeable
1903S03-003CInterchangeable
Same NIIN cross-reference
interchangeable
1903S3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56603?
56603 is a BEARING,BALL,ANNULAR.
What parts can replace 56603?
There are 6 known substitutes for 56603: 56603, LB-2430, 042-580 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 56603?
56603 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-109-7063. This indicates validated use in U.S. government and defense supply chains.
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