PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1R566432
1R566432 ✓ 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 RING,BEARING,INNER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 3.5000 INCHES NOMINAL IN, overall_width: 2.0000 INCHES NOMINAL IN, surface_finish: GROUND, special_features: OIL HOLE AND GROOVE IN ID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-1193, 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
1R566432
NSN: 3110-00-198-1193
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter3.5000 INCHES NOMINAL IN
overall_width2.0000 INCHES NOMINAL IN
surface_finishGROUND
special_featuresOIL HOLE AND GROOVE IN ID
style_designatorSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
overall_outside_diameter4.0000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-198-1193
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1R566432 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
BORE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
•
OVERALL OUTSIDE DIAMETER: 4.0000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE SHAPESTRAIGHT
OVERALL WIDTH2.0000 INCHES NOMINAL IN
STYLE DESIGNATORSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
SPECIAL FEATURESOIL HOLE AND GROOVE IN ID
OVERALL OUTSIDE DIAMETER4.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SURFACE FINISHGROUND
BORE DIAMETER3.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
AA2074/4BInterchangeable
interchangeable cross-reference
interchangeable
H-B-1490Interchangeable
interchangeable cross-reference
interchangeable
7920000610038Interchangeable
interchangeable cross-reference
interchangeable
40-54000Interchangeable
interchangeable cross-reference
interchangeable
F6167PT634Interchangeable
Same NIIN cross-reference
interchangeable
IR9688CInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1R566432?
1R566432 is a RING,BEARING,INNER.
What parts can replace 1R566432?
There are 8 known substitutes for 1R566432: AA2074/4B, H-B-1490, 7920000610038 and 5 more. Substitute compatibility should be verified for your specific system.
Is 1R566432 still available?
1R566432 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026