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Technical Data Sheet
PartsTable / COMPONENT / R20X1A
R20X1A ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 1.2500 INCHES NOMINAL IN, overall_width: 0.3750 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-2917, 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
R20X1A
NSN: 3110-00-554-2917
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter1.2500 INCHES NOMINAL IN
overall_width0.3750 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter2.2500 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-554-2917
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R20X1A · 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: ABEC NO.1
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 2.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATIONSTANDARD
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER2.2500 INCHES NOMINAL IN
OVERALL WIDTH0.3750 INCHES NOMINAL IN
BORE DIAMETER1.2500 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
404Interchangeable
interchangeable cross-reference
interchangeable
70419Interchangeable
interchangeable cross-reference
interchangeable
70400Interchangeable
interchangeable cross-reference
interchangeable
23038Interchangeable
interchangeable cross-reference
interchangeable
710 6-40 UNFInterchangeable
interchangeable cross-reference
interchangeable
382 6-40 UNFInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R20X1A?
R20X1A is a BEARING,BALL,ANNULAR.
What parts can replace R20X1A?
There are 31 known substitutes for R20X1A: 404, 70419, 70400 and 28 more. Substitute compatibility should be verified for your specific system.
Is R20X1A still available?
R20X1A is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026