PartsTable
Technical Data Sheet
RI-1812R ✓ 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 COMP E52100 OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.5000 INCHES NOMINAL IN, overall_width: 0.2500 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-0020, 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
RI-1812R
NSN: 3110-00-554-0020
FSC: 3110
CAGE: 50294 — NEW HAMPSHIRE BALL BEARINGS INC DIV PRECISION DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
bore_shapeSTRAIGHT
bore_diameter0.5000 INCHES NOMINAL IN
overall_width0.2500 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter1.1250 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
material_document_and_classificationASTM A 295 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-00-554-0020
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RI-1812R · 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
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A 295 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
MATERIAL: STEEL COMP E52100 OVERALL
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
OVERALL OUTSIDE DIAMETER: 1.1250 INCHES NOMINAL IN
LOAD DIRECTION: RADIAL
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.5000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A 295 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL COMP E52100 OVERALL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OVERALL OUTSIDE DIAMETER1.1250 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
R8-1B1-02Interchangeable
interchangeable cross-reference
interchangeable
R11812Interchangeable
interchangeable cross-reference
interchangeable
R8Interchangeable
interchangeable cross-reference
interchangeable
S-5KInterchangeable
interchangeable cross-reference
interchangeable
000-01791-014Interchangeable
Same NIIN cross-reference
interchangeable
AA59644Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RI-1812R?
RI-1812R is a BEARING,BALL,ANNULAR.
What parts can replace RI-1812R?
There are 10 known substitutes for RI-1812R: R8-1B1-02, R11812, R8 and 7 more. Substitute compatibility should be verified for your specific system.
Is RI-1812R still available?
RI-1812R is currently cancelled.
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