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Technical Data Sheet
PartsTable / COMPONENT / 47-645-086-1
47-645-086-1 ✓ 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 INNER RING, bore_shape: STRAIGHT, bore_diameter: 1.1250 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 3110-00-159-9185, 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
47-645-086-1
NSN: 3110-00-159-9185
FSC: 3110
CAGE: 80070 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN ROTARY AND MISSION SYSTEMS DIV RMS- C6ISR (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 INNER RING
bore_shapeSTRAIGHT
bore_diameter1.1250 INCHES NOMINAL IN
overall_width0.3750 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0050 INCHES MAXIMUM AXIAL IN
overall_outside_diameter2.1250 INCHES NOMINAL IN
retainer_fabrication_methodSTAMPED
standard_tolerance_designationABEC NO.1
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE INNER RING
NSN3110-00-159-9185
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 47-645-086-1 · 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
•
RETAINER FABRICATION METHOD: STAMPED
•
MATERIAL: STEEL COMP E52100 INNER RING
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
RETAINER FABRICATION METHODSTAMPED
MATERIALSTEEL COMP E52100 INNER RING
STANDARD TOLERANCE DESIGNATIONABEC NO.1
MATERIALSTEEL COMP E52100 OUTER RING
BORE SHAPESTRAIGHT
MATERIALSTEEL RETAINER
MATERIALSTEEL COMP E52100 INNER RING
MATERIALSTEEL COMP E52100 BALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE BALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
R18X1AInterchangeable
Same NIIN cross-reference
interchangeable
047-645-086-001Interchangeable
Same NIIN cross-reference
interchangeable
S11RS848Interchangeable
Same NIIN cross-reference
interchangeable
47-645-086Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 47-645-086-1?
47-645-086-1 is a BEARING,BALL,ANNULAR.
What parts can replace 47-645-086-1?
There are 4 known substitutes for 47-645-086-1: R18X1A, 047-645-086-001, S11RS848 and 1 more. Substitute compatibility should be verified for your specific system.
Is 47-645-086-1 still available?
47-645-086-1 is currently cancelled.
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Last verified: July 2026