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Technical Data Sheet
PartsTable / COMPONENT / R1-5K3
R1-5K3 ✓ 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: 0.0937 INCHES NOMINAL IN, overall_width: 0.1094 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-277-0622, 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
R1-5K3
NSN: 3110-00-277-0622
FSC: 3110
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.0937 INCHES NOMINAL IN
overall_width0.1094 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
overall_outside_diameter0.3125 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.5
NSN3110-00-277-0622
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R1-5K3 · 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
•
INTERNAL CLEARANCE: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 0.0937 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
RETAINER FABRICATION METHOD: PRESSED
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
BORE DIAMETER0.0937 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO.5
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
OVERALL WIDTH0.1094 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
03712Interchangeable
interchangeable cross-reference
interchangeable
012.5-370Interchangeable
interchangeable cross-reference
interchangeable
1225768-111Interchangeable
Same NIIN cross-reference
interchangeable
R1-5Interchangeable
Same NIIN cross-reference
interchangeable
R1-5K24Interchangeable
Same NIIN cross-reference
interchangeable
5CK3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R1-5K3?
R1-5K3 is a BEARING,BALL,ANNULAR.
What parts can replace R1-5K3?
There are 6 known substitutes for R1-5K3: 03712, 012.5-370, 1225768-111 and 3 more. Substitute compatibility should be verified for your specific system.
Is R1-5K3 still available?
R1-5K3 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