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Technical Data Sheet
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17018R1 — Technical Data Sheet

✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: TUBE COUPLING, nut_height: 0.750 INCHES NOMINAL IN, seat_angle: 45.00 DEGREES NOMINAL, thread_class: 2B, thread_series: UNF. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-100-6188, 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
17018R1
NSN: 3110-00-100-6188
FSC: 3110
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleTUBE COUPLING
nut_height0.750 INCHES NOMINAL IN
seat_angle45.00 DEGREES NOMINAL
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
length_to_shoulder0.439 INCHES NOMINAL IN
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES IN
smallest_inside_diameter0.375 INCHES NOMINAL IN
NSN3110-00-100-6188
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 17018R1 · 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
•
ROLLING ELEMENT DIAMETER: 0.5625 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR BALLS, GRADE 50
•
STYLE DESIGNATOR: BALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER0.5625 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR BALLS, GRADE 50
STYLE DESIGNATORBALL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
FF-B-187AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
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6A3PC51InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6A3-51InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4P94306-101AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6511InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
340InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 17018R1?
17018R1 is a MICROCIRCUIT,DIGITAL.
What parts can replace 17018R1?
There are 33 known substitutes for 17018R1: FF-B-187A, 6A3PC51, 6A3-51 and 30 more. Substitute compatibility should be verified for your specific system.
Is 17018R1 still available?
17018R1 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: September 2026