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R1917EX4 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

R1917EX4: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include bore_diameter: 3.6822 INCHES NOMINAL IN, outer_ring_width: 0.7087 INCHES NOMINAL IN, style_designator: SINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE, end_item_identification: AH-1W W, overall_outside_diameter: 4.7244 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-487-4733, 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
R1917EX4
NSN: 3110-01-487-4733
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
bore_diameter3.6822 INCHES NOMINAL IN
outer_ring_width0.7087 INCHES NOMINAL IN
style_designatorSINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE
end_item_identificationAH-1W W
overall_outside_diameter4.7244 INCHES NOMINAL IN
NSN3110-01-487-4733
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R1917EX4 · 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
•
OUTER RING WIDTH: 0.7087 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 4.7244 INCHES NOMINAL IN
•
BORE DIAMETER: 3.6822 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.7087 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER4.7244 INCHES NOMINAL IN
END ITEM IDENTIFICATIONAH-1W W
BORE DIAMETER3.6822 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 1
214-040-321-101Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R1917EX4?
R1917EX4 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace R1917EX4?
There is 1 known substitute for R1917EX4: 214-040-321-101. Substitute compatibility should be verified for your specific system.
What is the NSN for R1917EX4?
R1917EX4 is cataloged in the U.S. Government catalog under NSN 3110-01-487-4733. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.