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R1909E3 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

R1909E3: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY RETAINER, bore_shape: STRAIGHT, bore_diameter: 1.7731 INCHES MINIMUM AND 1.7733 INCHES MAXIMUM IN, overall_width: 0.4674 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-152-5215, 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
R1909E3
NSN: 3110-00-152-5215
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY RETAINER
bore_shapeSTRAIGHT
bore_diameter1.7731 INCHES MINIMUM AND 1.7733 INCHES MAXIMUM IN
overall_width0.4674 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
end_item_identificationCRADLE21C6004G01 WHEN BALANCING COMPR ROTOR ASSY
overall_outside_diameter3.1099 INCHES MINIMUM AND 3.1102 INCHES MAXIMUM IN
standard_tolerance_designationABEC NO.5
NSN3110-00-152-5215
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R1909E3 · 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
•
LOCATING FEATURE: NONLOCATING
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 3.1099 INCHES MINIMUM AND 3.1102 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
TECHNICAL CHARACTERISTICS
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
OVERALL WIDTH0.4674 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER3.1099 INCHES MINIMUM AND 3.1102 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
END ITEM IDENTIFICATIONCRADLE21C6004G01 WHEN BALANCING COMPR ROTOR ASSY
STANDARD TOLERANCE DESIGNATIONABEC NO.5
BORE DIAMETER1.7731 INCHES MINIMUM AND 1.7733 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY RETAINER
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
21C6020P01Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R1909E3?
R1909E3 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace R1909E3?
There is 1 known substitute for R1909E3: 21C6020P01. Substitute compatibility should be verified for your specific system.
What is the NSN for R1909E3?
R1909E3 is cataloged in the U.S. Government catalog under NSN 3110-00-152-5215. This indicates validated use in U.S. government and defense supply chains.
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