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391243 — RING,BEARING,INNER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

391243: RING,BEARING,INNER.

The RING,BEARING,INNER is a the manufacturer industrial component. Key specifications include phase: SINGLE, overall_width: 9.000 INCHES NOMINAL IN, inclosure_type: ENCASED, overall_height: 5.250 INCHES NOMINAL IN, overall_length: 14.250 INCHES NOMINAL IN, basic_shape_style: RECTANGULAR OR SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-350-3007, 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
391243
NSN: 3110-00-350-3007
NIINs: 003503007, 004897513
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
phaseSINGLE
overall_width9.000 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height5.250 INCHES NOMINAL IN
overall_length14.250 INCHES NOMINAL IN
basic_shape_styleRECTANGULAR OR SQUARE
installation_designMECHANICAL
frequency_per_channel0.020 KILOHERTZ MINIMUM OPERATING CHANNEL AND 20.000 KILOHERTZ MAXIMUM OPERATING CHANNEL
average_life_measurementNOT RATED
circuit_construction_typeSOLID STATE
impedance_rating_per_channel0.250 KILOHMS INPUT CHANNEL
operating_ac_frequency_in_hertz50.0 MINIMUM SINGLE VOLTAGE AND 60.0 MAXIMUM SINGLE VOLTAGE
NSN3110-00-350-3007
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 391243 · 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
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
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MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
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OVERALL OUTSIDE DIAMETER: 0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
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BORE DIAMETER: 0.6255 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 8620H OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH2.2400 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
BORE DIAMETER0.6255 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
MATERIALSTEEL COMP 8620H OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
6P2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
18WW0234Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A226145Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
16ABC67Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 391243?
391243 is a RING,BEARING,INNER.
What parts can replace 391243?
There are 4 known substitutes for 391243: 6P2, 18WW0234, A226145 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 391243?
391243 is cataloged in the U.S. Government catalog under NSN 3110-00-350-3007. This indicates validated use in U.S. government and defense supply chains.
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