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RGR391EX1UL — BEARING,SHELL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

RGR391EX1UL: BEARING,SHELL.

The BEARING,SHELL is a the manufacturer industrial component. Key specifications include material: GLASS ENCLOSURE, overall_length: 0.250 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES NOMINAL IN, overall_diameter: 0.375 INCHES NOMINAL IN, precious_material: SILVER. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-391-5861, 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
RGR391EX1UL
NSN: 3110-00-391-5861
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
overall_length0.250 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length0.500 INCHES NOMINAL IN
overall_diameter0.375 INCHES NOMINAL IN
precious_materialSILVER
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
precious_material_and_locationTERMINAL SURFACES SILVER
NSN3110-00-391-5861
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RGR391EX1UL · 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
SUBSTITUTES & CROSS-REFERENCES 8
G6853PC156Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
G6853PC156-160Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
800373-156Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
G6863PC156-160Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1503209Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D2-7370PC24Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 RGR391EX1UL?
RGR391EX1UL is a BEARING,SHELL.
What parts can replace RGR391EX1UL?
There are 8 known substitutes for RGR391EX1UL: G6853PC156, G6853PC156-160, 800373-156 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RGR391EX1UL?
RGR391EX1UL is cataloged in the U.S. Government catalog under NSN 3110-00-391-5861. This indicates validated use in U.S. government and defense supply chains.
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