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312711 — ISOLATOR,RADIO FREQUENCY REFLECT

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

312711: ISOLATOR,RADIO FREQUENCY REFLECT.

ISOLATOR,RADIO FREQUENCY REFLECT. Key specifications include material: PLASTIC POLYESTER BODY, performance_type: HIGH CAPACITY, style_designator: PLAIN, cross-sectional_size: 12X, strengthening_feature: POLYESTER CORD, environmental_protection: HEAT RESISTANT AND OIL RESISTANT AND STATIC FREE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-554-3298, 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
312711
NSN: 3110-00-554-3298
NIINs: 005543298, 007253256
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 66821 — YALE SECURITY INC. DBA NORTON DOOR CONTROL (USA)
SPECIFICATIONS
materialPLASTIC POLYESTER BODY
performance_typeHIGH CAPACITY
style_designatorPLAIN
cross-sectional_size12X
strengthening_featurePOLYESTER CORD
environmental_protectionHEAT RESISTANT AND OIL RESISTANT AND STATIC FREE
nominal_effective_outside_length32.600 INCHES IN
NSN3110-00-554-3298
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 312711 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 1
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 80.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
SHIELD QUANTITY1
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH21.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER80.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SUBSTITUTES & CROSS-REFERENCES 8
307MFQ6B7Reference document
Same NSN cross-reference
Reference document — Secondary reference
E0240Reference document
Same NSN cross-reference
Reference document — Secondary reference
307WDReference document
Same NSN cross-reference
Reference document — Secondary reference
13Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST237Reference document
Same NSN cross-reference
Reference document — Secondary reference
1307SReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 312711?
312711 is a ISOLATOR,RADIO FREQUENCY REFLECT.
What parts can replace 312711?
There are 8 known substitutes for 312711: 307MFQ6B7, E0240, 307WD and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 312711?
312711 is cataloged in the U.S. Government catalog under NSN 3110-00-554-3298. This indicates validated use in U.S. government and defense supply chains.
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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.