PartsTable
Technical Data Sheet
Download PDF

HFR-4 — BEARING,PLAIN,ROD END

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

HFR-4: BEARING,PLAIN,ROD END.

The BEARING,PLAIN,ROD END is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY RACE INSERT, shank_style: INTERNALLY THREADED W/BEAD AND WRENCH FLATS, thread_class: 3B, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN, terminal_type: RECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT, overall_height: 15.600 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-235-9735, 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
HFR-4
NSN: 3120-01-235-9735
NIINs: 012359735, 015460598
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 73134 — ROLLER BEARING COMPANY OF AMERICA, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY RACE INSERT
shank_styleINTERNALLY THREADED W/BEAD AND WRENCH FLATS
thread_class3B
bore_diameter0.2495 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN
terminal_typeRECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT
overall_height15.600 INCHES NOMINAL IN
overall_length2.300 INCHES NOMINAL IN
mounting_methodBASE
thread_diameter0.250 INCHES NOMINAL IN
frequency_rating5.000 HERTZ MINIMUM SINGLE ANTENNA ELEMENT
special_featuresINDIVIDUALLY CALIBRATED,1 METER CALIBRATION INCLUDED
style_designatorBALL TYPE
NSN3120-01-235-9735
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: HFR-4 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SHANK THREAD LENGTH: 0.7500 INCHES MINIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
•
BORE CENTER TO SHANK END DISTANCE: 1.3020 INCHES MINIMUM AND 1.3230 INCHES MAXIMUM IN
•
INNER MEMBER WIDTH: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
•
OUTER MEMBER WIDTH: 0.2760 INCHES MINIMUM AND 0.2860 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BALL TYPE
•
THREAD DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK THREAD LENGTH0.7500 INCHES MINIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
BORE CENTER TO SHANK END DISTANCE1.3020 INCHES MINIMUM AND 1.3230 INCHES MAXIMUM IN
INNER MEMBER WIDTH0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
OUTER MEMBER WIDTH0.2760 INCHES MINIMUM AND 0.2860 INCHES MAXIMUM IN
STYLE DESIGNATORBALL TYPE
THREAD DIAMETER0.250 INCHES NOMINAL IN
OVERALL LENGTH1.6870 INCHES NOMINAL IN
LUBRICATION FEATURESELF-LUBRICATING LINER RACE LINER
SHANK WIDTH ACROSS WRENCH FLATS0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy HFR-4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is HFR-4?
HFR-4 is a BEARING,PLAIN,ROD END.
What is the NSN for HFR-4?
HFR-4 is cataloged in the U.S. Government catalog under NSN 3120-01-235-9735. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — HFR-4