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A4725 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A4725: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: STEEL BALL, block_type: FIXED, temp_rating: -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF, bore_diameter: 2.0000 INCHES NOMINAL IN, housing_width: 8.875 INCHES NOMINAL IN, seal_location: BOTH ENDS. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-310-5853, 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
A4725
NSN: 3130-01-310-5853
NIINs: 013105853, 016592292
FSC: 3130 — Bearings, Mounted
CAGE: 12437 — THERN INC (USA)
SPECIFICATIONS
materialSTEEL BALL
block_typeFIXED
temp_rating-65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
bore_diameter2.0000 INCHES NOMINAL IN
housing_width8.875 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness1.000 INCHES NOMINAL IN
housing_height4.969 INCHES NOMINAL IN
housing_length2.312 INCHES NOMINAL IN
style_designatorPILLOW BLOCK, SOLID
load_capability_typeRADIAL AND THRUST
NSN3130-01-310-5853
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A4725 · 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
•
LUBRICATION MATERIAL: GREASE
•
TEMP RATING: -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
•
HOUSING HEIGHT: 4.969 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
ROTATING ELEMENT LOCKING METHOD: DIRECT
•
SEAL LOCATION: BOTH ENDS
•
BLOCK TYPE: FIXED
•
STYLE DESIGNATOR: PILLOW BLOCK, SOLID
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
TEMP RATING-65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
HOUSING HEIGHT4.969 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
ROTATING ELEMENT LOCKING METHODDIRECT
SEAL LOCATIONBOTH ENDS
BLOCK TYPEFIXED
STYLE DESIGNATORPILLOW BLOCK, SOLID
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH6.312 INCHES MINIMUM AND 7.500 INCHES MAXIMUM IN
HOUSING WIDTH8.875 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
C-35-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
SA2262 ITEM 5Reference 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 A4725?
A4725 is a BEARING UNIT,BALL.
What parts can replace A4725?
There are 2 known substitutes for A4725: C-35-2, SA2262 ITEM 5. Substitute compatibility should be verified for your specific system.
What is the NSN for A4725?
A4725 is cataloged in the U.S. Government catalog under NSN 3130-01-310-5853. This indicates validated use in U.S. government and defense supply chains.
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