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NC-25-1 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

NC-25-1: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: IRON CAST HOUSING, seal_type: LABYRINTH, block_type: FIXED, base_length: 0.766 INCHES NOMINAL IN, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, bore_diameter: 1.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-394-1981, 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
NC-25-1
NSN: 3130-01-394-1981
FSC: 3130 — Bearings, Mounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialIRON CAST HOUSING
seal_typeLABYRINTH
block_typeFIXED
base_length0.766 INCHES NOMINAL IN
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
bore_diameter1.0000 INCHES NOMINAL IN
housing_width5.500 INCHES NOMINAL IN
seal_locationBOTH ENDS
base_thickness0.590 INCHES NOMINAL IN
housing_height2.810 INCHES NOMINAL IN
style_designatorPILLOW BLOCK, SOLID
surface_treatmentCHROMIUM HOUSING
NSN3130-01-394-1981
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: NC-25-1 · 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
•
SEAL TYPE: LABYRINTH
•
TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
•
LUBRICATION FITTING TYPE: PIPE PLUG
•
ASSEMBLY OVERALL LENGTH: 1.440 INCHES NOMINAL IN
•
HOUSING HEIGHT: 2.810 INCHES NOMINAL IN
•
SEAL LOCATION: BOTH ENDS
•
BLOCK TYPE: FIXED
•
STYLE DESIGNATOR: PILLOW BLOCK, SOLID
TECHNICAL CHARACTERISTICS
SEAL TYPELABYRINTH
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
LUBRICATION FITTING TYPEPIPE PLUG
ASSEMBLY OVERALL LENGTH1.440 INCHES NOMINAL IN
HOUSING HEIGHT2.810 INCHES NOMINAL IN
SEAL LOCATIONBOTH ENDS
BLOCK TYPEFIXED
STYLE DESIGNATORPILLOW BLOCK, SOLID
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH4.562 INCHES NOMINAL IN
HOUSING WIDTH5.500 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
SUBSTITUTES & CROSS-REFERENCES 1
A3142901Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 NC-25-1?
NC-25-1 is a BEARING UNIT,BALL.
What parts can replace NC-25-1?
There is 1 known substitute for NC-25-1: A3142901. Substitute compatibility should be verified for your specific system.
What is the NSN for NC-25-1?
NC-25-1 is cataloged in the U.S. Government catalog under NSN 3130-01-394-1981. This indicates validated use in U.S. government and defense supply chains.
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