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T1012BRRLB3-4 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

T1012BRRLB3-4: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seal_type: CONTACT, bore_diameter: 0.7500 INCHES NOMINAL IN, housing_width: 3.3440 INCHES NOMINAL IN, housing_length: 1.3590 INCHES NOMINAL IN, shaft_end_type: OPEN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-980-4548, 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
T1012BRRLB3-4
NSN: 3130-00-980-4548
FSC: 3130 — Bearings, Mounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seal_typeCONTACT
bore_diameter0.7500 INCHES NOMINAL IN
housing_width3.3440 INCHES NOMINAL IN
housing_length1.3590 INCHES NOMINAL IN
shaft_end_typeOPEN
collar_locationONE END
flange_thickness0.4380 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
mounting_hole_typeROUND, UNTHREADED
bolt_circle_diameter2.5000 INCHES NOMINAL IN
load_capability_typeRADIAL
NSN3130-00-980-4548
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: T1012BRRLB3-4 · 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
•
SEAL TYPE: CONTACT
•
ASSEMBLY OVERALL LENGTH: 1.8120 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.4380 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
STYLE DESIGNATOR: FLANGE BLOCK
•
MOUNTING HOLE DIAMETER: 0.3750 INCHES NOMINAL IN
•
COLLAR LOCATION: ONE END
•
HOUSING WIDTH: 3.3440 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SEAL TYPECONTACT
ASSEMBLY OVERALL LENGTH1.8120 INCHES NOMINAL IN
FLANGE THICKNESS0.4380 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
STYLE DESIGNATORFLANGE BLOCK
MOUNTING HOLE DIAMETER0.3750 INCHES NOMINAL IN
COLLAR LOCATIONONE END
HOUSING WIDTH3.3440 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER2.5000 INCHES NOMINAL IN
SHAFT END TYPEOPEN
SUBSTITUTES & CROSS-REFERENCES 2
73648-19X2R1PC30Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LB3-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T1012BRRLB3-4?
T1012BRRLB3-4 is a BEARING UNIT,BALL.
What parts can replace T1012BRRLB3-4?
There are 2 known substitutes for T1012BRRLB3-4: 73648-19X2R1PC30, LB3-4. Substitute compatibility should be verified for your specific system.
What is the NSN for T1012BRRLB3-4?
T1012BRRLB3-4 is cataloged in the U.S. Government catalog under NSN 3130-00-980-4548. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.