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BRG143 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

BRG143: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: IRON CAST HOUSING, seal_type: CONTACT, base_length: 1.1250 INCHES NOMINAL IN, bore_diameter: 0.7500 INCHES NOMINAL IN, housing_width: 4.2500 INCHES NOMINAL IN, seal_location: BOTH ENDS. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-103-0710, 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
BRG143
NSN: 3130-00-103-0710
FSC: 3130 — Bearings, Mounted
CAGE: 60532 — TRANE U.S. INC. DBA THE TRANE CO DIV TRANE HEADQUARTERS (USA)
SPECIFICATIONS
materialIRON CAST HOUSING
seal_typeCONTACT
base_length1.1250 INCHES NOMINAL IN
bore_diameter0.7500 INCHES NOMINAL IN
housing_width4.2500 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness0.3750 INCHES NOMINAL IN
housing_height2.3750 INCHES NOMINAL IN
style_designatorPILLOW BLOCK, SOLID
features_providedGROUND ROLLING ELEMENT GROOVE
mounting_hole_typeROUND, UNTHREADED
NSN3130-00-103-0710
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: BRG143 · 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
•
LUBRICATION MATERIAL: GREASE
•
ASSEMBLY OVERALL LENGTH: 1.2500 INCHES NOMINAL IN
•
HOUSING HEIGHT: 2.3750 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
ROTATING ELEMENT LOCKING METHOD: DIRECT
•
SEAL LOCATION: BOTH ENDS
TECHNICAL CHARACTERISTICS
SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
ASSEMBLY OVERALL LENGTH1.2500 INCHES NOMINAL IN
HOUSING HEIGHT2.3750 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
MOUNTING HOLE TYPEROUND, UNTHREADED
ROTATING ELEMENT LOCKING METHODDIRECT
SEAL LOCATIONBOTH ENDS
STYLE DESIGNATORPILLOW BLOCK, SOLID
MOUNTING HOLE DIAMETER0.4375 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
S2109MReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BRG143?
BRG143 is a BEARING UNIT,BALL.
What parts can replace BRG143?
There is 1 known substitute for BRG143: S2109M. Substitute compatibility should be verified for your specific system.
What is the NSN for BRG143?
BRG143 is cataloged in the U.S. Government catalog under NSN 3130-00-103-0710. This indicates validated use in U.S. government and defense supply chains.
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