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Technical Data Sheet

6T-1-1/4S — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

6T-1-1/4S: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, block_type: FIXED, bore_diameter: 1.2500 INCHES NOMINAL IN, alignment_type: RIGID, housing_length: 1.344 INCHES NOMINAL IN, collar_location: ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-588-2128, 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
6T-1-1/4S
NSN: 3130-01-588-2128
FSC: 3130 — Bearings, Mounted
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
block_typeFIXED
bore_diameter1.2500 INCHES NOMINAL IN
alignment_typeRIGID
housing_length1.344 INCHES NOMINAL IN
collar_locationONE END
flange_thickness0.562 INCHES NOMINAL IN
housing_diameter3.297 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
bolt_circle_diameter4.594 INCHES NOMINAL IN
load_capability_typeRADIAL
assembly_overall_length2.000 INCHES NOMINAL IN
NSN3130-01-588-2128
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 6T-1-1/4S · 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 FITTING TYPE: PIPE PLUG
•
ASSEMBLY OVERALL LENGTH: 2.000 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.562 INCHES NOMINAL IN
•
ROTATING ELEMENT LOCKING METHOD: ECCENTRIC CAM LOCKING COLLAR
•
BLOCK TYPE: FIXED
•
STYLE DESIGNATOR: FLANGE BLOCK
•
COLLAR LOCATION: ONE END
•
OVERALL OUTSIDE DIAMETER: 5.594 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LUBRICATION FITTING TYPEPIPE PLUG
ASSEMBLY OVERALL LENGTH2.000 INCHES NOMINAL IN
FLANGE THICKNESS0.562 INCHES NOMINAL IN
ROTATING ELEMENT LOCKING METHODECCENTRIC CAM LOCKING COLLAR
BLOCK TYPEFIXED
STYLE DESIGNATORFLANGE BLOCK
COLLAR LOCATIONONE END
OVERALL OUTSIDE DIAMETER5.594 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
ROLLING ELEMENT GROOVE QUANTITY1
SUBSTITUTES & CROSS-REFERENCES 1
06998Same 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 6T-1-1/4S?
6T-1-1/4S is a BEARING UNIT,BALL.
What parts can replace 6T-1-1/4S?
There is 1 known substitute for 6T-1-1/4S: 06998. Substitute compatibility should be verified for your specific system.
What is the NSN for 6T-1-1/4S?
6T-1-1/4S is cataloged in the U.S. Government catalog under NSN 3130-01-588-2128. 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.