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Technical Data Sheet

VAK1 1/4 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

VAK1 1/4: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include seal_type: CONTACT, bore_diameter: 1.2500 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, special_features: ROUND ROLLING ELEMENT GROOVE, mounting_hole_type: SLOTTED, mounting_slot_width: 0.4375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-366-6667, 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
VAK1 1/4
NSN: 3130-01-366-6667
FSC: 3130 — Bearings, Mounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
seal_typeCONTACT
bore_diameter1.2500 INCHES NOMINAL IN
alignment_typeSELF-ALIGNING
special_featuresROUND ROLLING ELEMENT GROOVE
mounting_hole_typeSLOTTED
mounting_slot_width0.4375 INCHES NOMINAL IN
load_capability_typeRADIAL
lubrication_materialGREASE
mounting_slot_length0.8125 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
rolling_element_groove_quantity2
rotating_element_locking_methodECCENTRIC CAM LOCKING COLLAR
NSN3130-01-366-6667
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: VAK1 1/4 · 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
•
LUBRICATION MATERIAL: GREASE
•
MOUNTING SLOT LENGTH: 0.8125 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
MOUNTING HOLE TYPE: SLOTTED
•
ROTATING ELEMENT LOCKING METHOD: ECCENTRIC CAM LOCKING COLLAR
•
ALIGNMENT TYPE: SELF-ALIGNING
•
ROLLING ELEMENT GROOVE QUANTITY: 2
TECHNICAL CHARACTERISTICS
SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
MOUNTING SLOT LENGTH0.8125 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
MOUNTING HOLE TYPESLOTTED
ROTATING ELEMENT LOCKING METHODECCENTRIC CAM LOCKING COLLAR
ALIGNMENT TYPESELF-ALIGNING
ROLLING ELEMENT GROOVE QUANTITY2
SPECIAL FEATURESROUND ROLLING ELEMENT GROOVE
BORE DIAMETER1.2500 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

No substitute or cross-reference records for this part.

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 VAK1 1/4?
VAK1 1/4 is a BEARING UNIT,BALL.
What is the NSN for VAK1 1/4?
VAK1 1/4 is cataloged in the U.S. Government catalog under NSN 3130-01-366-6667. This indicates validated use in U.S. government and defense supply chains.
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