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JT66 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

JT66: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include bore_diameter: 0.3750 INCHES NOMINAL IN, overall_width: 0.3650 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN, alignment_type: RIGID, special_features: OIL HOLE IN OUTER RING, style_designator: NON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL, bearing_seal_type: CONTACT. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-007-1692, 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
JT66
NSN: 3110-01-007-1692
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
bore_diameter0.3750 INCHES NOMINAL IN
overall_width0.3650 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
seal_quantity1
alignment_typeRIGID
special_featuresOIL HOLE IN OUTER RING
style_designatorNON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL
bearing_seal_typeCONTACT
overall_outside_diameter0.5625 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-01-007-1692
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: JT66 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BEARING SEAL TYPE: CONTACT
•
STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL
•
OVERALL OUTSIDE DIAMETER: 0.5625 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
SEAL QUANTITY: 1
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL
OVERALL WIDTH0.3650 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.5625 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESOIL HOLE IN OUTER RING
SEAL QUANTITY1
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER0.3750 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
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 JT66?
JT66 is a BEARING,ROLLER,NEEDLE.
What is the NSN for JT66?
JT66 is cataloged in the U.S. Government catalog under NSN 3110-01-007-1692. This indicates validated use in U.S. government and defense supply chains.
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