139C7757-1 — BEARING,ROLLER,NEEDLE

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

139C7757-1: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEAL, bore_diameter: 0.3750 INCHES NOMINAL IN, overall_width: 0.4370 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, style_designator: NON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-259-0757, 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

139C7757-1

NSN: 3110-00-259-0757
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 5XMS1 — JTEKT BEARINGS NORTH AMERICA LLC DIV KBNA - ORD 1 (USA)

SPECIFICATIONS

material	RUBBER SYNTHETIC SEAL
bore_diameter	0.3750 INCHES NOMINAL IN
overall_width	0.4370 INCHES NOMINAL IN
seal_quantity	2
alignment_type	RIGID
surface_finish	GROUND
style_designator	NON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL
bearing_seal_type	CONTACT
lubrication_material	GREASE
overall_outside_diameter	0.5620 INCHES NOMINAL IN
standard_tolerance_designation	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
lubrication_material_document_and_classification	MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN	3110-00-259-0757

COMPONENT DIAGRAM

KEY FEATURES

•

BEARING SEAL TYPE: CONTACT

•

LUBRICATION MATERIAL: GREASE

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL

•

OVERALL OUTSIDE DIAMETER: 0.5620 INCHES NOMINAL IN

•

ALIGNMENT TYPE: RIGID

•

SEAL QUANTITY: 2

TECHNICAL CHARACTERISTICS

BEARING SEAL TYPE	CONTACT
LUBRICATION MATERIAL	GREASE
SURFACE FINISH	GROUND
STYLE DESIGNATOR	NON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL
OVERALL WIDTH	0.4370 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	0.5620 INCHES NOMINAL IN
ALIGNMENT TYPE	RIGID
SEAL QUANTITY	2
STANDARD TOLERANCE DESIGNATION	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER	0.3750 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 2

10107368Reference document

Same NSN cross-reference

Reference document — Informative reference only

JTT67Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 139C7757-1?

139C7757-1 is a BEARING,ROLLER,NEEDLE.

What parts can replace 139C7757-1?

There are 2 known substitutes for 139C7757-1: 10107368, JTT67. Substitute compatibility should be verified for your specific system.

What is the NSN for 139C7757-1?

139C7757-1 is cataloged in the U.S. Government catalog under NSN 3110-00-259-0757. This indicates validated use in U.S. government and defense supply chains.

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139C7757-1 — BEARING,ROLLER,NEEDLE

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