SJ9688RR — BEARING,ROLLER,NEEDLE

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

SJ9688RR: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 3.9993 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM IN, overall_width: 1.9950 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN, alignment_type: RIGID, surface_finish: GROUND, style_designator: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-450-0339, 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

SJ9688RR

NSN: 3110-01-450-0339
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 51588 — RBC BEARINGS INCORPORATED DIV WEST TRENTON DIVISION (USA)

SPECIFICATIONS

material	STEEL OVERALL
bore_diameter	3.9993 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM IN
overall_width	1.9950 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
seal_quantity	2
alignment_type	RIGID
surface_finish	GROUND
style_designator	NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
bearing_seal_type	CONTACT
overall_outside_diameter	4.9990 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN
retainer_fabrication_method	PRESSED
standard_tolerance_designation	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN	3110-01-450-0339

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

BEARING SEAL TYPE: CONTACT

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND

•

OVERALL OUTSIDE DIAMETER: 4.9990 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN

•

ALIGNMENT TYPE: RIGID

•

SEAL QUANTITY: 2

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
BEARING SEAL TYPE	CONTACT
SURFACE FINISH	GROUND
STYLE DESIGNATOR	NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
OVERALL WIDTH	1.9950 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER	4.9990 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN
ALIGNMENT TYPE	RIGID
SEAL QUANTITY	2
STANDARD TOLERANCE DESIGNATION	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER	3.9993 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM 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 1

MR-64-SSReference document

Same NSN cross-reference

Reference document — Secondary reference

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 SJ9688RR?

SJ9688RR is a BEARING,ROLLER,NEEDLE.

What parts can replace SJ9688RR?

There is 1 known substitute for SJ9688RR: MR-64-SS. Substitute compatibility should be verified for your specific system.

What is the NSN for SJ9688RR?

SJ9688RR is cataloged in the U.S. Government catalog under NSN 3110-01-450-0339. This indicates validated use in U.S. government and defense supply chains.

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SJ9688RR — BEARING,ROLLER,NEEDLE

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