QB23928 — ROLLER,BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

QB23928: ROLLER,BEARING.

The ROLLER,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OR STEEL COMP E4340H OR STEEL COMP E52100 OVERALL, overall_length: 0.7440 INCHES MINIMUM AND 0.7460 INCHES MAXIMUM IN, style_designator: CYLINDRICAL ROLLER, FLAT ENDS, rolling_element_diameter: 0.4997 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, material_document_and_classification: 66,AISI/SAE E4340H FED STD 1ST MATERIAL RESPONSE OR 66,AISI/SAE E52100 FED STD 2ND MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-678-3445, 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

QB23928

NSN: 3110-00-678-3445
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)

SPECIFICATIONS

material	STEEL OR STEEL COMP E4340H OR STEEL COMP E52100 OVERALL
overall_length	0.7440 INCHES MINIMUM AND 0.7460 INCHES MAXIMUM IN
style_designator	CYLINDRICAL ROLLER, FLAT ENDS
rolling_element_diameter	0.4997 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
material_document_and_classification	66,AISI/SAE E4340H FED STD 1ST MATERIAL RESPONSE OR 66,AISI/SAE E52100 FED STD 2ND MATERIAL RESPONSE OVERALL
NSN	3110-00-678-3445

COMPONENT DIAGRAM

KEY FEATURES

•

ROLLING ELEMENT DIAMETER: 0.4997 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: CYLINDRICAL ROLLER, FLAT ENDS

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66,AISI/SAE E4340H FED STD 1ST MATERIAL RESPONSE OR 66,AISI/SAE E52100 FED STD 2ND MATERIAL RESPONSE OVERALL

•

MATERIAL: STEEL OR STEEL COMP E4340H OR STEEL COMP E52100 OVERALL

TECHNICAL CHARACTERISTICS

ROLLING ELEMENT DIAMETER	0.4997 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
STYLE DESIGNATOR	CYLINDRICAL ROLLER, FLAT ENDS
MATERIAL DOCUMENT AND CLASSIFICATION	66,AISI/SAE E4340H FED STD 1ST MATERIAL RESPONSE OR 66,AISI/SAE E52100 FED STD 2ND MATERIAL RESPONSE OVERALL
OVERALL LENGTH	0.7440 INCHES MINIMUM AND 0.7460 INCHES MAXIMUM IN
MATERIAL	STEEL OR STEEL COMP E4340H OR STEEL COMP E52100 OVERALL

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

6769607Reference 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 QB23928?

QB23928 is a ROLLER,BEARING.

What parts can replace QB23928?

There is 1 known substitute for QB23928: 6769607. Substitute compatibility should be verified for your specific system.

What is the NSN for QB23928?

QB23928 is cataloged in the U.S. Government catalog under NSN 3110-00-678-3445. This indicates validated use in U.S. government and defense supply chains.

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