AT12SDA — BEARING,ROLLER,NEEDLE

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

AT12SDA: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include bore_diameter: 0.7500 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, special_features: BLACK OXIDE OUTER RACE,CADMIUM ALL OTHER EXPOSED SURFACES, features_provided: ALIGNING RING, overall_outside_diameter: 1.8750 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-184-5396, 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

AT12SDA

NSN: 3110-00-184-5396
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)

SPECIFICATIONS

bore_diameter	0.7500 INCHES NOMINAL IN
alignment_type	SELF-ALIGNING
special_features	BLACK OXIDE OUTER RACE,CADMIUM ALL OTHER EXPOSED SURFACES
features_provided	ALIGNING RING
overall_outside_diameter	1.8750 INCHES NOMINAL IN
standard_tolerance_designation	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN	3110-00-184-5396

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL OUTSIDE DIAMETER: 1.8750 INCHES NOMINAL IN

•

FEATURES PROVIDED: ALIGNING RING

•

ALIGNMENT TYPE: SELF-ALIGNING

•

STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS

•

BORE DIAMETER: 0.7500 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL OUTSIDE DIAMETER	1.8750 INCHES NOMINAL IN
FEATURES PROVIDED	ALIGNING RING
ALIGNMENT TYPE	SELF-ALIGNING
SPECIAL FEATURES	BLACK OXIDE OUTER RACE,CADMIUM ALL OTHER EXPOSED SURFACES
STANDARD TOLERANCE DESIGNATION	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER	0.7500 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

AT12SDAANG25Reference document

Same NSN cross-reference

Reference document — Secondary reference

AT125DAReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is AT12SDA?

AT12SDA is a BEARING,ROLLER,NEEDLE.

What parts can replace AT12SDA?

There are 2 known substitutes for AT12SDA: AT12SDAANG25, AT125DA. Substitute compatibility should be verified for your specific system.

What is the NSN for AT12SDA?

AT12SDA is cataloged in the U.S. Government catalog under NSN 3110-00-184-5396. This indicates validated use in U.S. government and defense supply chains.

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