S12NPPA3275 — BEARING,BALL,ANNULAR

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

S12NPPA3275: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 INNER RING, bore_shape: STRAIGHT, bore_diameter: 1.2500 INCHES NOMINAL IN, overall_width: 0.5000 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-160-2182, 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

S12NPPA3275

NSN: 3110-01-160-2182
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)

SPECIFICATIONS

material	STEEL COMP E52100 INNER RING
bore_shape	STRAIGHT
bore_diameter	1.2500 INCHES NOMINAL IN
overall_width	0.5000 INCHES NOMINAL IN
seal_quantity	2
load_direction	RADIAL
surface_finish	GROUND
special_features	25.0 PORM 5.0 PCT FULL OF SPECIFIED GREASE
style_designator	NON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_type	CONTACT
surface_treatment	NICKEL AND CHROMIUM OUTER RING
lubrication_material	GREASE
NSN	3110-01-160-2182

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

BEARING SEAL TYPE: CONTACT

•

LUBRICATION MATERIAL: GREASE

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-C-390,CLASS 1,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE INNER RING

•

INTERNAL FIT-UP DESIGNATION: STANDARD

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
BEARING SEAL TYPE	CONTACT
LUBRICATION MATERIAL	GREASE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-390,CLASS 1,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE INNER RING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-390,CLASS 1,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING
INTERNAL FIT-UP DESIGNATION	STANDARD
SURFACE FINISH	GROUND
STYLE DESIGNATOR	NON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OUTER RING

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

176C2461-23Reference document

Same NSN cross-reference

Reference document — Secondary reference

S12NPPEXPFS10160Reference 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 S12NPPA3275?

S12NPPA3275 is a BEARING,BALL,ANNULAR.

What parts can replace S12NPPA3275?

There are 2 known substitutes for S12NPPA3275: 176C2461-23, S12NPPEXPFS10160. Substitute compatibility should be verified for your specific system.

What is the NSN for S12NPPA3275?

S12NPPA3275 is cataloged in the U.S. Government catalog under NSN 3110-01-160-2182. This indicates validated use in U.S. government and defense supply chains.

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