Bearing, Ball, Annular3110-01-166-7991

NSN 3110-01-166-7991 · NIIN 011667991

FSC 3110 — Bearings, Antifriction, Unmounted · FSG 31 — Bearings

Government record, cited

Also searched as 3110-01-166-7991 · 3110011667991 · NIIN 011667991 · 01-166-7991 · FSC 3110 Bearings, Antifriction, Unmounted · 3003DC · 3003DC

Nearby stock numbers ← 3110-01-166-7841 Bearing, Roller, Cylindrical · 3110-01-166-8143 Bearing →

3110-01-166-7991 — Bearings, Antifriction, Unmounted

Features

Bearing,ball,annular — FSC 3110
Retainer Fabrication Method: MOLDED
Bearing Seal Type: CONTACT
Internal Fit-Up Designation: STANDARD
Surface Finish: GROUND
Overall Outside Diameter: 0.8750 INCHES NOMINAL IN
Bore Shape: STRAIGHT
Load Direction: RADIAL

Identification

NSN: 3110-01-166-7991
NIIN: 011667991
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings

General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-166-7991, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3110-01-166-7991
Item Name	Bearing,ball,annular
FSC / FSG	3110 / 31 — Bearings, Antifriction, Unmounted
Status	ACTIVE
Retainer Fabrication Method	MOLDED
Bearing Seal Type	CONTACT
Internal Fit-Up Designation	STANDARD
Surface Finish	GROUND
Overall Outside Diameter	0.8750 INCHES NOMINAL IN
Bore Shape	STRAIGHT
Load Direction	RADIAL
Seal Quantity	2
Standard Tolerance Designation	ABEC NO.1
Bore Diameter	0.3125 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
3003DC	3/9 Design control — primary reference Skf Industries Inc Nice Bearing Products Div
3003DC	C/1 Advisory reference — outside the item-of-supply concept Skf Usa Inc.

No interchangeability data on file.

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

BEARING,ROLLER,NEEDLE

3110-00-001-1937

BEARING,ROLLER,NEEDLE

3110-00-001-1937

BEARING,ROLLER,NEEDLE

3110-00-001-1938

BEARING,BALL,AIRFRAME

3110-00-001-4661

CONE AND ROLLERS,TAPERED ROLLER

3110-00-001-4662

CUP,TAPERED ROLLER BEARING

3110-00-001-4689

BEARING,BALL,ANNULAR

3110-00-001-4722

BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-01-166-7991?

NSN 3110-01-166-7991 is a Bearing,ball,annular, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.

What are the specifications of 3110-01-166-7991?

Key specifications for 3110-01-166-7991: Retainer Fabrication Method: MOLDED; Bearing Seal Type: CONTACT; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3110-01-166-7991 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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