PartsTable TECHNICAL DATA SHEET

NSN 3130-01-676-4979Government record, cited

Bearing Unit, Roller3130-01-676-4979

NSN 3130-01-676-4979 · NIIN 016764979 · Part number SD-BB58

TB Woods's Corporation · FSC 3130 — Bearings, Mounted · FSG 31 — Bearings · CAGE 79425

Government record, cited

NSN 3130-01-676-4979 — this item is cataloged by the U.S. Government under National Stock Number 3130-01-676-4979. Manufacturer of record part number: SD-BB58.

Also searched as 3130-01-676-4979 · 3130016764979 · NIIN 016764979 · 01-676-4979 · FSC 3130 Bearings, Mounted · CAGE 79425 · SD-BB58 · 593-8729130 REV - PC NO 50

Nearby stock numbers ← 3130-01-676-0206 Bearing Unit, Roller · 3130-01-676-5379 Housing, Bearing Unit →

3130-01-676-4979 — Bearings, Mounted

Features

Bearing Unit,roller — FSC 3130
Style Designator: FLANGE BLOCK
1 manufacturer part number on file
Manufacturer of record: TB Woods's Corporation

Identification

NSN: 3130-01-676-4979
NIIN: 016764979
FSC: 3130 — Bearings, Mounted
FSG: 31 — Bearings
Primary part number: SD-BB58
Manufacturer: TB Woods's Corporation

General Description

The Bearing Unit,roller, cataloged under National Stock Number 3130-01-676-4979, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is TB Woods's Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3130-01-676-4979
Primary Part Number	SD-BB58
Item Name	Bearing Unit,roller
FSC / FSG	3130 / 31 — Bearings, Mounted
Manufacturer	TB Woods's Corporation
Status	ACTIVE
Style Designator	FLANGE BLOCK

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

Part Number	Manufacturer
SD-BB58 PRIMARY	TB Woods's Corporation (USA)

Reference documents

Reference	Meaning
593-8729130 REV - PC NO 50	D/9 Drawing number reference only Naval Sea Systems Command

No interchangeability data on file.

Other items in FSC 3130 — Bearings, Mounted

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3130-00-001-5118

3130-00-001-5118 · Item name not on file

3130-00-001-5137

BEARING UNIT,BALL

3130-00-001-6585

3130-00-001-6585 · Item name not on file

3130-00-003-0422

3130-00-003-0422 · Item name not on file

3130-00-003-0455

3130-00-003-0455 · Item name not on file

3130-00-003-0794

BEARING UNIT,BALL

3130-00-003-2802

BEARING UNIT,BALL

3130-00-003-9535

3130-00-003-9535 · Item name not on file

Frequently Asked Questions

What is NSN 3130-01-676-4979?

NSN 3130-01-676-4979 is a Bearing Unit,roller, manufactured by TB Woods's Corporation, classified under FSC 3130, Bearings, Mounted. Status: active.

What part numbers are listed for NSN 3130-01-676-4979?

NSN 3130-01-676-4979 has 1 manufacturer part number on file: SD-BB58 (TB Woods's Corporation).

What are the specifications of SD-BB58?

Key specifications for SD-BB58: Style Designator: FLANGE BLOCK. 1 specification is documented in the U.S. Government catalog.

Is NSN 3130-01-676-4979 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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