PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B11-8Bearing,sleeve

Roller Bearing Co of America, Inc Div Pic Design · NSN 3120-01-303-2872 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-303-2872 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-303-2872. Primary manufacturer part number: B11-8.
Features
  • Bearing,sleeve — FSC 3120
  • Flange Outside Diameter: 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN
  • Flange Width: 0.0439 INCHES MINIMUM AND 0.0499 INCHES MAXIMUM IN
  • Material: COPPER ALLOY 841 OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Material: OIL LUBRICATING LUBRICATION
  • Material Document and Classification: MIL-B-5687,TYPE 1,GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Outside Diameter: 0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 841 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-303-2872, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-01-303-2872
Primary Part NumberB11-8
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Flange Outside Diameter0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN
Flange Width0.0439 INCHES MINIMUM AND 0.0499 INCHES MAXIMUM IN
MaterialCOPPER ALLOY 841 OVERALL
Corner ShapeSQUARE ALL CORNERS
MaterialOIL LUBRICATING LUBRICATION
Material Document and ClassificationMIL-B-5687,TYPE 1,GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Outside Diameter0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Body Inside Diameter0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6695-00-118-2918B00736WA INTERCHANGEABLE
Bag,food Sample
Nasco Healthcare Inc
3030-00-173-6909 INTERCHANGEABLE
Belt,v
3110-00-227-4521 INTERCHANGEABLE
Bearing,ball,annular
3110-00-271-0268288903 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
1620-00-560-7075B736 INTERCHANGEABLE
Spring,helical,comp
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
8455-00-641-8636 INTERCHANGEABLE
Bar,overseas Service
8455-00-655-5679 INTERCHANGEABLE
Bar,overseas Service
3110-01-066-4923B-118 INTERCHANGEABLE
Bearing,roller,needle
Jtekt Bearings North America Llc Div Kbna - Ord 1
4910-01-121-5934 INTERCHANGEABLE
Rectifier Budge
5120-01-369-1102B-118 INTERCHANGEABLE
Extension,socket Wrench
Williams J H Industrial Products Inc
Cross-Reference Index
Part NumberManufacturer
B11-8 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
B7-36 W. M. Berg, Inc. (USA)
Related Parts
6695-00-118-2918INTERCHANGEABLE
BAG,FOOD SAMPLE
B00736WA
3030-00-173-6909INTERCHANGEABLE
BELT,V
3110-00-227-4521INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-271-0268INTERCHANGEABLE
BEARING,BALL,ANNULAR
288903
1620-00-560-7075INTERCHANGEABLE
SPRING,HELICAL,COMP
B736
8455-00-641-8636INTERCHANGEABLE
BAR,OVERSEAS SERVICE
8455-00-655-5679INTERCHANGEABLE
BAR,OVERSEAS SERVICE
3110-01-066-4923INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B-118
4910-01-121-5934INTERCHANGEABLE
RECTIFIER BUDGE
5120-01-369-1102INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
B-118
5915-01-498-3512INTERCHANGEABLE
FILTER,DIRECT CURRENT POWER
B736
8455-01-571-2906INTERCHANGEABLE
BAR,OVERSEAS SERVICE

Frequently Asked Questions

What is NSN 3120-01-303-2872?

NSN 3120-01-303-2872 is a Bearing,sleeve, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-01-303-2872?

NSN 3120-01-303-2872 has 2 cross-referenced part numbers: B11-8 (Roller Bearing Co of America, Inc Div Pic Design), B7-36 (W. M. Berg, Inc.).

What NSN replaces 3120-01-303-2872?

There are 12 known substitutes for 3120-01-303-2872: 6695-00-118-2918, 3030-00-173-6909, 3110-00-227-4521 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B11-8?

Key specifications for B11-8: Flange Outside Diameter: 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN; Flange Width: 0.0439 INCHES MINIMUM AND 0.0499 INCHES MAXIMUM IN; Material: COPPER ALLOY 841 OVERALL; Corner Shape: SQUARE ALL CORNERS. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-01-303-2872 still in active supply?

NSN 3120-01-303-2872 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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