PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BB55S59-0149PC55Bearing,sleeve

Naval Ship Systems Command · NSN 3120-00-418-4230 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-418-4230 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-418-4230. Primary manufacturer part number: BB55S59-0149PC55.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 1.7500 INCHES NOMINAL IN
  • Body Inside Diameter: 1.2500 INCHES NOMINAL IN
  • 8 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-418-4230, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-418-4230
Primary Part NumberBB55S59-0149PC55
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Body Outside Diameter1.7500 INCHES NOMINAL IN
Body Inside Diameter1.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5360-00-246-7004BW202588 INTERCHANGEABLE
Spring,helical,compression
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5905-00-324-6961210-35 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
3610-00-500-5966 INTERCHANGEABLE
Worm,vibrator Roll
2990-00-545-1856 INTERCHANGEABLE
Seal Assy,governor,
5340-01-066-931421035 INTERCHANGEABLE
Cover,access
Paccar Winch Inc Dba Paccar Winch Division
5120-01-132-7625DWG5120-01-132-7625 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
5340-01-174-275121-035 INTERCHANGEABLE
Clamp,loop
Hess Manufacturing Inc Div Blast-It-All
5985-01-287-3135 INTERCHANGEABLE
Coupling,waveguide
3110-01-295-4078592D INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
2910-01-556-457921035 INTERCHANGEABLE
Bowl,sediment
Parker-Hannifin Corporation Dba Racor Division Div Racor Division
Cross-Reference Index
Part NumberManufacturer
21035 Copeland Corp (USA)
21200PC55 Copeland Corp (USA)
21203PC55 Copeland Corp (USA)
BB55S59-0149PC55 PRIMARY Naval Ship Systems Command (USA)
035-0009-00 Copeland Corp (USA)
BB55S59-0164PC55 PRIMARY Naval Ship Systems Command (USA)
BB55S59-256ALT1PC55 PRIMARY Naval Ship Systems Command (USA)
BB55S59-236PC55 PRIMARY Naval Ship Systems Command (USA)
Related Parts
5360-00-246-7004INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
BW202588
5905-00-324-6961INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
210-35
3610-00-500-5966INTERCHANGEABLE
WORM,VIBRATOR ROLL
2990-00-545-1856INTERCHANGEABLE
SEAL ASSY,GOVERNOR,
5340-01-066-9314INTERCHANGEABLE
COVER,ACCESS
21035
5120-01-132-7625INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
DWG5120-01-132-7625
5340-01-174-2751INTERCHANGEABLE
CLAMP,LOOP
21-035
5985-01-287-3135INTERCHANGEABLE
COUPLING,WAVEGUIDE
3110-01-295-4078INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
592D
2910-01-556-4579INTERCHANGEABLE
BOWL,SEDIMENT
21035

Frequently Asked Questions

What is NSN 3120-00-418-4230?

NSN 3120-00-418-4230 is a Bearing,sleeve, manufactured by Naval Ship Systems Command, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-418-4230?

NSN 3120-00-418-4230 has 8 cross-referenced part numbers: 21035 (Copeland Corp), 21200PC55 (Copeland Corp), 21203PC55 (Copeland Corp), BB55S59-0149PC55 (Naval Ship Systems Command), 035-0009-00 (Copeland Corp) and 3 more.

What NSN replaces 3120-00-418-4230?

There are 10 known substitutes for 3120-00-418-4230: 5360-00-246-7004, 5905-00-324-6961, 3610-00-500-5966 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BB55S59-0149PC55?

Key specifications for BB55S59-0149PC55: Body Outside Diameter: 1.7500 INCHES NOMINAL IN; Overall Length: 1.2500 INCHES NOMINAL IN; Body Inside Diameter: 1.2500 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-418-4230 still in active supply?

NSN 3120-00-418-4230 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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