PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2890853-1Bearing,plain,self-Aligning

Rbc Bearings Incorporated Div West Trenton Division · NSN 3120-00-845-8623 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-845-8623 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-845-8623. Primary manufacturer part number: 2890853-1.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Bore Diameter: 0.8746 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
  • Lubrication Feature: PERFORATION INNER MEMBER
  • Lubrication Feature: GROOVE EXTERNAL INNER MEMBER
  • Material Document and Classification: SAE J404 COMP 52100 81343 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Lubrication Feature: GROOVE EXTERNAL OUTER MEMBER
  • Lubrication Feature: GROOVE INTERNAL INNER MEMBER
  • Hardness Rating: 60.0 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM INNER MEMBER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-845-8623, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rbc Bearings Incorporated Div West Trenton Division. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-845-8623
Primary Part Number2890853-1
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRbc Bearings Incorporated Div West Trenton Division
StatusACTIVE
Bore Diameter0.8746 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
Lubrication FeaturePERFORATION INNER MEMBER
Lubrication FeatureGROOVE EXTERNAL INNER MEMBER
Material Document and ClassificationSAE J404 COMP 52100 81343 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lubrication FeatureGROOVE EXTERNAL OUTER MEMBER
Lubrication FeatureGROOVE INTERNAL INNER MEMBER
Hardness Rating60.0 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM INNER MEMBER
Inner Member Width0.7600 INCHES MINIMUM AND 0.7650 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Outer Member Width0.6510 INCHES MINIMUM AND 0.6560 INCHES MAXIMUM IN
Static Radial Load Rating76250 POUNDS LBS
Outer Member Outside Diameter1.4370 INCHES MINIMUM AND 1.4375 INCHES MAXIMUM IN
Style DesignatorWITHOUT INSERT OR LINER
Lubrication FeaturePERFORATION OUTER RACE MEMBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5970-00-115-0770 INTERCHANGEABLE
Insulator,bushing
4730-00-172-0015AS15002-3 INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
3120-00-684-5362AB14-9L INTERCHANGEABLE
Bearing,plain,self-Aligning
Rbc Bearings Incorporated Div West Trenton Division
5995-01-409-1320B1-4L INTERCHANGEABLE
Cable Assembly,special Purpose,e
Gk Engineering Corp
Cross-Reference Index
Part NumberManufacturer
8SF14 Timken Co Div the Timken Company (USA)
2890853-1 PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
B14-9L Rbc Bearings Incorporated Div West Trenton Division (USA)
460-690 The Raymond Corp Dba Raymond Sales Corp Div the Raymond Corporation (USA)
B14L Rbc Bearings Incorporated Div West Trenton Division (USA)
2890853-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
8SF14 Timken Aerospace, Inc Dba Torrington Product (USA)
8SBB14 Timken Aerospace, Inc Dba Torrington Product (USA)
2890853 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2890853-1 PRIMARY Timken Aerospace, Inc Dba Torrington Product (USA)
Related Parts
5970-00-115-0770INTERCHANGEABLE
INSULATOR,BUSHING
4730-00-172-0015INTERCHANGEABLE
FITTING,LUBRICATION
AS15002-3
3120-00-684-5362INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
AB14-9L
5995-01-409-1320INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
B1-4L

Frequently Asked Questions

What is NSN 3120-00-845-8623?

NSN 3120-00-845-8623 is a Bearing,plain,self-Aligning, manufactured by Rbc Bearings Incorporated Div West Trenton Division, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-845-8623?

NSN 3120-00-845-8623 has 10 cross-referenced part numbers: 8SF14 (Timken Co Div the Timken Company), 2890853-1 (Rbc Bearings Incorporated Div West Trenton Division), B14-9L (Rbc Bearings Incorporated Div West Trenton Division), 460-690 (The Raymond Corp Dba Raymond Sales Corp Div the Raymond Corporation), B14L (Rbc Bearings Incorporated Div West Trenton Division) and 5 more.

What NSN replaces 3120-00-845-8623?

There are 4 known substitutes for 3120-00-845-8623: 5970-00-115-0770, 4730-00-172-0015, 3120-00-684-5362 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2890853-1?

Key specifications for 2890853-1: Bore Diameter: 0.8746 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN; Lubrication Feature: PERFORATION INNER MEMBER; Lubrication Feature: GROOVE EXTERNAL INNER MEMBER; Material Document and Classification: SAE J404 COMP 52100 81343 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

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