PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P21Bearing,roller,needle

Fl Industries Inc Pneumotive Div · NSN 3110-00-227-3323 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-3323 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-3323. Primary manufacturer part number: P21.
Features
  • Bearing,roller,needle — FSC 3110
  • Retainer Fabrication Method: PRESSED
  • Material: STEEL ROLLER
  • Overall Outside Diameter: 2.1250 INCHES NOMINAL IN
  • Surface Finish: GROUND
  • Style Designator: SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND
  • Material: STEEL INNER RING
  • Material: COPPER ALLOY RETAINER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Roller construction
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-00-227-3323, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fl Industries Inc Pneumotive Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN3110-00-227-3323
Primary Part NumberP21
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFl Industries Inc Pneumotive Div
StatusCANCELLED
Retainer Fabrication MethodPRESSED
MaterialSTEEL ROLLER
Overall Outside Diameter2.1250 INCHES NOMINAL IN
Surface FinishGROUND
Style DesignatorSEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND
MaterialSTEEL INNER RING
MaterialCOPPER ALLOY RETAINER
Alignment TypeRIGID
MaterialSTEEL OUTER RING
Bore Diameter1.2500 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5365-00-019-0517P2-1 INTERCHANGEABLE
Spacer,ring
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5310-00-021-819613X14 INTERCHANGEABLE
Nut,plain,hexagon
Meritor Heavy Vehicle Systems, Llc
4520-00-374-2964P21 INTERCHANGEABLE
Heating Element,electrical,nonim
Rockwell Automation, Inc. Dba Rockwell Automation
5120-00-395-8476923393 INTERCHANGEABLE
Wrench,cylinder Hol
Curtiss-Wright Controls, Inc. Div Actuation Division
3930-00-419-7976P21 INTERCHANGEABLE
Truck,lift,fork
The Raymond Corp Dba Raymond Sales Corp Div the Raymond Corporation
2940-00-505-671651Q35 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5220-00-856-5753P21 INTERCHANGEABLE
Gage,profile
Ambac International Corporation Div Ambac International
5970-00-878-40883-81N INTERCHANGEABLE
Tape,insulation,electrical
Raytheon Company Dba Raytheon
4920-01-071-4148P27 INTERCHANGEABLE
Probe,programmable
Autek Systems Corp
5220-01-102-5288P21 INTERCHANGEABLE
Anvil,v
Service Diamond Tool Co
Cross-Reference Index
Part NumberManufacturer
P21 PRIMARY Fl Industries Inc Pneumotive Div (USA)
4CH1 Fl Industries Inc Pneumotive Div (USA)
E7284CT Orange Roller Bearing Co Inc (USA)
SJ7284IR7284 PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
Related Parts
5365-00-019-0517INTERCHANGEABLE
SPACER,RING
P2-1
5310-00-021-8196INTERCHANGEABLE
NUT,PLAIN,HEXAGON
13X14
4520-00-374-2964INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
P21
5120-00-395-8476INTERCHANGEABLE
WRENCH,CYLINDER HOL
923393
3930-00-419-7976INTERCHANGEABLE
TRUCK,LIFT,FORK
P21
2940-00-505-6716INTERCHANGEABLE
FILTER ELEMENT,FLUID
51Q35
5220-00-856-5753INTERCHANGEABLE
GAGE,PROFILE
P21
5970-00-878-4088INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
3-81N
4920-01-071-4148INTERCHANGEABLE
PROBE,PROGRAMMABLE
P27
5220-01-102-5288INTERCHANGEABLE
ANVIL,V
P21
6210-01-354-2950INTERCHANGEABLE
GUARD,LAMP
4210-01-388-9047INTERCHANGEABLE
TRUCK,FIRE FIGHTING
P21

Frequently Asked Questions

What is NSN 3110-00-227-3323?

NSN 3110-00-227-3323 is a Bearing,roller,needle, manufactured by Fl Industries Inc Pneumotive Div, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-227-3323?

NSN 3110-00-227-3323 has 4 cross-referenced part numbers: P21 (Fl Industries Inc Pneumotive Div), 4CH1 (Fl Industries Inc Pneumotive Div), E7284CT (Orange Roller Bearing Co Inc), SJ7284IR7284 (Rbc Bearings Incorporated Div West Trenton Division).

What NSN replaces 3110-00-227-3323?

There are 12 known substitutes for 3110-00-227-3323: 5365-00-019-0517, 5310-00-021-8196, 4520-00-374-2964 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P21?

Key specifications for P21: Retainer Fabrication Method: PRESSED; Material: STEEL ROLLER; Overall Outside Diameter: 2.1250 INCHES NOMINAL IN; Surface Finish: GROUND. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-227-3323 still in active supply?

NSN 3110-00-227-3323 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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