Model: 3221921

Needle Roller Bearing

Properties:

Overall Width
Between 0.3650 inches and 0.3700 inches
Bore Diameter
Between 0.1881 inches and 0.1886 inches
Overall Outside Diameter
0.3438 inches
Surface Finish
Ground
Alignment Type
Rigid
Material
Steel comp 1012 shell
Material
Steel comp 1095 roller
Material Specification
Fed-std-66 federal standard 1st material response roller
Material Specification
Fed-std-66 federal standard 2nd material response shell
Style Designator
Non-separable, closed end, drawn shell
NSN
3110-01-307-4738
Part Number
3221921
Description
Bearing,roller,needle
CAGE
10001

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

Part 3221921 NSN 3110-01-307-4738

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00051
FIIG:
A044A0
Concept No.:
App. Key:
M
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8482400000
  • SITC: 74640
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Needle roller bearings

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