Model: 7221DF

Duplex Ball Bearing

Special Features:

Over 25 degrees angularity

Properties:

Overall Width
72.00 millimeters
Bore Diameter
105.00 millimeters
Overall Outside Diameter
190.00 millimeters
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Angular
Standard Tolerance Designation
Abec no.1
Material
Copper alloy retainer
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Style Designator
92c counterbored outer rings, non-separable, face to face mounting
Style Designator
Counterbored outer rings, non-separable, face to face mounting
NSN
3110-00-618-6135
Part Number
7221DF
Description
Bearing,ball,duplex
CAGE
38443

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

Part 7221DF NSN 3110-00-618-6135

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30213
FIIG:
A044A0
Concept No.:
App. Key:
E
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: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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