Model: 172A1189-2

Duplex Ball Bearing

Properties:

Overall Width
Between 1.9385 inches and 1.9985 inches
Bore Diameter
Between 2.9522 inches and 2.9534 inches
Overall Outside Diameter
Between 5.1173 inches and 5.1189 inches
Lubrication Material
Grease
Surface Finish
Ground
Load Direction
Angular
Bearing Preload Designation
Heavy
Standard Tolerance Designation
Abec no.1
Bearing Preload Rating
690.0 pounds
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Plastic phenolic cage
Material
Steel comp e52100 ball
Material
Steel comp e52100 inner ring
Material
Steel comp e52100 outer ring
Style Designator
28b loading groove, non-separable
NSN
3110-01-228-9079
Part Number
172A1189-2
Description
Bearing,ball,duplex
CAGE
05606

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 172A1189-2 NSN 3110-01-228-9079

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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