Model: 578676

Annular Ball Bearing
Description:

4.5273 inches bore diameter, 6.6925 inches overall outside diameter, 1.0884 inches outer ring width, 1.0974 inches inner ring width.

Properties:

Bore Diameter
Between 4.5273 inches and 4.5276 inches
Overall Outside Diameter
Between 6.6925 inches and 6.6929 inches
Outer Ring Width
Between 1.0884 inches and 1.0934 inches
Inner Ring Width
Between 1.0974 inches and 1.1024 inches
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Load Direction
Radial
Bore Shape
Straight
Internal Clearance
0.0011 inches radial and 0.0018 inches radial
Standard Tolerance Designation
Abec no.7
Material
Steel ball
Material
Steel comp 4340 retainer
Material
Steel inner ring
Material
Steel outer ring
Material Specification
Ams 6414 assn standard single material response retainer
Material Specification
Pwa 725, united aircraft corporation mfr ref single material response ball
Material Specification
Pwa 725, united aircraft corporation mfr ref single material response inner ring
Material Specification
Pwa 725, united aircraft corporation mfr ref single material response outer ring
Style Designator
26a non-loading groove, non-separable
Style Designator
Non-loading groove, non-separable
NSN
3110-00-068-7857
Part Number
578676
Description
Bearing,ball,annular
CAGE
77445

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Part 578676 NSN 3110-00-068-7857

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00014
FIIG:
A044A0
Concept No.:
App. Key:
C
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
77.5
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482105028
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Angular contact ball bearings, nesoi

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