Model: 578R953H04

Duplex Ball Bearing

Special Features:

Bearing preload pounds, min 1, max 5

Properties:

Overall Width
Between 0.3020 inches and 0.3120 inches
Bore Diameter
Between 0.4998 inches and 0.5000 inches
Overall Outside Diameter
Between 0.7428 inches and 0.7500 inches
Lubrication Material
Grease
End Application
F-16 aircraft
Surface Finish
Ground
Seal Quantity
2
Bearing Seal Type
Contact
Load Direction
Angular
Standard Tolerance Designation
Abec no. 5p
Contact Angle
18.00 degrees
Part Name Assigned By Controlling Agency
Bearing, ball, annular, angular contact duplex pair, face to face
Lubrication Material Specification
Royco 27 grease.10-15 percent capacity mfr ref single material response
Material
Plastic polytetrafluoroethylene spacer
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Material Specification
Qq-s-763 federal specification single material response ball
Material Specification
Qq-s-763 federal specification single material response inner ring
Material Specification
Qq-s-763 federal specification single material response outer ring
Style Designator
92c counterbored outer rings, non-separable, face to face mounting
NSN
3110-01-571-9781
Part Number
578R953H04
Description
Bearing,ball,duplex
CAGE
97942

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 578R953H04 NSN 3110-01-571-9781

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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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