Model: 428851

Annular Ball Bearing

Special Features:

Raised lip on inside face of outerace; cage silver plate per ams 2412 nostrike metal 0.0005-0.0015 thk on landriding surface and ball pockets, reqd bake 475-500 f for 2hrs to check for bond

Properties:

Overall Width
Between 0.9005 inches and 0.9055 inches
Bore Diameter
Between 3.1494 inches and 3.1496 inches
Overall Outside Diameter
Between 5.1177 inches and 5.1181 inches
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Radial
Bore Shape
Straight
Internal Clearance
0.0018 inches radial and 0.0030 inches radial
Standard Tolerance Designation
Abec no.7
Material
Copper alloy retainer
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Style Designator
Non-loading groove, non-separable
NSN
3110-00-121-9803
Part Number
428851
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 428851 NSN 3110-00-121-9803

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:
A
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:
Z
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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