Model: 311D644P3

Annular Ball Bearing

Properties:

Overall Width
Between 0.3493 inches and 0.3543 inches
Bore Diameter
Between 0.7872 inches and 0.7874 inches
Overall Outside Diameter
Between 1.4564 inches and 1.4567 inches
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Radial
Bore Shape
Straight
Internal Clearance
0.0008 inches radial and 0.0014 inches radial
Standard Tolerance Designation
Abec no.3
Material
Copper alloy retainer
Material
Steel comp e50100 ball or steel comp e51100 ball or steel comp e52100 ball
Material
Steel comp e52100 inner ring
Material
Steel comp e52100 outer ring
Material Specification
Ams 6440 assn standard single material response inner ring
Material Specification
Ams 6441 assn standard single material response outer ring
Material Specification
Ams 7440 assn standard all material responses ball
Style Designator
Non-loading groove, non-separable
NSN
3110-01-006-9867
Part Number
311D644P3
Description
Bearing,ball,annular
CAGE
07482

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 311D644P3 NSN 3110-01-006-9867

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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