Model: 645351

Annular Ball Bearing

Properties:

Bore Diameter
0.2500 inches
Flange Outside Diameter
0.5470 inches
Flange Width
0.0450 inches
Outer Ring Width
0.1875 inches
Inner Ring Width
0.2187 inches
Outer Ring Outside Diameter
0.5000 inches
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Seal Quantity
1
Bearing Seal Type
Contact
Load Direction
Radial
Bore Shape
Straight
Internal Clearance
0.0002 inches radial and 0.0008 inches radial
Standard Tolerance Designation
Abec no.5
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Material
Stainless steel retainer
Style Designator
Non-loading groove, non-separable
NSN
3110-00-871-9305
Part Number
645351
Description
Bearing,ball,annular
CAGE
99551

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 645351 NSN 3110-00-871-9305

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:
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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