Model: A-509-278 ITEM NO 33

Annular Ball Bearing

Special Features:

Locknut retained

Properties:

Overall Width
1.9685 inches
Bore Diameter
Between 4.3304 inches and 4.3307 inches
Overall Outside Diameter
Between 9.4485 inches and 9.4488 inches
Surface Finish
Ground
Load Direction
Radial
Bore Shape
Straight
Criticality Code Justification
Zzzw
Material
Chromium alloy
Material Specification
Astm a 295 assn standard single material response
Style Designator
Non-loading groove, non-separable
Departure From Cited Document
Quiet operation tested for submarine usage
NSN
3110-01-319-0021
Part Number
A-509-278 ITEM NO 33
Description
Bearing,ball,annular
CAGE
51802

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 A-509-278 ITEM NO 33 NSN 3110-01-319-0021

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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
6.0 X 6.0 X 6.0
Paclk Weight:
0.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
LVL_B:
Q

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:
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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