Model: B20504-57

Annular Ball Bearing

Properties:

Overall Width
15.0 millimeters
Bore Diameter
25.00 millimeters
Overall Outside Diameter
52.00 millimeters
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Shield Quantity
1
Load Direction
Radial
Bore Shape
Straight
Internal Fit-up Designation
Standard
Standard Tolerance Designation
Abec no.1
Material
Steel
Style Designator
Non-loading groove, non-separable
NSN
3110-00-293-9163
Part Number
B20504-57
Description
Bearing,ball,annular
CAGE
83298

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 B20504-57 NSN 3110-00-293-9163

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
51
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

End Items End applications NSN 3110-00-293-9163 is a component of

  • Cargo/weapons Elevators
  • Main Feed Pumps
  • High Pressure Air Compressors
  • Jp-5 Aviation Fuels Systems
  • L.p. Compressors
  • Fire Pumps
  • Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
  • Fleet Vertical Package Conveyers
  • Kidd Class Ddg
  • 008618088
  • Truck Mounted Crane-shovel
  • 003714363
  • Tr Scanner Assembly
  • 013708630
  • Alternating Current Motor
  • 012271408
  • Reciprocating Compressor Unit
  • 000090878
  • Aircraft Gearbox Assembly
  • 010821658
  • Centrifugal Fan

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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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