Model: A539T250-11-3

Airframe Ball Bearing

Special Features:

Bearing radial play 0.0002 in. To 0.0005 in., lubricant with number 26 b and d hypodermic needle

Properties:

Bore Diameter
0.7500 inches
Overall Outside Diameter
1.1875 inches
Lubrication Material
Oil
Outer Ring Width
0.2500 inches
Inner Ring Width
0.2812 inches
Retainer Fabrication Method
Machined
Load Direction
Radial
Standard Tolerance Designation
Abec no.5
Lubrication Material Specification
Mil-l-6085 military specification single material response
Material
Plastic phenolic retainer and aluminum retainer
Material
Steel comp 440a ball
Material
Steel comp 440a inner ring
Material
Steel comp 440a outer ring
Style Designator
Single row, torque tube type, w/or w/o closure
NSN
3110-00-413-6410
Part Number
A539T250-11-3
Description
Bearing,ball,airframe
CAGE

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes bearing, ball, annular.

Part A539T250-11-3 NSN 3110-00-413-6410

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00041
FIIG:
A044A0
Concept No.:
App. Key:
B
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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

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Schedule B and Export
  • Schedule B: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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