Model: MKP4A A1173

Airframe Ball Bearing

Special Features:

40 to 50 pct full of specified grease, starting torque 0.30 in. Oz, 0002 to 0005 in. Internal clearance, loading groove type

Properties:

Bore Diameter
Between 0.2497 inches and 0.2500 inches
Overall Outside Diameter
Between 0.7496 inches and 0.7500 inches
Lubrication Material
Grease
Outer Ring Width
Between 0.2140 inches and 0.2190 inches
Inner Ring Width
Between 0.2785 inches and 0.2810 inches
Seal Quantity
2
Bearing Seal Type
Contact
Load Direction
Radial
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Plastic tetrafluoroethylene seal
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Style Designator
Single row inner ring extended both sides
NSN
3110-00-179-7566
Part Number
MKP4A A1173
Description
Bearing,ball,airframe
CAGE
21335

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 MKP4A A1173 NSN 3110-00-179-7566

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:
F

Packaging & Shipping

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