Model: 554048

Airframe Ball Bearing

Properties:

Bore Diameter
Between 0.1895 inches and 0.1900 inches
Overall Outside Diameter
Between 0.7769 inches and 0.7774 inches
Lubrication Material
Grease
Outer Ring Width
Between 0.4020 inches and 0.4070 inches
Inner Ring Width
Between 0.4950 inches and 0.5000 inches
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Self-aligning
Load Direction
Radial
Self-alignment Location
Internal
Standard Tolerance Designation
Afbma standard tolerance for airframe ball bearings
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Rubber fluorocarbon class fpm seal and fiber seal
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Material
Rubber fluorocarbon class fpm and fiber seal
Surface Treatment
Cadmium all external/exposed metal surfaces
Style Designator
Double row, self aligning
NSN
3110-00-726-7222
Part Number
554048
Description
Bearing,ball,airframe
CAGE
77445

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 554048 NSN 3110-00-726-7222

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

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