Model: C4556BME3

Airframe Ball Bearing

Special Features:

Outer ring fractured at one point, two retainment rings on od of outer ring, radial clearance 0.0005 in. Min to 0.0015 in. Max

Properties:

Bore Diameter
Between 2.8122 inches and 2.8128 inches
Overall Outside Diameter
Between 3.4992 inches and 3.5001 inches
Outer Ring Width
0.3120 inches
Inner Ring Width
Between 0.3700 inches and 0.3750 inches
Retainer Fabrication Method
Machined
Load Direction
Radial
Material
Plastic phenolic retainer
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Surface Treatment
Cadmium all external/exposed metal surfaces
Style Designator
Single row, torque tube type, w/or w/o closure
NSN
3110-00-901-7247
Part Number
C4556BME3
Description
Bearing,ball,airframe
CAGE
40920

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 C4556BME3 NSN 3110-00-901-7247

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:
--
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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