Model: B538DD

Airframe Ball Bearing
Description:

0.6243 inches bore diameter, 1.0615 inches overall outside diameter, grease lubrication material, 0.2450 inches outer ring width.

Properties:

Bore Diameter
Between 0.6243 inches and 0.6257 inches
Overall Outside Diameter
Between 1.0615 inches and 1.0625 inches
Lubrication Material
Grease
Outer Ring Width
Between 0.2450 inches and 0.2500 inches
Inner Ring Width
Between 0.2762 inches and 0.2812 inches
Seal Quantity
2
Shield Quantity
2
Bearing Seal Type
Contact
Load Direction
Radial
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Rubber seal
Material
Plastic tetrafluoroethylene shield
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Material Specification
369a7951-47, 02731 mfr ref single material response seal
Material Specification
369a7951-47, 02731 mfr ref single material response shield
Material Specification
Fed-std-66, aisi/sae e51100 federal standard single material response ball
Material Specification
Fed-std-66, aisi/sae e52100 federal standard single material response inner ring
Material Specification
Fed-std-66, aisi/sae e52100 federal standard single material response outer ring
Surface Treatment
Cadmium all external/exposed metal surfaces
Style Designator
Single row inner ring extended both sides
NSN
3110-00-011-9142
Part Number
B538DD
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 B538DD NSN 3110-00-011-9142

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

End Items End applications NSN 3110-00-011-9142 is a component of

  • Stratofortress B-52 Aircraft
  • Stratolifter C/kc-135 Aircraft
  • Galaxy C-5 Aircraft
  • Starlifter C-141 Aircraft
  • A-10 Thunderbolt Ii Aircraft
  • Ec-135h/k/p) Aircraft Tf33-pw-102 (c-135e Engine
  • B-52h) Aircraft Tf33-p-3/5/9 (c/ec-135 Engine
  • Tf-33-p-7 (c-141a/b) Aircraft Engine
  • Velocity Pool Reparable Piece Parts
  • 010079130
  • Linear Electro-mechanical Actuator
  • 000566162
  • Mechanism Assembly
  • 008670430
  • Automatic Pilot Servomotor
  • 006502313
  • Mechanism Assembly
  • 010771215
  • Hydraulic Servovalve

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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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