Model: DAS4-20A

Airframe Roller Bearing

Special Features:

10 degrees self alignment in either direction, lubricant holes and groove in outer ring

Properties:

Bore Diameter
0.2500 inches
Overall Outside Diameter
1.2500 inches
Lubrication Material
Grease
Outer Ring Width
0.7500 inches
Inner Ring Width
1.0000 inches
Retainer Fabrication Method
Cast
Seal Quantity
2
Bearing Seal Type
Contact
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Copper alloy retainer
Material
Rubber butadiene-acrylonitrile class nbr seal
Material
Steel comp 4140 locking collar
Material
Steel comp 4140 sleeve
Material
Steel comp 430 shield
Material
Steel comp e52100 inner ring
Material
Steel comp e52100 outer ring
Material
Steel comp e52100 shaft
Material Specification
Ams 6382 assn standard single material response locking collar
Material Specification
Ams 6382 assn standard single material response sleeve
Material Specification
Il-s-7420 military specification single material response inner ring
Material Specification
Mil-s-7420 military specification single material response outer ring
Material Specification
Mil-s-7420 military specification single material response shaft
Material Specification
Qq-c-390 federal specification single material response retainer
Material Specification
Qq-s-763 federal specification single material response shield
Surface Treatment
Cadmium all external/exposed metal surfaces
Style Designator
Concave rollers, double closure, self aligning
NSN
3110-00-143-3017
Part Number
DAS4-20A
Description
Bearing,roller,airframe
CAGE
77896

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened roller, 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, roller, cylindrical.

Part DAS4-20A NSN 3110-00-143-3017

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00046
FIIG:
A044A0
Concept No.:
App. Key:
U
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:
0.2000lbs
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: 8482800080
  • SITC: 74680
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Other ball or roller bearings, including combined ball/roller bearings, nesoi

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