Model: 181-506

Self-aligning Roller Bearing

Special Features:

Oil holes and groove in outer ring

Properties:

Overall Width
40.0 millimeters
Bore Diameter
90.0 millimeters
Overall Outside Diameter
160.0 millimeters
Surface Finish
Ground
Bore Shape
Straight
Internal Fit-up Designation
Standard
Standard Tolerance Designation
Rbec no.1
Material
Steel comp e51100 inner ring or steel comp e52100 inner ring
Material
Steel comp e51100 outer ring or steel comp e52100 outer ring
Material
Steel comp e51100 roller or steel comp e52100 roller
Material
Steel retainer or copper alloy retainer or aluminum retainer
Material Specification
66 federal standard all material responses inner ring
Material Specification
66 federal standard all material responses outer ring
Material Specification
66 federal standard all material responses roller
Style Designator
Double row, spherical rollers, self-contained, outer and inner raceways concave, non-separable
NSN
3110-00-156-1438
Part Number
181-506
Description
Bearing,roller,self-aligning
CAGE
28953

An antifriction bearing having a cylindrical rolling element and one spherical raceway which will adjust to varying degrees of shaft and/or support misalignment without damage to the raceways and permits the full rating of the bearing to be utilized.

Part 181-506 NSN 3110-00-156-1438

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00016
FIIG:
A044A0
Concept No.:
App. Key:
N
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:
999.9 X 999.9 X 999.9
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

End Items End applications NSN 3110-00-156-1438 is a component of

  • L.p. Compressors
  • Forrestal Class Cv
  • Kidd Class Ddg
  • Fms - Knox Class Ff
  • Whidbey Island Class Lsd
  • Fms - Newport Class Lst
  • Mars Class T-afs 1
  • John Macdonald Class Tags-51
  • Capstans

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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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