Model: 551-380

Annular Ball Bearing

Properties:

Overall Width
Between 0.5412 inches and 0.5512 inches
Bore Diameter
Between 1.3778 inches and 1.3780 inches
Overall Outside Diameter
Between 2.4406 inches and 2.4409 inches
End Application
B-1b acft
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Load Direction
Angular
Bore Shape
Straight
Material
Copper alloy separator
Material
Steel comp m50 ball
Material
Steel comp m50 inner ring
Material
Steel comp m50 outer ring
Style Designator
Non-loading groove, non-separable
NSN
3110-01-194-4254
Part Number
551-380
Description
Bearing,ball,annular
CAGE
43991

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Part 551-380 NSN 3110-01-194-4254

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00014
FIIG:
A044A0
Concept No.:
App. Key:
C
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:
YP
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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
77.5
WCC:
742
TCC:
Z
SHC:
Z
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482105028
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Angular contact ball bearings, nesoi

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