Model: BSSN8278M2

Self-aligning Plain Bearing

Properties:

Bore Diameter
Between 0.4995 inches and 0.5000 inches
Lubrication Material
Lubricant, dry film, bms 3-8, mcdonnell douglas corp, mcdonnell aircraft division
Outer Member Outside Diameter
Between 0.9995 inches and 1.0000 inches
Outer Member Width
Between 0.3850 inches and 0.3950 inches
Inner Member Width
Between 0.4950 inches and 0.5000 inches
Static Radial Load Rating
30000 pounds
Hardness Rating
28.0 rockwell c outer race member and 36.0 rockwell c outer race member
Hardness Rating
55.0 rockwell c inner member and 60.0 rockwell c inner member
Lubrication Feature
Groove external outer member
Lubrication Feature
Groove internal outer member
Lubrication Feature
Perforation outer race member
Material
Steel comp 440c inner member
Material
Steel comp 630 outer race member
Material Specification
Ams 5643 assn standard single material response outer race member
Material Specification
Qq-s-763, class 440c federal specification single material response inner member
Style Designator
Without insert or liner
NSN
3120-00-100-6954
Part Number
BSSN8278M2
Description
Bearing,plain,self-aligning
CAGE
81376

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

Part BSSN8278M2 NSN 3120-00-100-6954

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13208
FIIG:
A045A0
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:
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:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482300040
  • SITC: 74630
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Spherical roller bearings, single row

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