Model: 321581R91

Self-aligning Plain Bearing

Special Features:

Outer race member fractured at two places and held together by snap ring

Properties:

Bore Diameter
Between 1.8850 inches and 1.8870 inches
Lubrication Material
Molybdenum disulfide
Outer Member Outside Diameter
Between 3.9367 inches and 3.9375 inches
Outer Member Width
Between 1.8700 inches and 1.8750 inches
Inner Member Width
Between 4.3070 inches and 4.3120 inches
Material
Steel comp e52100 inner member
Material
Steel comp e52100 outer race member
Style Designator
Without insert or liner
NSN
3120-00-451-9016
Part Number
321581R91
Description
Bearing,plain,self-aligning
CAGE
0SAT8

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 321581R91 NSN 3120-00-451-9016

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:
6.6000lbs
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:
114850
UFC:
58880
LTL:
70.0
LCL:
--
WCC:
742
TCC:
Z
SHC:
5
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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