Model: 4M297-78

Self-aligning Plain Bearing

Special Features:

Shipped packed dry; heat stabilized for operation from minus 65 degrees f to plus 250 degrees f

Properties:

Bore Diameter
Between 4.8900 inches and 4.8910 inches
Outer Member Outside Diameter
Between 5.5390 inches and 5.5400 inches
Outer Member Width
Between 0.8950 inches and 0.9000 inches
Inner Member Width
Between 1.2570 inches and 1.2600 inches
Static Radial Load Rating
68400 pounds
Material
Aluminum alloy 2024 inner member
Material
Aluminum alloy 2024 outer race member
Material
Plastic polytetrafluoroethylene race liner
Surface Treatment
Anodize inner member
Surface Treatment Specification
Mil-a-8625 type 3 military specification single treatment response inner member
Style Designator
With insert and/or liner
NSN
3120-01-136-4519
Part Number
4M297-78
Description
Bearing,plain,self-aligning
CAGE
76301

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 4M297-78 NSN 3120-01-136-4519

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:
6.5 X 6.5 X 1.8
Paclk Weight:
2.4000lbs
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:
114870
UFC:
58890
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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