Model: KSB20-4D

Self-aligning Plain Bearing

Properties:

Bore Diameter
Between 1.2495 inches and 1.2500 inches
Outer Member Outside Diameter
Between 1.9995 inches and 2.0000 inches
Outer Member Width
Between 0.9370 inches and 0.9470 inches
Inner Member Width
Between 1.0910 inches and 1.0930 inches
Static Radial Load Rating
108000 pounds
Hardness Rating
55.0 rockwell c inner member28.0 rockwell c outer race member
Material
Steel comp 440c inner membersteel comp 630 outer race memberplastic polytetrafluoroethylene race liner
Material Specification
Ams 5630 assn standard single material response inner memberams 5643 assn standard single material response outer race memberkaron, cagec 50632 mfr ref single material response race liner
Style Designator
With insert and/or liner with staking groove
NSN
3120-01-347-9978
Part Number
KSB20-4D
Description
Bearing,plain,self-aligning
CAGE
50294

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 KSB20-4D NSN 3120-01-347-9978

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:
BQ
CRITL:
N

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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
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:
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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