Model: KR4-CWBP

Self-aligning Plain Bearing

Special Features:

Liner exceeds performance requirements of military specification mil-b-81820

Properties:

Bore Diameter
Between 0.2495 inches and 0.2500 inches
Outer Member Outside Diameter
Between 0.6245 inches and 0.6250 inches
Outer Member Width
Between 0.3120 inches and 0.3220 inches
Inner Member Width
Between 0.4350 inches and 0.4370 inches
Hardness Rating
55.0 rockwell c inner member and 62.0 rockwell c inner member23.0 rockwell c outer race member and 35.0 rockwell c outer race member
Material
Steel comp 440c inner membersteel comp 630 outer race memberplastic polytetrafluoroethylene race liner
Surface Treatment
Cadmium outer race member and chromate outer race member
Style Designator
With insert and/or liner
NSN
3120-01-362-1576
Part Number
KR4-CWBP
Description
Bearing,plain,self-aligning
CAGE
50632

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 KR4-CWBP NSN 3120-01-362-1576

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

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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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