Model: KR7-CNB

Self-aligning Plain Bearing

Properties:

Bore Diameter
Between 0.4370 inches and 0.4375 inches
Outer Member Outside Diameter
Between 0.9057 inches and 0.9062 inches
Outer Member Width
Between 0.3380 inches and 0.3480 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 member28.0 rockwell c outer race member and 37.0 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 member
Surface Treatment
Cadmium outer race member and chromate outer race member
Surface Treatment Specification
Qq-p-416, type 2 cl 2 federal specification single treatment response outer race member
Style Designator
With insert and/or liner
NSN
3120-01-358-6717
Part Number
KR7-CNB
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 KR7-CNB NSN 3120-01-358-6717

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

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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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