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:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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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