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Technical Data Sheet

OID NA 4909

Needle roller bearings with machined rings with flanges, with an inner ring · Designation: NA 4909

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Technical Specifications

Parameters as recorded in the source. Missing values are shown as a dash.

ParameterValue
d45
D68
B22
Dynamic45.7
Static78
Load limit9.65
Reference speed7500
Limiting speed8500
Mass0.27
r1,20.6
da min49
Da max64
ra max0.6
C–
F52
s max1

A dimensional match does not confirm suitability for a specific application. Execution and operating conditions should be confirmed during selection.

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INDUSTRIAL BEARINGS

OID NA 4909

Needle roller bearings with machined rings with flanges, with an inner ring

OID NA 4909

Technical Specifications

ParameterValue
d45
D68
B22
Dynamic45.7
Static78
Load limit9.65
Reference speed7500
Limiting speed8500
Mass0.27
r1,20.6
da min49
Da max64
ra max0.6
C–
F52
s max1

Parameters as recorded in the source. A missing value is shown as a dash.

A dimensional match does not confirm suitability for a specific application. Execution and operating conditions should be confirmed during selection.

Designation: NA 4909.

OID Mechanical PartsOffices: Japan · Chinasales@oidbearing.com+8615021241874