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Unit of Measure

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Ordering Options

N/A Contact NTN Customer Relations

Technical Specifications

Type

N/A Needle Roller Bearing

Bore Type

N/A Round

Material

N/A High Carbon Chrome Steel

Cage Material

N/A Steel

Limiting Speed - Grease

N/A 10000 RPM

Precision

N/A ISO Class 0

Configuration

N/A One

Enclosure

N/A Single Sealed

Bearing Design

N/A w/ Inner Ring

Oil Hole

N/A w/ Oil Hole

Radial Internal Clearance

N/A CN

Static Load Rating

N/A 1910 lbf8500 N8.50 kN

Dynamic Load Rating

N/A 1620 lbf7200 N7.20 kN

Weight

N/A 0.055 lb0.025 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49 Series, Single Sealed - Dimensions

d

N/A 0.3937 in10.000 mm

D

N/A 0.8661 in22.000 mm

F

N/A 0.5512 in14.000 mm

C

N/A 0.5118 in13.000 mm

B

N/A 0.5512 in14.000 mm

r

N/A 0.0118 in0.300 mm

s

N/A 0.0197 in0.500 mm

da min

N/A 0.4724 in12.000 mm

Da max

N/A 0.6299 in16.000 mm

ras max

N/A 0.0118 in0.300 mm