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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 3400 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 14400 lbf64000 N64.00 kN

Dynamic Load Rating

N/A 6850 lbf30500 N30.50 kN

Weight

N/A 0.650 lb0.295 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 1.9685 in50.000 mm

D

N/A 2.8346 in72.000 mm

F

N/A 2.2835 in58.000 mm

C

N/A 0.8661 in22.000 mm

B

N/A 0.9055 in23.000 mm

r

N/A 0.0236 in0.600 mm

s

N/A 0.0394 in1.000 mm

da min

N/A 2.1260 in54.000 mm

Da max

N/A 2.4016 in61.000 mm

ras max

N/A 0.0236 in0.600 mm