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Unit of Measure

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 - Oil

N/A 4700 rpm

Limiting Speed - Grease

N/A 3100 rpm

Precision

N/A ISO Class 0

Configuration

N/A One

Enclosure

N/A Open

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 46000 lbf205000 N205.00 kN

Dynamic Load Rating

N/A 24500 lbf109000 N109.00 kN

Weight

N/A 2.491 lb1.130 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.R, NA59, NA69R, NK.R+1R Series - Dimensions

d

N/A 2.9528 in75.000 mm

D

N/A 4.1339 in105.000 mm

F

N/A 3.3465 in85.000 mm

B

N/A 1.5748 in40.000 mm

r

N/A 0.03940 in1.000 mm

s

N/A 0.0591 in1.500 mm

da min

N/A 3.1496 in80.000 mm

Da max

N/A 3.9370 in100.000 mm

ras max

N/A 0.0394 in1.000 mm