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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 3800 RPM

Limiting Speed - Grease

N/A 2500 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 56500 lbf252000 N252.00 kN

Dynamic Load Rating

N/A 26100 lbf116000 N116.00 kN

Weight

N/A 2.888 lb1.310 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 3.5433 in90.000 mm

D

N/A 4.9213 in125.000 mm

F

N/A 4.1339 in105.000 mm

B

N/A 1.3780 in35.000 mm

r

N/A 0.0433 in1.100 mm

s

N/A 0.0394 in1.000 mm

da min

N/A 3.7992 in96.500 mm

Da max

N/A 4.6654 in118.500 mm

ras max

N/A 0.0394 in1.000 mm