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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 3000 RPM

Limiting Speed - Grease

N/A 2000 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 118000 lbf525000 N525.00 kN

Dynamic Load Rating

N/A 55000 lbf245000 N245.00 kN

Weight

N/A 8.642 lb3.920 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 4.7244 in120.000 mm

D

N/A 6.4961 in165.000 mm

F

N/A 5.3150 in135.000 mm

B

N/A 2.3622 in60.000 mm

r

N/A 0.0433 in1.100 mm

s

N/A 0.0787 in2.000 mm

da min

N/A 4.9803 in126.500 mm

Da max

N/A 6.2402 in158.500 mm

ras max

N/A 0.0394 in1.000 mm