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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 900 RPM

Limiting Speed - Grease

N/A 600 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 900000 lbf4000000 N4000.00 kN

Dynamic Load Rating

N/A 325000 lbf1450000 N1450.00 kN

Weight

N/A 168.874 lb76.600 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series - Dimensions

d

N/A 15.7480 in400.000 mm

D

N/A 21.2598 in540.000 mm

F

N/A 17.7165 in450.000 mm

B

N/A 5.5118 in140.000 mm

r

N/A 0.1575 in4.000 mm

s

N/A 0.0984 in2.500 mm

da min

N/A 16.3780 in416.000 mm

Da max

N/A 20.6299 in524.000 mm

ras max

N/A 0.1181 in3 mm