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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 950 rpm

Limiting Speed - Grease

N/A 650 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 640000 lbf2840000 N2840.00 kN

Dynamic Load Rating

N/A 225000 lbf1000000 N1000.00 kN

Weight

N/A 98.106 lb44.500 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 14.9606 in380.000 mm

D

N/A 18.8976 in480.000 mm

F

N/A 16.3386 in415.000 mm

B

N/A 3.93700 in100.000 mm

r

N/A 0.0827 in2.1 mm

s

N/A 0.0787 in2.000 mm

da min

N/A 15.3937 in391.000 mm

Da max

N/A 18.4646 in469.000 mm

ras max

N/A 0.0787 in2.000 mm