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N/A Contact NTN Customer Relations

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 850 RPM

Limiting Speed - Grease

N/A 550 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 955000 lbf4250000 N4250.00 kN

Dynamic Load Rating

N/A 335000 lbf1500000 N1500.00 kN

Weight

N/A 197.975 lb89.800 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 4.7244 in120.000 mm

D

N/A 22.0472 in560.000 mm

F

N/A 18.5039 in470.000 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 17.1654 in436.000 mm

Da max

N/A 21.4173 in544.000 mm

ras max

N/A 0.1181 in3 mm