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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 30000 RPM

Limiting Speed - Grease

N/A 20000 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 820 lbf3650 N3.65 kN

Dynamic Load Rating

N/A 810 lbf3600 N3.60 kN

Weight

N/A 0.022 lb0.010 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 0.2756 in7.000 mm

D

N/A 0.6693 in17.000 mm

F

N/A 0.3543 in9.000 mm

B

N/A 0.3937 in10.000 mm

r

N/A 0.0059 in0.150 mm

da min

N/A 0.3543 in9.000 mm

Da max

N/A 0.4134 in10.500 mm

ras max

N/A 0.0059 in0.150 mm