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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 1500 rpm

Limiting Speed - Grease

 N/A 1000 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 305000 lbf1350000 N1350.00 kN

Dynamic Load Rating

 N/A 121000 lbf540000 N540.00 kN

Weight

 N/A 32.408 lb14.700 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 9.4488 in240.000 mm

D

 N/A 12.5984 in320 mm

F

 N/A 10.4331 in265.000 mm

B

 N/A 3.1496 in80 mm

r

 N/A 0.0827 in2.1 mm

s

 N/A 0.0787 in2.000 mm

da min

 N/A 9.8819 in251.000 mm

Da max

 N/A 12.1654 in309.000 mm

ras max

 N/A 0.0787 in2.000 mm