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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 3100 rpm

Limiting Speed - Grease

 N/A 2100 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 52500 lbf233000 N233.00 kN

Dynamic Load Rating

 N/A 22400 lbf99500 N99.50 kN

Weight

 N/A 2.579 lb1.17 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 5.90550 in150.000 mm

F

 N/A 5.1181 in130.000 mm

B

 N/A 1.1811 in30.000 mm

r

 N/A 0.03940 in1.000 mm

s

 N/A 0.0315 in0.800 mm

da min

 N/A 4.9213 in125.000 mm

Da max

 N/A 5.7087 in145.000 mm

ras max

 N/A 0.0394 in1.000 mm