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Unit of Measure

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Ordering Options

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 5000 RPM

Limiting Speed - Grease

N/A 3300 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 54000 lbf240000 N240.00 kN

Dynamic Load Rating

N/A 30000 lbf134000 N134.00 kN

Weight

N/A 3.682 lb1.670 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Machined-Ring Needle Roller Bearing w/ Inner Ring - MR+MI Series - Dimensions

d

N/A 2.6250 in66.675 mm

D

N/A 4.2500 in107.950 mm

F

N/A 3.2500 in82.550 mm

C

N/A 1.7500 in44.450 mm

B

N/A 1.7598 in44.700 mm

r

N/A 0.0787 in2.000 mm

s

N/A 0.1181 in3.000 mm

da min

N/A 2.9331 in74.500 mm

Da max

N/A 3.9370 in100.000 mm

ras max

N/A 0.0787 in2.000 mm