Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

1800 rpm

Limiting Speed - Grease

1200 rpm

Precision

ISO Class 0

Configuration

One

Enclosure

Open

Bearing Design

w/ Inner Ring

Oil Hole

w/ Oil Hole

Radial Internal Clearance

CN

Static Load Rating

256000 lbf1140000 N1140.00 kN

Dynamic Load Rating

111000 lbf495000 N495.00 kN

Weight

33.069 lb15.000 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

7.5000 in190.500 mm

D

10.6250 in269.875 mm

F

8.7500 in222.250 mm

C

3.0000 in76.200 mm

B

3.0150 in76.580 mm

r

0.1575 in4 mm

s

0.2756 in7.000 mm

da min

8.1299 in206.500 mm

Da max

10.0000 in254.000 mm

ras max

0.1575 in4.000 mm