Unit of Measure

Technical Specifications

Type

Cylindrical Roller Bearing

Bore Type

Round

Material

Hardened Alloy Steel

Cage Material

High Strength Machined Brass Rivetless w/ square holes

Limiting Speed - Oil

4800 rpm

Limiting Speed - Grease

4100 rpm

Configuration

One

Tolerance

ISO Class 0 (RBEC 1)

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

65000 lbf290000 N290.00 kN

Dynamic Load Rating

56000 lbf250000 N250.00 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Cylindrical Roller Bearing - Separable Inner Ring w/ One Rib, Outer Ring w/ Two Ribs - NJ Type - Dimensions

d

2.5591 in65 mm

D

5.5118 in140 mm

B

1.8898 in48 mm

Fw

3.2480 in82.500 mm

J

3.5827 in91.000 mm

r

0.0827 in2.100 mm

da min

2.9921 in76.000 mm

Da max

5.0787 in129.000 mm

r1as max

0.0787 in2.000 mm