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