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

 3800 rpm

Limiting Speed - Grease

 3300 rpm

Configuration

 One

Tolerance

 ISO Class 0 (RBEC 1)

Oil Hole

 w/o Oil Hole

Radial Internal Clearance

 C3

Static Load Rating

 75500 lbf335000 N335.00 kN

Dynamic Load Rating

 67000 lbf299000 N299.00 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

 3.937 in100 mm

D

 8.4646 in215.000 mm

B

 1.8504 in47 mm

Fw

 5.0984 in129.500 mm

J

 5.5315 in140.500 mm

r

 0.1181 in3.000 mm

da min

 4.4488 in113.000 mm

db min

 4.4488 in113.000 mm

Da max

 7.9528 in202.000 mm

Db max

 7.9528 in202.000 mm

Db min

 7.4803 in190.000 mm

r1as max

 0.0984 in2.500 mm