Bearing Distributors, an Applied Company
Bearing Distributors, an Applied Company
930 South Stadium Road
Columbia, SC 29201
Phone: (800) 934-2834
Fax: (803) 256-3824
Email: sales@ibearing.com
Website: www.bearingdistributors.com
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    The rollers in the NN type bearing are guided by the ribs of the inner ring.
Unit of Measure

Technical Specifications

Type

 Cylindrical Roller Bearing

Bore Type

 Cylindrical

Material

 Hardened Alloy Steel

Cage Material

 High Strength, 2 piece, Machined Brass

Limiting Speed - Oil

 4200 rpm

Limiting Speed - Grease

 3600 rpm

Precision

 ISO Class 0

Configuration

 Two

Oil Hole

 w/o Oil Hole

Radial Internal Clearance

 CN

Static Load Rating

 81000 lbf360000 N360.00 kN

Dynamic Load Rating

 41000 lbf183000 N183.00 kN

Enclosure

 Open

Operating Temperature Range

 -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NN - Dimensions

d

 4.7244 in120 mm

D

 6.4961 in165 mm

B

 1.7717 in45 mm

C

 1.7717 in45 mm

Ew

 6.0827 in154.500 mm

r

 0.0433 in1.100 mm

da min

 4.9803 in126.500 mm

db min

 5.1181 in130.000 mm

Db min

 6.1614 in156.500 mm

Db max

 6.2402 in158.500 mm

ras max

 0.0394 in1 mm