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
Print Back
    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

 Tapered

Material

 Hardened Alloy Steel

Cage Material

 High Strength, 2 piece, Machined Brass

Limiting Speed - Oil

 1200 rpm

Limiting Speed - Grease

 1000 rpm

Taper

 1:12

Precision

 ISO Class 0

Configuration

 Two

Oil Hole

 w/o Oil Hole

Radial Internal Clearance

 CN

Static Load Rating

 740000 lbf3300000 N3300.00 kN

Dynamic Load Rating

 370000 lbf1650000 N1650.00 kN

Enclosure

 Open

Weight

 235.894 lb107 kg

Operating Temperature Range

 -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

 14.1732 in360.000 mm

D

 21.2598 in540.000 mm

B

 5.2756 in134 mm

C

 5.2756 in134 mm

Ew

 19.4094 in493.000 mm

r

 0.1969 in5.000 mm

da min

 14.9606 in380.000 mm

db min

 15.3937 in391.000 mm

Da max

 19.5669 in497.000 mm

Db min

 19.5669 in497.000 mm

Db max

 20.4724 in520.000 mm

ras max

 0.1575 in4 mm