Item # NNU4920, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NNU On Bearing Distributors, Inc.

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 | Dimensional Specifications

Technical Specifications

Type	N/A Cylindrical Roller Bearing
Bore Type	N/A Cylindrical
Material	N/A Hardened Alloy Steel
Cage Material	N/A High Strength, 2 piece, Machined Brass
Limiting Speed - Oil	N/A 5100 rpm
Limiting Speed - Grease	N/A 4300 rpm
Precision	N/A ISO Class 0
Configuration	N/A Two
Tolerance	N/A ISO Class 0 (RBEC 1)
Oil Hole	N/A w/o Oil Hole
Radial Internal Clearance	N/A CN
Static Load Rating	N/A 58500 lbf260000 N260.00 kN
Dynamic Load Rating	N/A 29500 lbf131000 N131.00 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NNU - Dimensions
d	N/A 3.937 in100 mm
D	N/A 5.5118 in140 mm
B	N/A 1.5748 in40.000 mm
C	N/A 1.5748 in40.000 mm
Fw	N/A 4.4488 in113.000 mm
r	N/A 0.0433 in1.100 mm
da min	N/A 4.1929 in106.500 mm
db min	N/A 4.3307 in110.000 mm
Da max	N/A 5.2559 in133.500 mm
Db min	N/A 5.1575 in131.000 mm
Db max	N/A 5.2559 in133.500 mm
ras max	N/A 0.0394 in1 mm