Item # NN4952K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN 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

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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 | Dimensional Specifications

Technical Specifications

Type	N/A Cylindrical Roller Bearing
Bore Type	N/A Tapered
Material	N/A Hardened Alloy Steel
Cage Material	N/A High Strength, 2 piece, Machined Brass
Limiting Speed - Oil	N/A 1800 rpm
Limiting Speed - Grease	N/A 1600 rpm
Taper	N/A 1:12
Precision	N/A ISO Class 0
Configuration	N/A Two
Oil Hole	N/A w/o Oil Hole
Radial Internal Clearance	N/A CN
Static Load Rating	N/A 465000 lbf2070000 N2070.00 kN
Dynamic Load Rating	N/A 202000 lbf900000 N900.00 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/ Tapered Bore - Type NN - Dimensions
d	N/A 10.2362 in260.000 mm
D	N/A 14.1732 in360.000 mm
B	N/A 3.9370 in100 mm
C	N/A 3.937 in100 mm
Ew	N/A 13.2283 in336.000 mm
r	N/A 0.0827 in2.100 mm
da min	N/A 10.6693 in271.000 mm
db min	N/A 10.9843 in279.000 mm
Da max	N/A 13.3465 in339.000 mm
Db min	N/A 13.3465 in339.000 mm
Db max	N/A 13.7402 in349.000 mm
ras max	N/A 0.0787 in2 mm