Item # NN3022KC1NAP5, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN On NTN Bearing Corp. of America

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The rollers in the NN type bearing are guided by the ribs of the inner ring.

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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 4300 RPM
Limiting Speed - Grease	N/A 3600 RPM
Taper	N/A 1:12
Precision	N/A ISO Class 5
Configuration	N/A Two
Oil Hole	N/A w/o Oil Hole
Radial Internal Clearance	N/A C1NA
Static Load Rating	N/A 84500 lbf375000 N375.00 kN
Dynamic Load Rating	N/A 51500 lbf229000 N229.00 kN
Enclosure	N/A Open
Weight	N/A 7.743 lb3.512 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Open Image Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN - Dimensions
d	N/A 4.3307 in110.000 mm
D	N/A 6.6929 in170.000 mm
B	N/A 1.7717 in45.000 mm
C	N/A 1.7717 in45.000 mm
Ew	N/A 6.1024 in155.000 mm
r	N/A 0.0787 in2.000 mm
da min	N/A 4.6850 in119.000 mm
db min	N/A 4.8425 in123.000 mm
Da max	N/A 6.1811 in157.000 mm
Db min	N/A 6.1811 in157.000 mm
Db max	N/A 6.3386 in161.000 mm
ras max	N/A 0.0787 in2.000 mm