Item # NN3008, Double Row Cylindrical Roller Bearing w/ Cylindrical 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 Cylindrical
Material	N/A Hardened Alloy Steel
Cage Material	N/A High Strength, 2 piece, Machined Brass
Limiting Speed - Oil	N/A 11000 RPM
Limiting Speed - Grease	N/A 9700 RPM
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 12500 lbf55500 N55.50 kN
Dynamic Load Rating	N/A 9800 lbf43500 N43.50 kN
Enclosure	N/A Open
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/ Cylindrical Bore - Type NN - Dimensions
d	N/A 1.5748 in40.000 mm
D	N/A 2.6772 in68.000 mm
B	N/A 0.8268 in21.000 mm
C	N/A 0.8268 in21.000 mm
Ew	N/A 2.4016 in61.000 mm
r	N/A 0.0394 in1.000 mm
da min	N/A 1.7717 in45.000 mm
db min	N/A 1.8504 in47.000 mm
Db min	N/A 2.4409 in62.000 mm
Db max	N/A 2.4803 in63.000 mm
ras max	N/A 0.0394 in1.000 mm