- The rollers in the NN type bearing are guided by the ribs of the inner ring.
Unit of Measure
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 9400 rpm |
Limiting Speed - Grease |
N/A 8000 rpm |
Taper |
N/A 1:12 |
Precision |
N/A ISO Class 4 |
Configuration |
N/A Two |
Oil Hole |
N/A w/o Oil Hole |
Radial Internal Clearance |
N/A C9NA |
Static Load Rating |
N/A 16300 lbf72500 N72.50 kN |
Dynamic Load Rating |
N/A 11900 lbf53000 N53.00 kN |
Enclosure |
N/A Open |
Weight |
N/A 0.904 lb0.410 kg |
Operating Temperature Range |
N/A -40 to 250 ºF-40 to 120 ºC |
Dimensional Specifications
|
|
d |
N/A 1.9685 in50 mm |
D |
N/A 3.1496 in80 mm |
B |
N/A 0.9055 in23 mm |
C |
N/A 0.9055 in23 mm |
Ew |
N/A 2.8543 in72.500 mm |
r |
N/A 0.0394 in1.000 mm |
da min |
N/A 2.1654 in55.000 mm |
db min |
N/A 2.2441 in57.000 mm |
Da max |
N/A 2.9134 in74.000 mm |
Db min |
N/A 2.9134 in74.000 mm |
Db max |
N/A 2.9528 in75.000 mm |
ras max |
N/A 0.0394 in1 mm |