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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

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 1300 RPM

Limiting Speed - Grease

N/A 1100 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 600000 lbf2670000 N2670.00 kN

Dynamic Load Rating

N/A 305000 lbf1350000 N1350.00 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 NN - Dimensions

d

N/A 12.5984 in320.000 mm

D

N/A 18.8976 in480.000 mm

B

N/A 4.7638 in121.000 mm

C

N/A 4.7638 in121.000 mm

Ew

N/A 17.2441 in438.000 mm

r

N/A 0.1575 in4.000 mm

da min

N/A 13.2283 in336.000 mm

db min

N/A 13.6220 in346.000 mm

Db min

N/A 17.3622 in441.000 mm

Db max

N/A 18.2677 in464.000 mm

ras max

N/A 0.1181 in3 mm