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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 1000 rpm

Limiting Speed - Grease

N/A 880 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 935000 lbf4150000 N4150.00 kN

Dynamic Load Rating

N/A 460000 lbf2040000 N2040.00 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 15.748 in400.000 mm

D

N/A 23.6220 in600.000 mm

B

N/A 5.8268 in148 mm

C

N/A 5.8268 in148 mm

Ew

N/A 21.5354 in547.000 mm

r

N/A 0.1969 in5.000 mm

da min

N/A 16.5354 in420.000 mm

db min

N/A 17.0079 in432.000 mm

Db min

N/A 21.6929 in551.000 mm

Db max

N/A 22.8346 in580.000 mm

ras max

N/A 0.1575 in4 mm