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

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Technical Specifications

Type

Cylindrical Roller Bearing

Bore Type

Cylindrical

Material

Hardened Alloy Steel

Cage Material

High Strength, 2 piece, Machined Brass

Limiting Speed - Oil

1800 RPM

Limiting Speed - Grease

1600 RPM

Precision

ISO Class 0

Configuration

Two

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

465000 lbf2070000 N2070.00 kN

Dynamic Load Rating

202000 lbf900000 N900.00 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image
Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NN - Dimensions

d

10.2362 in260.000 mm

D

14.1732 in360.000 mm

B

3.9370 in100.000 mm

C

3.9370 in100.000 mm

Ew

13.2283 in336.000 mm

r

0.0827 in2.100 mm

da min

10.6693 in271.000 mm

db min

10.9843 in279.000 mm

Db min

13.3465 in339.000 mm

Db max

13.7402 in349.000 mm

ras max

0.0787 in2.000 mm