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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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Ordering Options

N/A

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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 2100 RPM

Limiting Speed - Grease

N/A 1700 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 335000 lbf1480000 N1480.00 kN

Dynamic Load Rating

N/A 183000 lbf815000 N815.00 kN

Enclosure

N/A Open

Weight

N/A 65.918 lb29.900 kg

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 8.6614 in220.000 mm

D

N/A 13.3858 in340.000 mm

B

N/A 3.5433 in90.000 mm

C

N/A 3.5433 in90.000 mm

Ew

N/A 12.2047 in310.000 mm

r

N/A 0.1181 in3.000 mm

da min

N/A 9.1732 in233.000 mm

db min

N/A 9.4488 in240.000 mm

Db min

N/A 12.3228 in313.000 mm

Db max

N/A 12.8740 in327.000 mm

ras max

N/A 0.0984 in2.500 mm