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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 1600 RPM

Limiting Speed - Grease

N/A 1300 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 470000 lbf2080000 N2080.00 kN

Dynamic Load Rating

N/A 243000 lbf1080000 N1080.00 kN

Enclosure

N/A Open

Weight

N/A 112.656 lb51.100 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 11.0236 in280.000 mm

D

N/A 16.5354 in420.000 mm

B

N/A 4.1732 in106.000 mm

C

N/A 4.1732 in106.000 mm

Ew

N/A 15.1181 in384.000 mm

r

N/A 0.1575 in4.000 mm

da min

N/A 11.6535 in296.000 mm

db min

N/A 12.0079 in305.000 mm

Db min

N/A 15.2362 in387.000 mm

Db max

N/A 15.9055 in404.000 mm

ras max

N/A 0.1181 in3 mm