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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

 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 2600 RPM

Limiting Speed - Grease

 N/A 2200 RPM

Precision

 N/A ISO Class 4

Configuration

 N/A Two

Oil Hole

 N/A w/o Oil Hole

Radial Internal Clearance

 N/A CN

Static Load Rating

 N/A 224000 lbf995000 N995.00 kN

Dynamic Load Rating

 N/A 127000 lbf565000 N565.00 kN

Enclosure

 N/A Open

Weight

 N/A 37.258 lb16.900 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 7.0866 in180.000 mm

D

 N/A 11.0236 in280.000 mm

B

 N/A 2.9134 in74.000 mm

C

 N/A 2.9134 in74.000 mm

Ew

 N/A 10.0394 in255.000 mm

r

 N/A 0.0827 in2.100 mm

da min

 N/A 7.5197 in191.000 mm

db min

 N/A 7.7559 in197.000 mm

Db min

 N/A 10.1181 in257.000 mm

Db max

 N/A 10.5906 in269.000 mm

ras max

 N/A 0.0787 in2.000 mm