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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 5000 rpm

Limiting Speed - Grease

N/A 4300 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 53500 lbf238000 N238.00 kN

Dynamic Load Rating

N/A 33000 lbf146000 N146.00 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 3.7402 in95 mm

D

N/A 5.7087 in145.000 mm

B

N/A 1.4567 in37 mm

C

N/A 1.4567 in37 mm

Ew

N/A 5.1969 in132.000 mm

r

N/A 0.0591 in1.500 mm

da min

N/A 4.0551 in103.000 mm

db min

N/A 4.1732 in106.000 mm

Db min

N/A 5.2756 in134.000 mm

Db max

N/A 5.3937 in137.000 mm

ras max

N/A 0.0591 in1.5 mm