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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 Tapered

Material

N/A Hardened Alloy Steel

Cage Material

N/A High Strength, 2 piece, Machined Brass

Limiting Speed - Oil

N/A 990 RPM

Limiting Speed - Grease

N/A 840 RPM

Taper

N/A 1:12

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 965000 lbf4300000 N4300.00 kN

Dynamic Load Rating

N/A 470000 lbf2080000 N2080.00 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/ Tapered Bore - Type NN - Dimensions

d

N/A 16.5354 in420.000 mm

D

N/A 24.4094 in620.000 mm

B

N/A 5.9055 in150.000 mm

C

N/A 5.9055 in150.000 mm

Ew

N/A 22.3228 in567.000 mm

r

N/A 0.1969 in5.000 mm

da min

N/A 17.3228 in440.000 mm

db min

N/A 17.7953 in452.000 mm

Da max

N/A 22.4803 in571.000 mm

Db min

N/A 22.4803 in571.000 mm

Db max

N/A 23.6220 in600.000 mm

ras max

N/A 0.1575 in4.000 mm