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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

Cylindrical Roller Bearing

Bore Type

Round

Material

Hardened Alloy Steel

Cage Type

None

Cage Material

None

Limiting Speed - Grease

330 RPM

Precision

ISO Class 0

Configuration

Two

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

1320000 lbf5850000 N5850.00 kN

Dynamic Load Rating

600000 lbf2670000 N2670.00 kN

Enclosure

Double Shielded

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Double Row Cylindrical Roller Bearing for Sheaves w/ Snap Rings - Dimensions

d

11.8110 in300.000 mm

D

18.1102 in460.000 mm

B

8.5827 in218.000 mm

C

8.5039 in216.000 mm

D2

18.8976 in480.000 mm

f

0.3150 in8.000 mm

p

6.6142 in168.000 mm

J

14.2913 in363.000 mm

Cf

6.9291 in176.000 mm

Cf1

6.9291 in176.000 mm

S

0.7874 in20.000 mm

E1

20.0787 in510.000 mm

t

0.1181 in3.000 mm

Angle of Chamfer

30 º

r

0.0984 in2.500 mm

da min

12.2047 in310.000 mm