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

Precision

ISO Class 0

Configuration

Two

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

156000 lbf695000 N695.00 kN

Dynamic Load Rating

86500 lbf385000 N385.00 kN

Enclosure

Double Sealed

Weight

15.432 lb7.000 kg

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

4.3307 in110 mm

D

6.6929 in170 mm

B

3.1496 in80 mm

C

3.1102 in79.000 mm

D1

6.4228 in163.140 mm

D2

6.9291 in176.000 mm

f

0.0984 in2.500 mm

p

2.4606 in62.500 mm

J

5.1772 in131.500 mm

Cf

2.5591 in65.000 mm

Cf1

2.5591 in65.000 mm

S

0.2756 in7.000 mm

E1

7.8740 in200.000 mm

t

0.0709 in1.800 mm

Angle of Chamfer

30 º

r

0.0591 in1.500 mm

da min

4.5866 in116.500 mm