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

121000 lbf540000 N540.00 kN

Dynamic Load Rating

68500 lbf305000 N305.00 kN

Enclosure

Double Sealed

Weight

8.325 lb3.776 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

3.5433 in90 mm

D

5.5118 in140 mm

B

2.6378 in67 mm

C

2.5984 in66.000 mm

D1

5.3039 in134.720 mm

D2

5.7480 in146.000 mm

f

0.0984 in2.500 mm

p

2.0276 in51.500 mm

J

4.3307 in110.000 mm

Cf

2.1260 in54.000 mm

Cf1

2.1260 in54.000 mm

S

0.2362 in6.000 mm

E1

6.4961 in165.000 mm

t

0.0591 in1.500 mm

Angle of Chamfer

30 º

r

0.0394 in1.000 mm

da min

3.7795 in96.000 mm