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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

1100 rpm

Precision

ISO Class 0

Configuration

Two

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

126000 lbf560000 N560.00 kN

Dynamic Load Rating

69500 lbf310000 N310.00 kN

Enclosure

Double Shielded

Weight

8.686 lb3.940 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

3.7402 in95 mm

D

5.7087 in145.000 mm

B

2.6378 in67 mm

C

2.5984 in66.000 mm

D1

5.5012 in139.730 mm

D2

5.9449 in151.000 mm

f

0.0984 in2.500 mm

p

2.0276 in51.500 mm

J

4.5039 in114.400 mm

Cf

2.1260 in54.000 mm

Cf1

2.1260 in54.000 mm

S

0.2362 in6.000 mm

E1

6.8898 in175.000 mm

t

0.0591 in1.500 mm

Angle of Chamfer

30 º

r

0.0394 in1.000 mm

da min

3.9764 in101.000 mm