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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

560 RPM

Precision

ISO Class 0

Configuration

Two

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

480000 lbf2140000 N2140.00 kN

Dynamic Load Rating

245000 lbf1090000 N1090.00 kN

Enclosure

Double Shielded

Weight

67.461 lb30.600 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

7.0866 in180.000 mm

D

11.0236 in280.000 mm

B

5.3543 in136.000 mm

C

5.3150 in135.000 mm

D2

11.4173 in290.000 mm

f

0.1575 in4.000 mm

p

4.1732 in106.000 mm

J

8.6614 in220.000 mm

Cf

4.3307 in110.000 mm

Cf1

4.3307 in110.000 mm

S

0.4921 in12.500 mm

E1

12.5984 in320.000 mm

t

0.0787 in2.000 mm

Angle of Chamfer

30 º

r

0.0787 in2.000 mm

da min

7.3622 in187.000 mm