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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

710 RPM

Precision

ISO Class 0

Configuration

Two

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

252000 lbf1120000 N1120.00 kN

Dynamic Load Rating

135000 lbf600000 N600.00 kN

Enclosure

Double Shielded

Weight

24.912 lb11.300 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

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

d

5.5118 in140.000 mm

D

8.2677 in210.000 mm

B

3.7402 in95.000 mm

C

3.7008 in94.000 mm

D2

8.5827 in218.000 mm

f

0.1181 in3.000 mm

p

2.9134 in74.000 mm

J

6.5748 in167.000 mm

Cf

3.0315 in77.000 mm

Cf1

3.0315 in77.000 mm

S

0.3346 in8.500 mm

E1

9.6457 in245.000 mm

t

0.0709 in1.800 mm

Angle of Chamfer

30 º

r

0.0591 in1.500 mm

da min

5.7677 in146.500 mm