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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

1200 RPM

Precision

ISO Class 0

Configuration

Two

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

85500 lbf380000 N380.00 kN

Dynamic Load Rating

48000 lbf214000 N214.00 kN

Enclosure

Double Shielded

Weight

6.129 lb2.780 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

3.3465 in85.000 mm

D

5.1181 in130.000 mm

B

2.3622 in60.000 mm

C

2.3228 in59.000 mm

D1

4.9098 in124.710 mm

D2

5.2953 in134.500 mm

f

0.0984 in2.500 mm

p

1.7913 in45.500 mm

J

4.0827 in103.700 mm

Cf

1.8898 in48.000 mm

Cf1

1.8898 in48.000 mm

S

0.2165 in5.500 mm

E1

6.1024 in155.000 mm

t

0.0394 in1.000 mm

Angle of Chamfer

30 º

r

0.0394 in1.000 mm

da min

3.5433 in90.000 mm