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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

N/A Cylindrical Roller Bearing

Bore Type

N/A Round

Material

N/A Hardened Alloy Steel

Cage Type

N/A None

Cage Material

N/A None

Limiting Speed - Grease

N/A 1300 RPM

Precision

N/A ISO Class 0

Configuration

N/A Two

Oil Hole

N/A w/o Oil Hole

Radial Internal Clearance

N/A CN

Static Load Rating

N/A 78500 lbf350000 N350.00 kN

Dynamic Load Rating

N/A 46000 lbf205000 N205.00 kN

Enclosure

N/A Double Shielded

Weight

N/A 5.897 lb2.675 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

N/A 3.1496 in80.000 mm

D

N/A 4.9213 in125.000 mm

B

N/A 2.3622 in60.000 mm

C

N/A 2.3228 in59.000 mm

D1

N/A 4.7130 in119.710 mm

D2

N/A 5.0984 in129.500 mm

f

N/A 0.0984 in2.500 mm

p

N/A 1.7913 in45.500 mm

J

N/A 3.7992 in96.500 mm

Cf

N/A 1.8898 in48.000 mm

Cf1

N/A 1.8898 in48.000 mm

S

N/A 0.2165 in5.500 mm

E1

N/A 5.7087 in145.000 mm

t

N/A 0.0394 in1.000 mm

Angle of Chamfer

N/A 30 º

r

N/A 0.0394 in1.000 mm

da min

N/A 3.3465 in85.000 mm