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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 310 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 1370000 lbf6100000 N6100.00 kN

Dynamic Load Rating

N/A 610000 lbf2720000 N2720.00 kN

Enclosure

N/A Double Shielded

Weight

N/A 317.465 lb144.000 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 12.5984 in320.000 mm

D

N/A 18.8976 in480.000 mm

B

N/A 8.5827 in218.000 mm

C

N/A 8.5039 in216.000 mm

D2

N/A 19.6850 in500.000 mm

f

N/A 0.3150 in8.000 mm

p

N/A 6.6142 in168.000 mm

J

N/A 14.8031 in376.000 mm

Cf

N/A 6.9291 in176.000 mm

Cf1

N/A 6.9291 in176.000 mm

S

N/A 0.7874 in20.000 mm

E1

N/A 20.8661 in530.000 mm

t

N/A 0.1181 in3.000 mm

Angle of Chamfer

N/A 30 º

r

N/A 0.0984 in2.500 mm

da min

N/A 12.9921 in330.000 mm