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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 290 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 1800000 lbf8000000 N8000.00 kN

Dynamic Load Rating

N/A 820000 lbf3650000 N3650.00 kN

Enclosure

N/A Double Shielded

Weight

N/A 427.696 lb194.000 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 13.3858 in340.000 mm

D

N/A 20.4724 in520.000 mm

B

N/A 9.5669 in243.000 mm

C

N/A 9.4882 in241.000 mm

D2

N/A 21.4173 in544.000 mm

f

N/A 0.3150 in8.000 mm

p

N/A 7.3228 in186.000 mm

J

N/A 15.9843 in406.000 mm

Cf

N/A 7.6378 in194.000 mm

Cf1

N/A 7.6378 in194.000 mm

S

N/A 0.9252 in23.500 mm

E1

N/A 22.8346 in580.000 mm

t

N/A 0.1378 in3.500 mm

Angle of Chamfer

N/A 30 º

r

N/A 0.1181 in3.000 mm

da min

N/A 13.8583 in352.000 mm