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    The rollers in the NN type bearing are guided by the ribs of the inner ring.
Unit of Measure

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Ordering Options

N/A Contact NTN Customer Relations

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 260 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 1970000 lbf8750000 N8750.00 kN

Dynamic Load Rating

N/A 855000 lbf3800000 N3800.00 kN

Enclosure

N/A Double Shielded

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 14.9606 in380.000 mm

D

N/A 22.0472 in560.000 mm

B

N/A 9.5669 in243.000 mm

C

N/A 9.4882 in241.000 mm

D2

N/A 22.9921 in584.000 mm

f

N/A 0.3937 in10.000 mm

p

N/A 7.2441 in184.000 mm

J

N/A 17.4016 in442.000 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 24.4094 in620.000 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 15.4331 in392.000 mm