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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 630 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 315000 lbf1390000 N1390.00 kN

Dynamic Load Rating

N/A 162000 lbf720000 N720.00 kN

Enclosure

N/A Double Shielded

Weight

N/A 37.038 lb16.800 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 6.2992 in160.000 mm

D

N/A 9.4488 in240.000 mm

B

N/A 4.2913 in109.000 mm

C

N/A 4.2520 in108.000 mm

D2

N/A 9.7638 in248.000 mm

f

N/A 0.1181 in3.000 mm

p

N/A 3.3858 in86.000 mm

J

N/A 7.5197 in191.000 mm

Cf

N/A 3.5039 in89.000 mm

Cf1

N/A 3.5039 in89.000 mm

S

N/A 0.3740 in9.500 mm

E1

N/A 10.8268 in275.000 mm

t

N/A 0.0787 in2.000 mm

Angle of Chamfer

N/A 30 º

r

N/A 0.0787 in2.000 mm

da min

N/A 6.5748 in167.000 mm