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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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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 770 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 225000 lbf1000000 N1000.00 kN

Dynamic Load Rating

 N/A 120000 lbf535000 N535.00 kN

Enclosure

 N/A Double Shielded

Weight

 N/A 23.369 lb10.600 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 5.1181 in130.000 mm

D

 N/A 7.8740 in200.000 mm

B

 N/A 3.7402 in95.000 mm

C

 N/A 3.7008 in94.000 mm

D1

 N/A 7.6039 in193.140 mm

D2

 N/A 8.1890 in208.000 mm

f

 N/A 0.1181 in3.000 mm

p

 N/A 2.9134 in74.000 mm

J

 N/A 6.2205 in158.000 mm

Cf

 N/A 3.0315 in77.000 mm

Cf1

 N/A 3.0315 in77.000 mm

S

 N/A 0.3346 in8.500 mm

E1

 N/A 9.0551 in230.000 mm

t

 N/A 0.0709 in1.800 mm

Angle of Chamfer

 N/A 30 º

r

 N/A 0.0591 in1.500 mm

da min

 N/A 5.3740 in136.500 mm